Tool/software:
Crash log looks like this:
[ 3.443115] ------------[ cut here ]------------ [ 3.447753] WARNING: CPU: 0 PID: 38 at drivers/bus/omap_l3_noc.c:133 l3_interrupt_handler+0x280/0x37c [ 3.457061] 44000000.l3-noc:L3 Standard Error: MASTER MPU TARGET IPU1 (Read Link): At Address: 0x00082000 : Data Access in User mode during Functional access [ 3.471191] Modules linked in: [ 3.474273] CPU: 0 PID: 38 Comm: kworker/u4:3 Not tainted 6.1.119-ti-ge4e8b16e66f5 #1 [ 3.482147] Hardware name: Generic DRA74X (Flattened Device Tree) [ 3.488281] Workqueue: events_unbound deferred_probe_work_func [ 3.494140] unwind_backtrace from show_stack+0x10/0x14 [ 3.499420] show_stack from dump_stack_lvl+0x40/0x4c [ 3.504516] dump_stack_lvl from __warn+0x7c/0x158 [ 3.509338] __warn from warn_slowpath_fmt+0x124/0x1c0 [ 3.514495] warn_slowpath_fmt from l3_interrupt_handler+0x280/0x37c [ 3.520904] l3_interrupt_handler from __handle_irq_event_percpu+0x7c/0x228 [ 3.527923] __handle_irq_event_percpu from handle_irq_event+0x38/0x80 [ 3.534484] handle_irq_event from handle_fasteoi_irq+0x9c/0x204 [ 3.540557] handle_fasteoi_irq from generic_handle_domain_irq+0x28/0x38 [ 3.547302] generic_handle_domain_irq from gic_handle_irq+0x74/0x88 [ 3.553680] gic_handle_irq from generic_handle_arch_irq+0x34/0x44 [ 3.559906] generic_handle_arch_irq from call_with_stack+0x18/0x20 [ 3.566223] call_with_stack from __irq_svc+0x84/0xac [ 3.571289] Exception stack(0xf00e9be0 to 0xf00e9c28) [ 3.576385] 9be0: 00000000 40132000 00000000 00000000 c2aa0140 c15ae4e8 c2a47810 00000000 [ 3.584594] 9c00: c0e46bcc c0e467ac 00000000 00000000 0000cf90 f00e9c30 c06a31ec c06a3270 [ 3.592803] 9c20: 20000013 ffffffff [ 3.596313] __irq_svc from sysc_probe+0xdec/0x1534 [ 3.601226] sysc_probe from platform_probe+0x5c/0xbc [ 3.606323] platform_probe from really_probe+0xc8/0x2ec [ 3.611694] really_probe from __driver_probe_device+0x88/0x1a0 [ 3.617645] __driver_probe_device from driver_probe_device+0x30/0x104 [ 3.624206] driver_probe_device from __device_attach_driver+0x94/0x108 [ 3.630859] __device_attach_driver from bus_for_each_drv+0x80/0xd0 [ 3.637176] bus_for_each_drv from __device_attach+0xac/0x1e4 [ 3.642944] __device_attach from bus_probe_device+0x84/0x8c [ 3.648651] bus_probe_device from device_add+0x3ac/0x78c [ 3.654083] device_add from of_platform_device_create_pdata+0x90/0xc0 [ 3.660675] of_platform_device_create_pdata from of_platform_bus_create+0x1b0/0x244 [ 3.668457] of_platform_bus_create from of_platform_populate+0x70/0xd4 [ 3.675109] of_platform_populate from simple_pm_bus_probe+0x90/0x94 [ 3.681488] simple_pm_bus_probe from platform_probe+0x5c/0xbc [ 3.687377] platform_probe from really_probe+0xc8/0x2ec [ 3.692718] really_probe from __driver_probe_device+0x88/0x1a0 [ 3.698669] __driver_probe_device from driver_probe_device+0x30/0x104 [ 3.705230] driver_probe_device from __device_attach_driver+0x94/0x108 [ 3.711883] __device_attach_driver from bus_for_each_drv+0x80/0xd0 [ 3.718200] bus_for_each_drv from __device_attach+0xac/0x1e4 [ 3.723999] __device_attach from