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[参考译文] Linux:USB 小工具 AV 集成问题

Guru**** 2589275 points


请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/635175/linux-usb-gadget-av-integration-issue

工具/软件:Linux

USB 音频和视频可单独工作。

集成 USB 音频和视频无法工作(同时)、导致崩溃。

可能的问题:

1.内核线程调度问题。

2. EP 队列可能不够快。

3.比赛条件。  

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。
    Mahesh、

    您能提供更多详细信息吗?
    复制用例的步骤是什么?
    是否有崩溃日志?
  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。
    您好、Bin、
    复制用例的步骤。

    1.音频(输入、输出)、视频和 hid 同时都有传输到 PC 的数据流(相同的来源适用于 IMX 平台)。

    以下是崩溃日志:
    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    187.997322] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [188.004871] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [188.012993]硬件名称:通用 DRA74X (平展器件树)
    [188.019106]回溯:
    [188.021577][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [188.029177] r7:c1003238 r6:200e0193 r5:00000000 r4:c1022550
    [188.034860][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [188.042113][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [188.049537] r7:c1003238 r6:02080020 r5:00000000 r4:00000000
    [188.055218][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [188.063687] R3:02080020 R2:00000000 R1:c0ba1640
    [188.068318] R4:00000000
    [188.070858][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [188.079939] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [188.087797] R4:eed39204
    [188.090341][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [188.098986] r7:ee37d210 R6:00000700 R5:ee05c000 R4:eed39204
    [188.104670][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [188.113140] R9:00010000 R8:00000442 r7:ee37d210 R6:c006cb40 R5:ee3b30d0 R4:ee05c000
    [188.120913][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [188.129209] R8:00000442 r7:c006cb40 R6:ee2eced0 R5:ee3b30d0 R4:fa486b00
    [188.135936][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [188.144843] R10:00000442 R9:48486b00 R8:ee3b30f0 r7:ee2eced0 R6:fa486b00 R5:00010000
    [188.152701] R4:ee3b30d0
    [188.155241][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [188.164061] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [188.171918] R4:00000000
    [188.174459][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [188.182580] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [188.188264][ ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [188.196124] R9:c1002d00 R8:ffffd441 r7:0000012c R6:00000040 R5:c06a69c4 R4:ee37d238
    [188.203901][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [188.211761] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [188.219619] R4:00000000
    [188.222161][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [188.229498] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [188.237356] R4:c0e5cd88
    [188.239898][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [188.247759][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [188.256143] R9:ee054000 R8:fa213000 r7:fa212000 r6:ee055c48 r5:fa21200c r4:c100342c
    [188.263915][ ](GIC_Handle_IRQ)、来自[ ](_IRQ_Svc+0x58/0x8c)
    [188.271426]异常堆栈(0xee055c48至0xee055c90)
    [188.276495] 5c40:c1002f40 00000000 1d131d12 1d121d12 ee788000 ee788050
    [188.284702] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee055ca4 ee055ca8 ee055c98
    [188.2910] 5c80:c034697c c08c6c64 600e0113 ffff
    [188.29797979] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffff R5:600e0113 R4:c08c6c64
    [188.305755][ ](_raW_SPIN_LOCK)从[ ](__remove_inode_hash+0x20/0x68)
    [188.314139][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [188.321823] R5:fffff000 R4:ee788000
    [188.325410][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [188.3318741] r7:c0a124c0 R6:ee788050 R5:ee788000 R4:ede79000
    [188.33755][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [188.345154] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [188.350836][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [188.359218] R5:ee712198 R4:ee6e9e0
    [188.362806][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [188.371188] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [188.376870][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [188.385253] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [188.39311] R4:ee055d88
    [188.395654][ ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [188.404036] R5:ede792f0 R4:ee055e18
    [188.407625][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [188.416270] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [188.424127] R4:000009eb
    [188.426670][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [188.434704] R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [188.442561] R4:ee055f00
    [188.445104][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [188.452705][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [188.459866] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [188.467724] R4:c104be00
    [188.470268][ ](kswapd)从[ ](kthread+0x100/0x118)
    [188.477081] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [188.484939] R4:00000000
    [188.487481][ ](kthread)、来自[ ](RET_FANK_F叉+0x14/0x2C)
    [188.494730] R8:00000000 r7:00000000 R6:00000000 R5:c024a318 R4:eebfdb00
    [188.501455]内存信息:
    [188.503739] active_anon:3172 inactive_anon:2608 isoled_anon:0
    [188.503739] active_file:3729 inactive_file:15999 isoled_file:0
    [188.503739]不可发件人:0脏:0写回:0不稳定:0
    [188.503739] slab_reimalable:5435 slab_unreimalable:11139
    [188.503739]映射:4457 shmem:2964可传递:131跳出:0
    [188.503739]免费:315780 FREE_PCP:550 FREE_CMA:19060
    [188.537334]节点0 active_anon:12688kB inactive_anon:10432kB active_file:14916kB inactive_file:63996kB unevicable:0KB isolated (anon):0KB isolated (file):0KB Mapped:17
    828KB 脏污:0KB 写回:0KB shmm:11856KB 写回_tmp:0KB 不稳定:0KB 页扫描:0 all_unreimable? 否
    [188.562029]无 DMA:54032kB 最小值:2504kB 低电平:3128kB 高电平:3752kB ACTIVE_ANON:0kB INACTIVE_ANON:1920kB ACTIVE_FILE:2428kB INACTIVE_FILE:2536kB unevicable:0kB writependi
    NG:0KB Present:589824kB managed:558500kB mlocked:0KB slab_relaimable:21740kB slab_unreimclable:44556kB kernel_stack:1200kB pagetables:0KB bounced:0KB FREE_PCP:1120kB lo
    CAL_PCP:748kB FREE_CMA:53152kB
    [188.594305] lowmem_reserve[]:0 1253 1253
    [188.598537]无 HIGHMEM:1209088kB 最小值:512KB 低电平:2556kB 高电平:4600kB ACTIVE_ANON:12688kB INACTIVE_ANON:8512kB ACTIVE_FILE:12500kB INACTIVE_FILE:61524kB unevicable:0kB
    写入结束:0KB 存在:1307648kB 受管:1307648kB 锁定:0KB slab_reimcling:0KB slab_unreimclable:0KB kernel_stack:0KB pagetables:524kB 回弹:0KB free_pcp:1080k
    b LOCAL _PCP:412kB FREE_CMA:23088kB
    [188.631161] lowmem_reserve[]:0 0 0 0
    [188.634863] DMA:8*4KB (C) 4*8KB (EU)53*16KB (U) 4*32KB (C) 4*64KB (C) 4*128KB (C) 0*256KB 4*256KB 4512KB (C) 11024KB (C) 22048KB (C) 11*96KB (C) 54032KB =40KB (C)
    [188.648790] HIGHMMEM:150*4KB (UMC) 45*8KB (UMC) 28*16KB (UMC) 20*32KB (UMC) 10*64KB (UMC) 5*128KB (UMC) 6295KB 256KB (UMC) 2*512KB (UMC) 5*1024KB (UMC) 5*4096KB (UMC) uC (2604KB (UMC)
    KB (UMC)= 1209088kB
    22683总页缓存页数
    [188.668143] 0页交换高速缓存
    [188.671466]交换高速缓存统计信息:添加0,删除0,查找0/0
    [188.676707]自由交换= 0KB
    [188.679593]总交换= 0KB
    [188.682479] 474368页 RAM
    [188.685365] 326912页 HICHMEM/MovableOnly
    [188.689646]7831页保留
    [188.692793] 47104页 CMA 保留
    [188.696426] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [188.703957] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [188.712078]硬件名称:通用 DRA74X (平展器件树)
