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部件号：AM62P 工具/软件：
我编写一个应用程序来实现带有4个 CSI-2摄像头的环视系统。我使用 V4L2获取摄像头数据、使用 GPU 渲染数据、CPU 也会同时处理数据。
当应用开始处理摄像头数据时、内核打印"j721e-csi2rx 30102000.ticsi2rx：无法将下一个缓冲区排队等待 DMA ret：-5 "的可能性约为5%。内核和应用程序都处于活动状态。
[ 12.300439] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.308988] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.340201] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.348656] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.356977] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.365278] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5
有时、内核在打印后崩溃：
[ 12.231154] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.272619] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.281605] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.290444] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.299284] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.311782] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.320773] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.329853] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.339248] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.352418] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.362069] j721e-csi2rx 30102000.ticsi2rx: Failed to queue the next buffer for DMA ret:-5 [ 12.372079] Unable to handle kernel paging request at virtual address dead000000000108 [ 12.379993] Mem abort info: [ 12.382780] ESR = 0x0000000096000044 [ 12.386522] EC = 0x25: DABT (current EL), IL = 32 bits [ 12.391821] SET = 0, FnV = 0 [ 12.394866] EA = 0, S1PTW = 0 [ 12.397996] FSC = 0x04: level 0 translation fault [ 12.402860] Data abort info: [ 12.405729] ISV = 0, ISS = 0x00000044, ISS2 = 0x00000000 [ 12.411199] CM = 0, WnR = 1, TnD = 0, TagAccess = 0 [ 12.416238] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 12.421538] [dead000000000108] address between user and kernel address ranges [ 12.428660] Internal error: Oops: 0000000096000044 [#1] PREEMPT SMP [ 12.434915] Modules linked in: ox01g10 max96701 pvrsrvkm(O) rti_wdt sa2ul mcrc64 wave5 v4l2_mem2mem max96755r max96724 [ 12.445628] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W O 6.12.17+ #7 [ 12.453792] Tainted: [W]=WARN, [O]=OOT_MODULE [ 12.458136] Hardware name: Texas Instruments AM62P5 SK (DT) [ 12.463694] pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 12.470640] pc : ti_csi2rx_dma_callback+0x70/0xe8 [ 12.475343] lr : ti_csi2rx_dma_callback+0x68/0xe8 [ 12.480039] sp : ffff800080003e20 [ 12.483343] x29: ffff800080003e20 x28: 0000000000000101 x27: 0000000000000040 [ 12.490472] x26: ffff000000f5e378 x25: dead000000000122 x24: ffff000001a21c78 [ 12.497600] x23: ffff000001a21c50 x22: 0000000000000000 x21: ffff0000049dd400 [ 12.504728] x20: ffff000001a21570 x19: ffff0000049dd000 x18: 0000000000000006 [ 12.511855] x17: 2072656666756220 x16: 7478656e20656874 x15: 206575657571206f [ 12.518983] x14: 742064656c696146 x13: ffff800080d8cd38 x12: 00000000000009ab [ 12.526111] x11: 0000000000000339 x10: ffff800080de4d38 x9 : ffff800080d8cd38 [ 12.533239] x8 : 00000000ffffefff x7 : ffff800080de4d38 x6 : 80000000fffff000 [ 12.540367] x5 : ffff8000806b2f2c x4 : 0000000000000000 x3 : dead000000000100 [ 12.547494] x2 : dead000000000122 x1 : 0000000000000100 x0 : 0000000000000005 [ 12.554623] Call trace: [ 12.557061] ti_csi2rx_dma_callback+0x70/0xe8 [ 12.561411] udma_vchan_complete+0x20c/0x258 [ 12.565676] tasklet_action_common+0xf8/0x11c [ 12.570027] tasklet_action+0x2c/0x38 [ 12.573682] handle_softirqs+0x104/0x248 [ 12.577598] __do_softirq+0x14/0x20 [ 12.581077] ____do_softirq+0x10/0x1c [ 12.584731] call_on_irq_stack+0x24/0x4c [ 12.588645] do_softirq_own_stack+0x1c/0x28 [ 12.592819] irq_exit_rcu+0x8c/0xc4 [ 12.596301] el1_interrupt+0x38/0x68 [ 12.599869] el1h_64_irq_handler+0x18/0x24 [ 12.603956] el1h_64_irq+0x64/0x68 [ 12.607348] default_idle_call+0x28/0x3c [ 12.611264] do_idle+0x200/0x258 [ 12.614484] cpu_startup_entry+0x38/0x3c [ 12.618398] kernel_init+0x0/0x1d4 [ 12.621793] start_kernel+0x54c/0x694 [ 12.625447] __primary_switched+0x80/0x88 [ 12.629454] Code: 528000a1 97ffbd90 a9428aa3 d2802001 (f9000462) [ 12.635533] ---[ end trace 0000000000000000 ]--- [ 12.640140] Kernel panic - not syncing: Oops: Fatal exception in interrupt [ 12.647000] SMP: stopping secondary CPUs [ 13.723945] SMP: failed to stop secondary CPUs 1 [ 13.728556] Kernel Offset: disabled [ 13.732032] CPU features: 0x00,00000000,00200000,4200420b [ 13.737418] Memory Limit: none [ 13.740463] ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---
如果应用程序一直在获取摄像头数据、但不对其执行任何操作、它会很好。
该应用程序在其他平台上运行良好。
此故障意味着什么？ 此故障的潜在原因是什么？
