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器件型号:SK-AM62B-P1 工具与软件:
我们正在使用提到的入门套件进行开发。 在此期间、我们发现了 CPSW 端口锁定问题。 日志如下所示。
:~# [ 186.017319] ------------[ cut here ]------------ [ 186.021985] NETDEV WATCHDOG: eth0 (am65-cpsw-nuss): transmit queue 7 timed out 6720 ms [ 186.029954] WARNING: CPU: 0 PID: 0 at /net/sched/sch_generic.c:525 dev_watchdog+0x1f0/0x21c [ 186.038309] Modules linked in: overlay xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cfg80211 ipt_REJECT nf_reject_ipv4 xt_tcpudp iptable_filter iptable_mangle iptable_raw ip_tables x_tables rpmsg_ctrl rpmsg_char irq_pruss_intc pru_rproc crct10dif_ce btrfs blake2b_generic libcrc32c rti_wdt xor xor_neon ti_k3_m4_remoteproc ti_k3_r5_remoteproc rtc_ti_k3 k3_j72xx_bandgap sa2ul tps6598x omap_mailbox at24 mcrc64 authenc pruss optee_rng rng_core raid6_pq drm drm_panel_orientation_quirks backlight ipv6 [ 186.083113] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.6.44-ti-01377-g617526782e26-dirty #1 [ 186.091535] Hardware name: [ 186.095966] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 186.102916] pc : dev_watchdog+0x1f0/0x21c [ 186.106916] lr : dev_watchdog+0x1f0/0x21c [ 186.110916] sp : ffff800080003de0 [ 186.114218] x29: ffff800080003de0 x28: ffff800080fb7000 x27: 0000000000000101 [ 186.121345] x26: ffff800080003e90 x25: 0000000000000007 x24: ffff00000297839c [ 186.128471] x23: 0000000000001a40 x22: 0000000000000007 x21: ffff000002978448 [ 186.135597] x20: ffff0000029798c0 x19: ffff000002978000 x18: 000000000000000a [ 186.142723] x17: 6f2064656d697420 x16: 3720657565757120 x15: 74696d736e617274 [ 186.149849] x14: 203a297373756e2d x13: 736d203032373620 x12: 74756f2064656d69 [ 186.156976] x11: 00000000000001a9 x10: 00000000ffffffea x9 : 000000000000000c [ 186.164101] x8 : ffff000077b49b88 x7 : ffff000077b49b88 x6 : ffff000077b560b0 [ 186.171228] x5 : ffff800080949dd8 x4 : ffffffffffffffff x3 : 0000000000000001 [ 186.178353] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff800080fc3400 [ 186.185480] Call trace: [ 186.187918] dev_watchdog+0x1f0/0x21c [ 186.191572] call_timer_fn+0x70/0x108 [ 186.195233] __run_timers+0x1ec/0x218 [ 186.198891] run_timer_softirq+0x20/0x40 [ 186.202807] handle_softirqs+0x1fc/0x28c
然后出现如下错误:
[ 926.113361] am65-cpsw-nuss 8000000.ethernet eth0: txq:3 DRV_XOFF:0 tmo:478816 dql_avail:-36 free_desc:362 [ 931.233359] am65-cpsw-nuss 8000000.ethernet eth0: txq:3 DRV_XOFF:0 tmo:483936 dql_avail:-36 free_desc:362 [ 937.121369] am65-cpsw-nuss 8000000.ethernet eth0: txq:3 DRV_XOFF:0 tmo:489824 dql_avail:-36 free_desc:362 [ 942.241364] am65-cpsw-nuss 8000000.ethernet eth0: txq:3 DRV_XOFF:0 tmo:494944 dql_avail:-36 free_desc:362
就在电路板启动1分钟后。 我在勘误表中也发现了问题、例如 i2401。
但我想确认一下这个问题是否在任何新的芯片修订版本中得到了解决?