    [188.718191]回溯:
    [188.720654][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [188.728251] r7:c1003238 R6:200e0193 R5:00000000 R4:c1022550
    [188.733932][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [188.741183][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [188.748607] r7:c1003238 r6:02080020 r5:00000000 r4:00000000
    [188.754286][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [188.762756] R3:02080020 R2:00000000 R1:c0ba1640
    [188.767388] R4:00000000
    [188.769928][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [188.779009] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [188.786866] R4:eed39204
    [188.789408][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [188.798052] r7:ee37d210 R6:00000700 R5:ee05c000 R4:eed39204
    [188.803734][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [188.812204] R9:00010000 R8:000002c2 r7:ee37d210 R6:c006cc00 R5:ee3b30d0 R4:ee05c000
    [188.819977][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [188.828272] R8:000002c2 r7:c006cc00 r6:ee2eced0 r5:ee3b30d0 r4:fa486aa0
    [188.83499][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [188.843904] R10:000002c2 R9:48486aa0 R8:ee3b30f0 r7:ee2eced0 R6:fa486aa0 R5:00010000
    [188.851761] R4:ee3b30d0
    [188.854301][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [188.863121] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [188.870978] R4:00000001
    [188.873519][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [188.881640] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [188.887322][ ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [188.895182] R9:c1002d00 R8:ffd441 r7:0000012c R6:00000040 R5:c06a69c4 R4:ee37d238
    [188.902958][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [188.910818] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [188.918675] R4:00000000
    [188.921216][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [188.928553] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [188.936412] R4:c0e5cd88
    [188.938953][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [188.946812][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [188.955196] R9:ee054000 R8:fa213000 r7:fa212000 r6:ee055c48 r5:fa21200c r4:c100342c
    [188.962968][ ](GIC_Handle_IRQ)、来自[ ](_IRQ_Svc+0x58/0x8c)
    [188.970477]异常堆栈(0xee055c48至0xee055c90)
    [188.975545] 5c40:c1002f40 00000000 1d131d12 1d121d12 ee788000 ee788050
    [188.983753] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee055ca4 ee055ca8 ee055c98
    [188.991961] 5c80:c034697c c08c6c64 600e0113 ffff
    [188.997031] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffff R5:600e0113 R4:c08c6c64
    [189.004805][ ](_raW_SPIN_LOCK)从[ ](__remove_inode_hash+0x20/0x68)
    [189.013189][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [189.020873] R5:fffff000 R4:ee788000
    [189.024460][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [189.030924] r7:c0a124c0 R6:ee788050 R5:ee788000 R4:ede79000
    [189.036606][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [189.044204] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [189.049885][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [189.058267] R5:ee712198 R4:ee6e9ee0
    [189.061856][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [189.070239] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [189.075921][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [189.084304] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [189.092161] R4:ee055d88
    [189.094704][ ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [189.103085] R5:ede792f0 R4:ee055e18
    [189.106675][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [189.115320] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [189.123178] R4:000009eb
    [189.125721][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [189.133754] R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [189.141612] R4:ee055f00
    [189.144154][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [189.151755][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [189.158918] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [189.166775] R4:c104be00
    [189.169317][ ](kswapd)从[ ](kthread+0x100/0x118)
    [189.176130] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [189.183988] R4:00000000
    [189.186529][ ](kthread)、来自[ ](RET_FANK_F叉+0x14/0x2C)
    [189.193778] R8:00000000 r7:00000000 R6:00000000 R5:c024a318 R4:eebfdb00
    [189.200501]内存信息:
    [189.202783] active_anon:3172 inactive_anon:2608 isoled_anon:0
    [189.202783] active_file:3729 inactive_file:15999 isoled_file:0
    [189.202783]不可避免:0脏:0写回:0不稳定:0
    [189.202783] slab_reimalable:5435 slab_unreimalable:11139
    [189.202783]映射:4457 shmem:2964可传递:131跳出:0
    [189.202783]免费:315780 FREE_PCP:565 FREE_CMA:19060
    [189.236376]节点0 ACTIVE_ANON:12688kB INACTIVE_ANON:10432kB ACTIVE_FILE:14916kB INACTIVE_FILE:63996kB UNevicable:0KB Isolated (ANON):0KB Isolated (file):0KB MAPPED:17
    828KB 脏污:0KB 写回:0KB shmm:11856KB 写回_tmp:0KB 不稳定:0KB 页扫描:0 all_unreimable? 否
    [189.261070]无 DMA:54032kB 最小值:2504kB 低电平:3128kB 高电平:3752kB ACTIVE_ANON:0kB INACTIVE_ANON:1920kB ACTIVE_FILE:2428kB INACTIVE_FILE:2536kB unevicable:0kB writependi
    NG:0KB Present:589824kB managed:558500kB mlocked:0KB slab_relaimable:21740kB slab_unreimclable:44556kB kernel_stack:1200kB pagetables:0KB bounced:0KB FREE_PCP:1120kB lo
    CAL_PCP:748kB FREE_CMA:53152kB
    [189.293346] lowmem_reserve[]:0 1253 1253
    [189.297578]不含 HIGHMEM:1209088kB 最小值:512KB 低电平:2556kB 高电平:4600kB ACTIVE_ANON:12688kB INACTIVE_ANON:8512kB ACTIVE_FILE:12500kB INACTIVE_FILE:61524kB unevicable:0kB
    写入结束:0KB 存在:1307648kB 受管:1307648kB 锁定:0KB slab_reimlaunable:0KB slab_unreimlaunable:0KB kernel_stack:0KB pagetables:524kB 退回:0KB free_pcp:1140k
    b LOCAL _PCP:412kB FREE_CMA:23088kB
    [189.330203] lowmem_reserve[]:0 0 0 0
    [189.333904] DMA:8*4KB (C) 4*8KB (EU)53*16KB (U)4*32KB (C) 4*64KB (C) 4*128KB (C) 0*256KB 4*256KB 4512KB (C) 11024KB (C) 22048KB (C) 11*96KB (C) 54032KB =40KB (C)
    [189.347830] HIGHMMEM:150*4KB (UMC) 45*8KB (UMC) 28*16KB (UMC) 20*32KB (UMC) 10*64KB (UMC) 5*128KB (UMC) 6 290*256KB (UMC) 2*512KB (UMC) 5*1024KB (UMC) 5*4096KB (UMC)
    KB (UMC)= 1209088kB
    22683总页缓存页数
    [189.367182] 0页交换高速缓存
    [189.370504]交换高速缓存统计信息:添加0,删除0,查找0/0
    [189.375745]自由交换= 0KB
    [189.378631]总交换= 0KB
    [189.381517] 474368页 RAM
    [189.384403] 326912页 HICHMEM/MovableOnly
    [189.388684] 7831页保留
    [189.391832] 47104页 CMA 保留
    [189.395457] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [189.402986] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [189.411105]硬件名称:通用 DRA74X (平展器件树)
    [189.417219]背迹:
    [189.419680][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [189.427278] r7:c1003238 r6:200e0193 r5:00000000 r4:c1022550
    [189.432959][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [189.440209][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [189.447633] r7:c1003238 r6:02080020 r5:00000000 r4:00000000
    [189.453313][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [189.461782] r3:02080020 r2:00000000 r1:c0ba1640
    [189.466413] R4:00000000
    [189.468953][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [189.478034] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [189.485891] R4:eed39204
    [189.488433][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [189.497076] r7:ee37d210 R6:00000700 R5:ee05c000 R4:eed39204
    [189.502757][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [189.511227] R9:00010000 R8:00000442 r7:ee37d210 R6:c006ccc0 R5:ee3b30d0 R4:ee05c000
    [189.519001][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [189.527297] R8:00000442 r7:c006ccc0 r6:ee2eced0 r5:ee3b30d0 r4:fa486ae0
    [189.534023][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [189.542928] R10:00000442 R9:48486ae0 R8:ee3b30f0 r7:ee2eced0 R6:fa486ae0 R5:00010000
    [189.550785] R4:ee3b30d0
    [189.553325][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [189.562144] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [189.570001] R4:00000002
    [189.572540][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [189.580660] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [189.586340][ ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [189.594199] R9:c1002d00 R8:ffffd441 r7:0000012c R6:00000040 R5:c06a69c4 R4:ee37d238
    [189.601975][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [189.609835] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [189.617693] R4:00000000
    [189.620234][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [189.627570] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [189.635427] R4:c0e5cd88
    [189.637968][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [189.645829][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [189.654212] R9:ee054000 R8:fa213000 r7:fa212000 r6:ee055c48 r5:fa21200c r4:c100342c
    [189.661985][ ](GIC_Handle_IRQ)、来自[ ](_IRQ_Svc+0x58/0x8c)
    [189.669494]异常堆栈(0xee055c48至0xee055c90)
    [189.674562] 5c40:c1002f40 00000000 1d131d12 1d121d12 ee788000 ee788050
    [189.682770] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee055ca4 ee055ca8 ee055c98
    [189.690977] 5c80:c034697c c08c6c64 600e0113 ffff
    [189.696046] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffff R5:600e0113 R4:c08c6c64
    [189.703819][ ](_raW_SPIN_LOCK)从[ ](__remove_inode_hash+0x20/0x68)
    [189.712204][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [189.719887] R5:fff000 R4:ee788000
    [189.723474][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [189.729937] r7:c0a124c0 R6:ee788050 R5:ee788000 R4:ede79000
    [189.735617][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [189.743214] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [189.748895][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [189.757277] R5:ee712198 R4:ee6e9ee0
    [189.760864][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [189.769247] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [189.774928][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [189.783312] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [189.791169] R4:ee055d88
    [189.793711] ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [189.802092] R5:ede792f0 R4:ee055e18
    [189.805680][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [189.814325] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [189.822183] R4:000009eb
    [189.824725][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [189.832758(XXVI) R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [189.840617] R4:ee055f00
    [189.843159][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [189.850759][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [189.857921] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [189.865778] R4:c104be00
    [189.868320][ ](kswapd)从[ ](kthread+0x100/0x118)
    [189.875133] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [189.882991] R4:00000000
    [189.885532][ ](kthread)、来自[ ](RET_FANK_F叉+0x14/0x2C)
    [189.892780] R8:00000000 r7:00000000 R6:00000000 R5:c024a318 R4:eebfdb00
    [189.899504]内存信息:
    [189.901786] active_anon:3172 inactive_anon:2608 isoled_anon:0
    [189.901786] active_file:3729 inactive_file:15999 isoled_file:0
    [189.901786]不可避免:0脏:0写回:0不稳定:0
    [189.901786] slab_reimalable:5435 slab_unreimalable:11139
    [189.901786]映射:4457 shmem:2964可传递:131跳出:0
    [189.901786]免费:315780 FREE_PCP:565 FREE_CMA:19060
    [189.935379]节点0 active_anon:12688kB inactive_anon:10432kB active_file:14916kB inactive_file:63996kB unevicable:0KB isolated (anon):0KB isolated (file):0KB Mapped:17
    828KB 脏污:0KB 写回:0KB shmm:11856KB 写回_tmp:0KB 不稳定:0KB 页扫描:0 all_unreimable? 否
    [189.960073]无 DMA:54032kB 最小值:2504kB 低电平:3128kB 高电平:3752kB ACTIVE_ANON:0kB INACTIVE_ANON:1920kB ACTIVE_FILE:2428kB INACTIVE_FILE:2536kB unevicable:0kB writependi
    NG:0KB Present:589824kB managed:558500kB mlocked:0KB slab_relaimable:21740kB slab_unreimclable:44556kB kernel_stack:1200kB pagetables:0KB bounced:0KB FREE_PCP:1120kB lo
    CAL_PCP:748kB FREE_CMA:53152kB
    [189.992349] lowmem_reserve[]:0 1253 1253
    [189.996581]不含 HIGHMEM:1209088kB 最小值:512KB 低电平:2556kB 高电平:4600kB ACTIVE_ANON:12688kB ACTIVE_ANON:8512kB ACTIVE_FILE:12500kB INACTIVE_FILE:61524kB unevicable:0kB
    写入结束:0KB 存在:1307648kB 受管:1307648kB 锁定:0KB slab_reimlaunable:0KB slab_unreimlaunable:0KB kernel_stack:0KB pagetables:524kB 退回:0KB free_pcp:1140k
    b LOCAL _PCP:412kB FREE_CMA:23088kB
    [190.029206] lowmem_reserve[]:0 0 0 0
    [190.0322905] DMA:8*4KB (C) 4*8KB (EU)53*16KB (U)4*32KB (C) 4*64KB (C) 4*128KB (C) 0*256KB 4512KB (C) 11024KB (C) 22048KB (C) 11*96KB (C) 4064KB (C)
    [190.046832] HIGHMEM:150*4KB (UMC) 45*8KB (UMC) 28*16KB (UMC) 20*32KB (UMC) 10*64KB (UMC) 5*128KB (UMC) 6 290*256KB (UMC) 2*512KB (UMC) 5*1024KB (UMC) 5*4096KB (UMC) 5*128KB (UMC) 5*128KB (UMC) uC 256KB (UMC)
    KB (UMC)= 1209088kB
    22683总页缓存页数
    [190.066183] 0页交换高速缓存
    [190.069505]交换高速缓存统计信息:添加0,删除0,查找0/0
    [190.074746]自由交换= 0KB
    [190.077631]总交换= 0KB
    [190.080517] 474368页 RAM
    [190.083404] 326912页 HICHMEM/MovableOnly
    [190.087684] 7831页保留
    [190.090832] 47104页 CMA 保留
    [190.094438] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [190.101963] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [190.110082]硬件名称:通用 DRA74X (平展器件树)
    [190.116196]回溯:
    [190.118657][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [190.126255] r7:c1003238 R6:200e0193 R5:00000000 R4:c1022550
    [190.131936][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [190.139185][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [190.146609] r7:c1003238 R6:02080020 R5:00000000 R4:00000000
    [190.152289][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [190.160758] R3:02080020 R2:00000000 R1:c0ba1640
    [190.165390] R4:00000000
    [190.167930][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [190.177011] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [190.184868] R4:eed39204
    [190.187409][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [190.196054] r7:ee37d210 R6:00000700 R5:ee05c000 R4:eed39204
    [190.201735][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [190.210206] R9:00010000 R8:00000442 r7:ee37d210 R6:c006cd80 R5:ee3b30d0 R4:ee05c000
    [190.217980][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [190.226275] R8:00000442 r7:c006cd80 R6:ee2eced0 R5:ee3b30d0 R4:fa486b20
    [190.233002][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [190.241908] R10:00000442 R9:48486b20 R8:ee3b30f0 r7:ee2eced0 R6:fa486b20 R5:00010000
    [190.249766] R4:ee3b30d0
    [190.252306][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [190.261125] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [190.26893] R4:00000003
    [190.271523][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [190.279644] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [190.285326][ ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [190.293185] R9:c1002d00 R8:ffd441 r7:0000012c R6:00000040 R5:c06a69c4 R4:ee37d238
    [190.300960][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [190.308819] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [190.316676] R4:00000000
    [190.319217][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [190.326553] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [190.334411] R4:c0e5cd88
    [190.336952][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [190.344812][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [190.353194] R9:ee054000 R8:fa213000 r7:fa212000 R6:ee055c48 R5:fa21200c R4:c100342c
    [190.360967][ ](GIC_Handle_IRQ)、来自[ ](_IRQ_Svc+0x58/0x8c)
    [190.36876]异常堆栈(0xee055c48至0xee055c90)
    [190.373544] 5c40:c1002f40 00000000 1d131d12 1d121d12 ee788000 ee788050
    [190.381752] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee055ca4 ee055ca8 ee055c98
    [190.389960 ] 5c80:c034697c c08c6c64 600e0113 ffff
    [190.395029] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffff R5:600e0113 R4:c08c6c64
    [190.402802][ ](_raW_SPIN_LOCK)从[ ](__remove_inode_hash+0x20/0x68)
    [190.411186][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [190.418871] R5:fffff000 R4:ee788000
    [190.422458][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [190.428921] r7:c0a124c0 R6:ee788050 R5:ee788000 R4:ede79000
    [190.434603][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [190.442200] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [190.447881][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [190.456263] R5:ee712198 R4:ee6e9ee0
    [190.459852][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [190.468234] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [190.473916][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [190.482299] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [190.490156] R4:ee055d88
    [190.492699][ ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [190.501080] R5:ede792f0 R4:ee055e18
    [190.504669][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [190.513314] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [190.521173] R4:000009eb
    [190.523715][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [190.531748] R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [190.539605] R4:ee055f00
    [190.542147][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [190.549748][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [190.556910] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [190.564768] R4:c104be00
    [190.567310][ ](kswapd)从[ ](kthread+0x100/0x118)
    [190.574124] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [190.581982] R4:00000000
    [190.584524][ ](kthread)、来自[ ](RET_FANK_F叉+0x14/0x2C)
    [190.591772] R8:00000000 r7:00000000 R6:00000000 R5:c024a318 R4:eebfdb00
    [190.598495]内存信息:
    [190.600775] ACTIVE_ANON:3172 INACTIVE_ANON:2608 Isolated _ANON:0
    [190.600775] active_file:3729 inactive_file:15999 isoled_file:0
    [190.600775]不可避免:0脏:0写回:0不稳定:0
    [190.600775] slab_reimalable:5435 slab_unreimalable:11139
    [190.600775]映射:4457 shmem:2964可传递:131跳出:0
    [190.600775]免费:315780 FREE_PCP:565 FREE_CMA:19060
    [190.634368]节点0 active_anon:12688kB inactive_anon:10432kB active_file:14916kB inactive_file:63996kB unevicable:0KB isolated (anon):0KB isolated (file):0KB Mapped:17
    828KB 脏污:0KB 写回:0KB shmm:11856KB 写回_tmp:0KB 不稳定:0KB 页扫描:0 all_unreimable? 否
    [190.659063]无 DMA:54032kB 最小值:2504kB 低电平:3128kB 高电平:3752kB ACTIVE_ANON:0kB INACTIVE_ANON:1920kB ACTIVE_FILE:2428kB INACTIVE_FILE:2536kB unevicable:0kB writependi
    NG:0KB Present:589824kB managed:558500kB mlocked:0KB slab_relaimable:21740kB slab_unreimclable:44556kB kernel_stack:1200kB pagetables:0KB bounced:0KB FREE_PCP:1120kB lo
    CAL_PCP:748kB FREE_CMA:53152kB
    [190.691339] lowmem_reserve[]:0 1253 1253
    [190.695570]无 HIGHMEM:1209088kB 最小值:512KB 低电平:2556kB 高电平:4600kB ACTIVE_ANON:12688kB ACTIVE_ANON:8512kB ACTIVE_FILE:12500kB INACTIVE_FILE:61524kB unevicable:0kB
    写入结束:0KB 存在:1307648kB 受管:1307648kB 锁定:0KB slab_reimlaunable:0KB slab_unreimlaunable:0KB kernel_stack:0KB pagetables:524kB 退回:0KB free_pcp:1140k
    b LOCAL _PCP:412kB FREE_CMA:23088kB
    [190.728194] lowmem_reserve[]:0 0 0 0
    [190.731896] DMA:8*4KB (C) 4*8KB (EU)53*16KB (U)4*32KB (C) 4*64KB (C) 4*128KB (C) 0*256KB 4512KB (C) 11024KB (C) 22048KB (C) 11*96KB (C) 54032KB =40KB (C)
    [190.745822] HIGHMEM:150*4KB (UMC) 45*8KB (UMC) 28*16KB (UMC) 20*32KB (UMC) 10*64KB (UMC) 5*128KB (UMC) 6 290*256KB (UMC) 2*512KB (UMC) 5*1024KB (UMC) 5*4096KB (UMC)
    KB (UMC)= 1209088kB
    22683总页缓存页数
    [190.765173] 0页交换高速缓存
    [190.768496]交换高速缓存统计信息:添加0,删除0,查找0/0
    [190.773736]自由交换= 0KB
    [190.776623]总交换= 0KB
    [190.779509] 474368页 RAM
    [190.782395] 326912页 HICHMEM/MovableOnly
    [190.786677] 7831页保留
    [190.789824] 47104页 CMA 保留
    [190.793430] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [190.800956] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [190.809076]硬件名称:通用 DRA74X (平展器件树)
    [190.815188]回溯:
    [190.817650][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [190.825248] r7:c1003238 r6:200e0193 r5:00000000 r4:c1022550
    [190.830927][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [190.838177][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [190.845601] r7:c1003238 r6:02080020 r5:00000000 r4:00000000
    [190.851280][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [190.859749] R3:02080020 R2:00000000 R1:c0ba1640
    [190.864380] R4:00000000
    [190.866920][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [190.876001] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [190.883858] R4:eed39204
    [190.886400][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [190.895043] r7:ee37d210 R6:00000700 R5:ee05c000 R4:eed39204
    [190.900724][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [190.909195] R9:00010000 R8:000002c2 r7:ee37d210 R6:c006ce40 R5:ee3b30d0 R4:ee05c000
    [190.916968][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [190.925263] R8:000002c2 r7:c006ce40 R6:ee2eced0 R5:ee3b30d0 R4:fa486b40
    [190.931989][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [190.940895] R10:000002c2 R9:48486b40 R8:ee3b30f0 r7:ee2eced0 R6:fa486b40 R5:00010000
    [190.948753] R4:ee3b30d0
    [190.951293][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [190.960112] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [190.967969] R4:00000004
    [190.970509][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [190.978630] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [190.984311] ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [190.992170] R9:c1002d00 R8:ffd441 r7:0000012c R6:00000040 R5:c06a69c4 R4:ee37d238
    [190.999944][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [191.007803] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [191.015660] R4:00000000
    [191.018201][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [191.025537] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [191.033394] R4:c0e5cd88
    [191.035934][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [191.043794][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [191.052177] R9:ee054000 R8:fa213000 r7:fa212000 R6:ee055c48 R5:fa21200c R4:c100342c
    [191.059949][ ](GIC_Handle_IRQ)、来自[ ](_IRQ_Svc+0x58/0x8c)
    [191.067459]异常堆栈(0xee055c48至0xee055c90)
    [191.072527] 5c40:c1002f40 00000000 1d131d12 1d121d12 ee788000 ee788050
    [191.080735] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee055ca4 e055ca8 ee055c98
    [191.088942] 5c80:c034697c c08c6c64 600e0113 ffff
    [191.094011] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffff R5:600e0113 R4:c08c6c64
    [191.101785][ ](_raW_SPIN_LOCK)从[ ](__remove_inode_hash+0x20/0x68)
    [191.110168][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [191.117852] R5:fff000 R4:ee788000
    [191.121439][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [191.127902] r7:c0a124c0 R6:ee788050 R5:ee788000 R4:ede79000
    [191.133583][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [191.141180] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [191.146861][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [191.155242] R5:ee712198 R4:ee6e9ee0
    [191.158830][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [191.167212] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [191.172894][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [191.181277] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [191.189134] R4:ee055d88
    [191.191676][ ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [191.200058] R5:ede792f0 R4:ee055e18
    [191.203646][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [191.212290] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [191.220148] R4:000009eb
    [191.222690][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [191.230724] R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [191.238581] R4:ee055f00
    [191.241123][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [191.248722][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [191.255883] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [191.263740] R4:c104be00
    [191.266281][ ](kswapd)从[ ](kthread+0x100/0x118)
    [191.273093] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [191.280951] R4:00000000
    [191.283492][ ](kthread)、来自[ ](RET_FANK_F叉+0x14/0x2C)
    [191.290741] R8:00000000 r7:00000000 R6:00000000 R5:c024a318 R4:eebfdb00
    [191.297464]内存信息:
    [191.299745] active_anon:3172 inactive_anon:2608 isoled_anon:0
    [191.299745] active_file:3729 inactive_file:15999 isoled_file:0
    [191.299745]不可避免:0脏:0写回:0不稳定:0
    [191.299745] slab_reimalable:5435 slab_unreimalable:11139
    [191.299745]映射:4457 shmem:2964可传递:131跳出:0
    [191.299745]免费:315780 FREE_PCP:565 FREE_CMA:19060
    [191.3337]节点0 active_anon:12688kB inactive_anon:10432kB active_file:14916kB inactive_file:63996kB unevicable:0KB isolated (anon):0KB isolated (file):0KB Mapped:17
    828KB 脏污:0KB 写回:0KB shmm:11856KB 写回_tmp:0KB 不稳定:0KB 页扫描:0 all_unreimable? 否
    [191.358031]无 DMA:54032kB 最小值:2504kB 低电平:3128kB 高电平:3752kB ACTIVE_ANON:0kB INACTIVE_ANON:1920kB ACTIVE_FILE:2428kB INACTIVE_FILE:2536kB unevicable:0kB writependi
    NG:0KB Present:589824kB managed:558500kB mlocked:0KB slab_relaimable:21740kB slab_unreimclable:44556kB kernel_stack:1200kB pagetables:0KB bounced:0KB FREE_PCP:1120kB lo
    CAL_PCP:748kB FREE_CMA:53152kB
    [191.390307] lowmem_reserve[]:0 1253 1253
    [191.394539]不含 HIGHMEM:1209088kB 最小值:512KB 低电平:2556kB 高电平:4600kB ACTIVE_ANON:12688kB ACTIVE_ANON:8512kB ACTIVE_FILE:12500kB INACTIVE_FILE:61524kB unevicable:0kB
    写入结束:0KB 存在:1307648kB 受管:1307648kB 锁定:0KB slab_reimlaunable:0KB slab_unreimlaunable:0KB kernel_stack:0KB pagetables:524kB 退回:0KB free_pcp:1140k
    b LOCAL _PCP:412kB FREE_CMA:23088kB
    [191.427164] lowmem_reserve[]:0 0 0 0
    [191.430864] DMA:8*4KB (C) 4*8KB (EU)53*16KB (U)4*32KB (C) 4*64KB (C) 4*128KB (C) 0*256KB 4512KB (C) 1*1024KB (C) 2*2048KB (C) 114096KB (C) 54032KB =54032KB (C)
    [191.444791] HIGHMMEM:150*4KB (UMC) 45*8KB (UMC) 28*16KB (UMC) 20*32KB (UMC) 10*64KB (UMC) 5*128KB (UMC) 6 290 256KB (UMC) 2*512KB (UC) 5*1024KB (UMC) 5*4096KB (UMC)
    KB (UMC)= 1209088kB
    22683总页缓存页数
    [191.464141]交换高速缓存中的页数为0
    [191.467465]交换高速缓存统计信息:添加0,删除0,查找0/0
    [191.472706]自由交换= 0KB
    [191.475592]总交换时间= 0KB
    [191.478477] 474368页 RAM
    [191.481364] 326912页 HICHMEM/MovableOnly
    [191.485645] 7831页保留
    [191.488793] 47104页 CMA 保留
    [191.492398] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [191.499924] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [191.508045]硬件名称:通用 DRA74X (平展器件树)
    [191.514156]回溯:
    [191.516617][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [191.524215] r7:c1003238 R6:200e0193 R5:00000000 R4:c1022550
    [191.529894][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [191.537145][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [191.544567] r7:c1003238 r6:02080020 r5:00000000 r4:00000000
    [191.550247][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [191.558717] R3:02080020 R2:00000000 R1:c0ba1640
    [191.563348] R4:00000000
    [191.565888][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [191.574969] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [191.582826] R4:eed39204
    [191.585367][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [191.594011] r7:ee37d210 R6:00000700 R5:ee05c000 R4:eed39204
    [191.599693][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [191.608163] R9:00010000 R8:00000442 r7:ee37d210 R6:c006cf00 R5:ee3b30d0 R4:ee05c000
    [191.615936][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [191.624231] R8:00000442 r7:c006cf00 R6:ee2eced0 R5:ee3b30d0 R4:fa486b60
    [191.630957][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [191.639863] R10:00000442 R9:48486b60 R8:ee3b30f0 r7:ee2eced0 R6:fa486b60 R5:00010000
    [191.647720] R4:ee3b30d0
    [191.650260][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [191.659078] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [191.666936] R4:00000005
    [191.669477][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [191.677596] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [191.683278][ ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [191.691137] R9:c1002d00 R8:ffffd441 r7:0000012c R6:00000040 R5:c06a69c4 R4:ee37d238
    [191.698912][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [191.706772] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [191.714630] R4:00000000
    [191.717170][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [191.724507] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [191.732365] R4:c0e5cd88
    [191.734905][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [191.742766][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [191.751150] R9:ee054000 R8:fa213000 r7:fa212000 r6:ee055c48 r5:fa21200c r4:c100342c
    [191.758923][ ](GIC_Handle_IRQ)、来自[ ](_IRQ_Svc+0x58/0x8c)
    [191.766432]异常堆栈(0xee055c48至0xee055c90)
    [191.771500] 5c40:c1002f40 00000000 1d131d12 1d121d12 ee788000 ee788050
    [191.779709] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee055ca4 ee055ca8 ee055c98
    [191.787917] 5c80:c034697c c08c6c64 600e0113 ffff
    [191.792985] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffff R5:600e0113 R4:c08c6c64
    [191.800759][ ](_raW_SPIN_LOCK)从[ ](__remove_inode_hash+0x20/0x68)
    [191.809143][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [191.816827] R5:fffff000 R4:ee788000
    [191.820413][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [191.826877] r7:c0a124c0 r6:ee788050 r5:ee788000 r4:ede79000
    [191.832557][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [191.840155] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [191.845836][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [191.854217] R5:ee712198 R4:ee6e9ee0
    [191.857805][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [191.866188] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [191.871869][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [191.880253] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [191.888110] R4:ee055d88
    [191.890652][ ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [191.899033] R5:ede792f0 R4:ee055e18
    [191.902621][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [191.911267 ] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [191.919124] R4:000009eb
    [191.921666][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [191.929700] R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [191.937558] R4:ee055f00
    [191.940099][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [191.947700][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [191.954863] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [191.962720] R4:c104be00
    [191.965262][ ](kswapd)从[ ](kthread+0x100/0x118)
    [191.972075] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [191.979933] R4:00000000
    [191.982473][ ](kthread)、来自[ ](RET_FANK_F叉+0x14/0x2C)
    [191.989723] R8:00000000 r7:00000000 R6:00000000 R5:c024a318 R4:eebfdb00
    [191.996446]内存信息:
    [191.998727] ACTIVE_ANON:3172 INACTIVE_ANON:2608 Isolated _ANON:0
    [191.998727] active_file:3729 inactive_file:15999 isoled_file:0
    [191.998727]不可避免:0脏:0写回:0不稳定:0
    [191.998727] slab_reimalable:5435 slab_unreimalable:11139
    [191.998727]映射:4457 shmem:2964可传递:131跳出:0
    [191.998727]免费:315780 FREE_PCP:565 FREE_CMA:19060
    [ 192.032320]节点0 active_anon:12688kB inactive_anon:10432kB active_file:14916kB inactive_file:63996kB unevicable:0KB isolated (anon):0KB isolated (file):0KB MAPPED:17
    828KB 脏污:0KB 写回:0KB shmm:11856KB 写回_tmp:0KB 不稳定:0KB 页扫描:0 all_unreimable? 否
    [ 192.057014]无 DMA:54032kB 最小值:2504kB 低电平:3128kB 高电平:3752kB ACTIVE_ANON:0kB INACTIVE_ANON:1920kB ACTIVE_FILE:2428kB INACTIVE_FILE:2536kB Unevictable:0kB writependi
    NG:0KB Present:589824kB managed:558500kB mlocked:0KB slab_relaimable:21740kB slab_unreimclable:44556kB kernel_stack:1200kB pagetables:0KB bounced:0KB FREE_PCP:1120kB lo
    CAL_PCP:748kB FREE_CMA:53152kB
    [192.089290] lowmem_reserve[]:0 1253 1253
    [ 192.093521]无 HIGHMEM:1209088kB 最小值:512KB 低电平:2556kB 高电平:4600kB ACTIVE_ANON:12688kB ACTIVE_ANON:8512kB ACTIVE_FILE:12500kB INACTIVE_FILE:61524kB unevictable:0KB
    写入结束:0KB 存在:1307648kB 受管:1307648kB 锁定:0KB slab_reimlaunable:0KB slab_unreimlaunable:0KB kernel_stack:0KB pagetables:524kB 退回:0KB free_pcp:1140k
    b LOCAL _PCP:412kB FREE_CMA:23088kB
    [192.126146] lowmem_reserve[]:0 0 0 0
    [192.129847] DMA:8*4KB (C) 4*8KB (EU)53*16KB (U)4*32KB (C) 4*64KB (C) 4*128KB (C) 0*256KB 4512KB (C) 1*1024KB (C) 2*2048KB (C) 114096KB (C) 54032KB =54032KB (C)
    [192.143771] HIGHMMEM:150*4KB (UMC) 45*8KB (UMC) 28*16KB (UMC) 20*32KB (UMC) 10*64KB (UMC) 5*128KB (UMC) 6 290 256KB (UMC) 2*512KB (UMC) 5*1024KB (UMC) 5*4096KB (UMC) uC (48KB)
    KB (UMC)= 1209088kB
    22683总页缓存页数
    [192.168.3120]交换高速缓存中的页数
    [192.168.6442]交换高速缓存统计信息:添加0,删除0,查找0/0
    [192.171683]自由交换=0KB
    [192.174569]总交换=0KB
    [192.177455] 474368页 RAM
    [192.180342] 326912页 HICHMEM/MovableOnly
    [192.184623]7831页保留
    [192.187771] 47104页 CMA 保留
    [192.191375] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [192.198901] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [192.207021]硬件名称:通用 DRA74X (平展设备树)
    [192.213135]回扫:
    [192.215596][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [192.223194] r7:c1003238 r6:200e0193 r5:00000000 r4:c1022550
    [192.228875][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [192.236124][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [192.243547] r7:c1003238 r6:02080020 r5:00000000 r4:00000000
    [192.249227][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [192.257695] r3:02080020 r2:00000000 r1:c0ba1640
    [192.262326] R4:00000000
    [192.264868][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [192.273949] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [192.281806] R4:eed39204
    [192.284347][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [192.2990] r7:ee37d210 R6:00000700 R5:ee05c000 R4:eed39204
    [ 192.298672][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [192.307142] R9:00010000 R8:00000442 r7:ee37d210 R6:eec58000 R5:ee3b30d0 R4:ee05c000
    [192.314916][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [192.323211] R8:00000442 r7:eec58000 R6:ee2eced0 R5:ee3b30d0 R4:fa486b80
    [192.329937][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [192.338844] R10:00000442 R9:48486b80 R8:ee3b30f0 r7:ee2eced0 R6:fa486b80 R5:00010000
    [192.346701] R4:ee3b30d0
    [192.349241][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [192.358059] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [192.365917] R4:00000006
    [192.368457][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [192.376578] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [192.382259][ ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [192.390119] R9:c1002d00 R8:ffd441 r7:0000012c R6:00000040 R5:c06a69c4 r4:ee37d238
    [192.397894][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [192.405754] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [192.413611] R4:00000000
    [192.416152][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [192.423487] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [192.431344] R4:c0e5cd88
    [192.433885][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [192.441745][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [192.450128] R9:ee054000 R8:fa213000 r7:fa212000 r6:ee055c48 r5:fa21200c r4:c100342c
    [192.457901][ ](GIC_Handle_IRQ)来自[ ](_IRQ_Svc+0x58/0x8c)
    [192.465410]异常堆栈(0xee055c48至0xee055c90)
    [192.470478] 5c40:c1002f40 00000000 1d131d12 1d121d12 ee788000 ee788050
    [192.47868686] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee055ca4 e055ca8 ee055c98
    [192.486893] 5c80:c034697c c08c6c64 600e0113 ffff
    [192.491962] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffffff R5:600e0113 R4:c08c6c64
    [192.499736][ ](_raW_SPIN_LOCK)从[ ](__remove_inode_hash+0x20/0x68)
    [192.508120][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [192.515804] R5:fff000 R4:ee788000
    [192.519391][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [192.525855] r7:c0a124c0 r6:ee788050 r5:ee788000 r4:ede79000
    [192.531536][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [192.539133] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [192.544814][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [192.553195] R5:ee712198 R4:ee6e9ee0
    [192.556783][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [192.565165] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [192.570847][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [192.579230] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [192.587087] R4:ee055d88
    [192.589629][ ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [192.598011] R5:ede792f0 R4:ee055e18
    [192.601600][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [192.610244] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [192.618102] R4:000009eb
    [192.620644][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [192.628678] R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [192.636536] R4:ee055f00
    [ 192.639077][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [ 192.646677][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [192.653840] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [192.661697] r4:c104be00
    [ 192.664239][ ](kswapd)从[ ](kthread+0x100/0x118)
    [192.671052] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [192.678909] R4:00000000
    [192.681451][ ](kthread)、来自[ ](RET_FANK_F叉+0x14/0x2C)
    [ 192.688700] R8:00000000 r7:00000000 R6:00000000 R5:c024a318 R4:eebfdb00
    [192.695423]内存信息:
    [192.697704] active_anon:3172 inactive_anon:2608 isoled_anon:0
    [192.697704] active_file:3729 inactive_file:15999 isoled_file:0
    [192.697704]不可避免:0脏:0写回:0不稳定:0
    [192.697704] slab_reimalable:5435 slab_unreimalable:11139
    [192.697704]映射:4457 shmem:2964可传递:131回弹:0
    [192.697704]免费:315780 FREE_PCP:565 FREE_CMA:19060
    [ 192.731296]节点0 active_anon:12688kB inactive_anon:10432kB active_file:14916kB inactive_file:63996kB unevicable:0KB isolated (anon):0KB isolated (file):0KB MAPPED:17
    828KB 脏污:0KB 写回:0KB shmm:11856KB 写回_tmp:0KB 不稳定:0KB 页扫描:0 all_unreimable? 否
    [ 192.755990] DMA 空闲:54032kB 最小值:2504kB 低电平:3128kB 高电平:3752kB ACTIVE_ANON:0kB INACTIVE_ANON:1920kB ACTIVE_FILE:2428kB INACTIVE_FILE:2536kB unevictable:0kB writependi
    NG:0KB Present:589824kB managed:558500kB mlocked:0KB slab_relaimable:21740kB slab_unreimclable:44556kB kernel_stack:1200kB pagetables:0KB bounced:0KB FREE_PCP:1120kB lo
    CAL_PCP:748kB FREE_CMA:53152kB
    [192.788265] lowmem_reserve[]:0 1253 1253
    [192.792495]不含 HIGHMEM:1209088kB 最小值:512KB 低电平:2556kB 高电平:4600kB ACTIVE_ANON:12688kB ACTIVE_ANON:8512kB ACTIVE_FILE:12500kB INACTIVE_FILE:61524kB unevictable:0kB
    写入结束:0KB 存在:1307648kB 受管:1307648kB 锁定:0KB slab_reimlaunable:0KB slab_unreimlaunable:0KB kernel_stack:0KB pagetables:524kB 退回:0KB free_pcp:1140k
    b LOCAL _PCP:412kB FREE_CMA:23088kB
    [192.825120] lowmem_reserve[]:0 0 0 0
    [192.828821] DMA:8*4KB (C) 4*8KB (EU)53*16KB (U)4*32KB (C) 4*64KB (C) 4*128KB (C) 0*256KB 4*256KB 4*512KB (C) 1*1024KB (C) 2*2048KB (C) 114096KB (C) 54032KB =54032KB (C)
    [192.842747] HIGHMMEM:150*4KB (UMC) 45*8KB (UMC) 28*16KB (UMC) 20*32KB (UMC) 10*64KB (UMC) 5*128KB (UMC) 6290*256KB (UMC) 2*512KB (UMC) 5*1024KB (UMC) 5*128KB (UMC) 5*128KB (UMC) 5*128KB (UMC) 5*128KB (UMC) 5*256KB (UMC) 5*256KB (UMC) 5*256KB (UMC) 5*256KB (UMC) 5*256KB (UMC) 5*256KB (U
    KB (UMC)= 1209088kB
    22683总页缓存页数
    [192.862097]交换高速缓存中的页数为0
    [192.865421]交换高速缓存统计信息:添加0,删除0,查找0/0
    [192.870662]自由交换= 0KB
    [192.873548]总交换=0KB
    [192.876434] 474368页 RAM
    [192.879319] 326912页 HICHMEM/MovableOnly
    [192.883601] 7831页保留
    [192.886748] 47104页 CMA 保留
    [192.890352] kswapd0:页面分配失败:顺序:0、模式:0x2080020 (GFP_Atomic)
    [192.897879] CPU:0 PID:35 Comm:kswapd0被污染:G O 4.9.28-geed43d1050 #9
    [192.905999]硬件名称:通用 DRA74X (平展设备树)
    [192.912113]回溯:
    [192.914575][ ](dump_backtrace)从[ ](show_stack+0x18/0x1c)
    [192.922173] r7:c1003238 r6:200e0193 r5:00000000 r4:c1022550
    [192.927854][ ](show_stack)从[ ](dump_stack+0x8c/0xa0)
    [192.935104][ ](dump_stack)从[ ](WARN_ALLOC+0x104/0x118)
    [192.942527] r7:c1003238 r6:02080020 r5:00000000 r4:00000000
    [192.948208][ ](warn_alloc)、来自[ ](__alloc_pages_nodemask+0x3ac/0xcf4)
    [192.956677] R3:02080020 R2:00000000 R1:c0ba1640
    [192.961308] R4:00000000
    [192.963849][ ](__alloc_pages_nodemask)从[ ](__alloc_page_frag+0x144/0x15c)
    [192.972931] R10:c0214964 R9:00010000 R8:400e0113 r7:00000000 R6:02080020 R5:00000700
    [192.980789] R4:eed39204
    [192.983330][ ](__alloc_page_frag)、来自[ ](__netdev_alloc_skb+0x9C/0x100)
    [192.991974] r7:ee37d210 r6:00000700 r5:ee05c000 r4:eed39204
    [192.997656][ ](__netdev_alloc_skb)来自[ ](cpsw_rx_handler + 0x74/0x1b8)
    [193.006125] R9:00010000 R8:000002c2 r7:ee37d210 R6:eec580c0 R5:ee3b30d0 R4:ee05c000
    [193.013899][ ](cpsw_rx_handler)、来自[ ](_cpdma_chan_free+0xa8/0xc4)
    [193.022195] R8:000002c2 r7:eec580c0 R6:ee2eced0 R5:ee3b30d0 R4:fa486ba0
    [193.028922][ ](_cpdma_chan_free)从[ ](_cpdma_chan_process+0x160/0x180)
    [193.037827] R10:000002c2 R9:48486ba0 R8:ee3b30f0 r7:ee2eced0 R6:fa486ba0 R5:00010000
    [193.045685] R4:ee3b30d0
    [193.048225][ ](_cpdma_chan_process)从[ ](cpdma_chan_process+0x44/0x6c)
    [193.057044] R10:ee055b48 R9:c1002d00 R8:ee37d238 r7:00000040 R6:00000040 R5:ee3b30d0
    [193.064902] R4:00000007
    [193.067443][ ](cpdma_chan_process)、来自[ ](cpsw_Rx_POL+0x4c/0xc8)
    [193.075564] r7:00000040 R6:00000000 R5:ee37d238 R4:00000001
    [193.081245][ ](cpsw_rx_poll)来自[ ](net_rx_action+0x218/0x300)
    [193.089105] R9:c1002d00 R8:ffffd441 r7:0000012c R6:00000040 R5:c06a69c4 R4:ee37d238
    [193.096880][ ](net_rx_action)从[ ](__do_softirq+0x11c/0x234)
    [193.104739] R10:40000003 R9:00000003 R8:c1002080 r7:00000101 R6:ee054000 R5:c100208c
    [193.112597] R4:00000000
    [193.115139][ ](__do_softirq)、从[ ](IRQ_EXIT+0xe0/0x148)
    [193.122475] R10:ee712198 R9:ee054000 R8:ee808000 r7:00000000 R6:00000000 R5:00000161
    [193.130332] R4:c0e5cd88
    [193.132873][ ](IRQ_EXIT)从[ ](_handle_domain_IRQ+0x68/bb)
    [193.140734][ ](_handle_domain_IRQ)、来自[ ](GIC_Handle_IRQ+0x40/0x7c)
    [193.149118] R9:ee054000 R8:fa213000 r7:fa212000 R6:ee055c48 R5:fa21200c R4:c100342c
    [193.156891][ ](GIC_Handle_IRQ)、来自[ ](_IRQ_Svc+0x58/0x8c)
    [193.164400]异常堆栈(0xee055c48至0xee055c90)
    [193.169469] 5c40:c1002f40 00000000 1d131d12 1D1+--- +
    [193.177677] 5c60:c0a124c0 c0a124c0 00080400 ee6e9f48 ee712198 ee0||
    [193.185884] 5c80:c034977c c08c6c64 600e0113 ffff |无法打开/dev/ttyUSB1! |
    [193.190953] R9:ee054000 R8:00080400 r7:ee055c7c R6:ffff R5:60|
    [193.198727][ ](_raW_SPIN_LOCK)从[ ](__reme+------------------------------------------------------- +
    [193.207109][ ](__remove_inode_hash)从[ ](evict+0xe4/0x16c)
    [193.214794] R5:fff000 R4:ee788000
    [193.218382][ ](逐项)从[ ](iPut+0x144/0x1d0)
    [193.224845] r7:c0a124c0 r6:ee788050 r5:ee788000 r4:ede79000
    [193.230526][ ](iput)、从[ ](dlentry_unlink_inode + 0xdc/0x150)
    [193.238123] r7:c0e5cd00 r6:ee6e9f30 r5:ee788000 r4:ee6e9ee0
    [193.243804][ ](dlentry_unlink_inode)、来自[ ](__dlentry_kill+b8/0x17c)
    [193.252186] R5:ee712198 R4:ee6e9ee0
    [193.255774][ ](__dentry_kill)从[ ](shrink_dentry_list+0x10c/0x338)
    [193.264156] r7:c0e5cd00 r6:ee055d88 r5:ee6e9ee0 r4:ee6e9f30
    [193.269836][ ](shrink_dentry_list)、来自[ ](prune_dcache_sb+0x48/0x54)
    [193.278220] R10:00000000 R9:00000000 R8:ede79000 r7:00000000 R6:000067d8 R5:00000400
    [193.286078] R4:ee055d88
    [193.288620][ ](prune_dcache_sb)、来自[ ](super_cache_scan+0x11c/0x18c)
    [193.297001] R5:ede792f0 R4:ee055e18
    [193.300590][ ](super_cache_scan)、来自[ ](shrink_slab.part.0+0x23c/0x358)
    [193.309235] R10:00000398 R9:c0e5cc30 R8:00000400 r7:ede792f0 R6:00000400 R5:00000400
    [193.317092] R4:000009eb
    [193.319632][ ](shrink_slab.part.0)、来自[ ](shrink_slab+0x44/0x4c)
    [193.327666] R10:c104be00 R9:00000504 R8:00000000 r7:00000000 R6:00000000 R5:ee80b400
    [193.335524] R4:ee055f00
    [193.338066][ ](shrink_slab)从[ ](shrink_node+0x110/0x334)
    [193.345667][ ](shrink_node)从[ ](kswapd+0x33c/0x69c)
    [193.352829] R10:00000001 R9:c1081d5c R8:00000000 r7:c104cc4c R6:ffff R5:c104ba80
    [193.360686] R4:c104be00
    [193.363228][ ](kswapd)从[ ](kthread+0x100/0x118)
    [193.370041] R10:00000000 R9:00000000 R8:c02eb114 r7:c104be00 R6:ee054000 R5:eebfdb00
    [193.377898] R4:00000000
    [193.380440][ ](kthread)、来自[<c�

    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

    [引用用户="Mahesh kalmeshwar "]
    1.音频(输入、输出)、视频和 hid 同时都有传输到 PC 的数据流(相同的来源适用于 IMX 平台)。[/quot]

    内核没有内置 USB 音频/视频/hid 小工具驱动程序、我想您使用的是 configfs 创建的驱动程序。 请分享您用于创建复合小工具的命令或脚本、以及您如何在 PC 上进行流式传输、在 PC 上运行什么应用程序。 我需要采取确切步骤来重现问题。

    日志显示崩溃在网络驱动程序中、我不确定与此 USB 用例相关的网络、因此需要首先复制问题。

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。
    您好,Bin,

    一项观察:
    完成处理程序到计划的延迟=~2000微秒。
    请告诉我如何缩短此时间?
  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

    Mahesh、

    请勿在单个线程中输入多个查询。 请为每个查询/问题创建新主题。

    顺便说一下、为了让我们高效地提供支持、请在您的问题报告中提供足够详细的信息。

    -设备是什么

    -什么是操作系统和版本

    详细描述观察结果

    -任何日志文件

    请观看以下链接中的视频、了解如何使用此 e2e 论坛。

    https://training.ti.com/dos-donts-posting-to-e2e-community-forums 

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。
    Mahesh、

    我注意到您为新查询创建了一个新帖子。 谢谢你。
    您是否仍在寻求我们对原始 AV 集成问题的支持? 否则、我将关闭此主题。
  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。
    箱、

    请参阅离线邮件。

    此致、Bernd
  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

    博城

    请让我们继续讨论 e2e。 如果需要添加要点、请在此处告知我们。

    我们认为这一讨论将使更多的客户受益。