bus_probe_device+0x84/0x8c [ 3.729675] bus_probe_device from deferred_probe_work_func+0x78/0xa4 [ 3.736145] deferred_probe_work_func from process_one_work+0x1d8/0x514 [ 3.742828] process_one_work from worker_thread+0x220/0x50c [ 3.748504] worker_thread from kthread+0xec/0x11c [ 3.753356] kthread from ret_from_fork+0x14/0x38 [ 3.758087] Exception stack(0xf00e9fb0 to 0xf00e9ff8) [ 3.763153] 9fa0: 00000000 00000000 00000000 00000000 [ 3.771362] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 3.779602] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 3.786254] ---[ end trace 0000000000000000 ]--- [ 3.790893] 8<--- cut here --- [ 3.793975] Unhandled fault: asynchronous external abort (0x1211) at 0x00000000 [ 3.801330] [00000000] *pgd=80000080004003, *pmd=00000000 [ 3.806762] Internal error: : 1211 [#1] PREEMPT SMP ARM [ 3.812011] Modules linked in: [ 3.815093] CPU: 0 PID: 38 Comm: kworker/u4:3 Tainted: G W 6.1.119-ti-ge4e8b16e66f5 #1 [ 3.824432] Hardware name: Generic DRA74X (Flattened Device Tree) [ 3.830566] Workqueue: events_unbound deferred_probe_work_func [ 3.836425] PC is at sysc_probe+0xdec/0x1534 [ 3.840728] LR is at sysc_probe+0xd68/0x1534 [ 3.845031] pc : [<c06a3270>] lr : [<c06a31ec>] psr: 20000013 [ 3.851318] sp : f00e9c30 ip : 0000cf90 fp : 00000000 [ 3.856567] r10: 00000000 r9 : c0e467ac r8 : c0e46bcc [ 3.861816] r7 : 00000000 r6 : c2a47810 r5 : c15ae4e8 r4 : c2aa0140 [ 3.868377] r3 : 00000000 r2 : 00000000 r1 : 40132000 r0 : 00000000 [ 3.874938] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 3.882110] Control: 30c5387d Table: 80003000 DAC: fffffffd [ 3.887878] Register r0 information: NULL pointer [ 3.892608] Register r1 information: non-paged memory [ 3.897705] Register r2 information: NULL pointer [ 3.902435] Register r3 information: NULL pointer [ 3.907165] Register r4 information: slab kmalloc-256 start c2aa0100 pointer offset 64 size 256 [ 3.915924] Register r5 information: non-slab/vmalloc memory [ 3.921600] Register r6 information: slab kmalloc-1k start c2a47800 pointer offset 16 size 1024 [ 3.930389] Register r7 information: NULL pointer [ 3.935119] Register r8 information: non-slab/vmalloc memory [ 3.940795] Register r9 information: non-slab/vmalloc memory [ 3.946472] Register r10 information: NULL pointer [ 3.951293] Register r11 information: NULL pointer [ 3.956115] Register r12 information: non-paged memory [ 3.961273] Process kworker/u4:3 (pid: 38, stack limit = 0x43f48f53) [ 3.967681] Stack: (0xf00e9c30 to 0xf00ea000) [ 3.972045] 9c20: 00000001 00000000 00000000 c141cff4 [ 3.980285] 9c40: eec9b578 c0ff003c 00000001 c2a47810 eec9b578 c1032ba4 00000001 00000001 [ 3.988494] 9c60: 00000303 86677b7d 00000000 00000000 c2a47810 c14fc808 00000000 eec9b584 [ 3.996704] 9c80: 00000000 c150f898 00000001 c0805b0c c2a47810 00000000 c14fc808 c08031fc [ 4.004943] 9ca0: c2a47810 c14fc808 c2a47810 000000b0 eec9b584 c08034a8 60000013 00000000 [ 4.013153] 9cc0: c15b2cec c14fc808 c2a47810 000000b0 eec9b584 c08035f0 00000001 c14fc808 [ 4.021362] 9ce0: f00e9d2c c2a47810 eec9b584 c0803c04 00000000 f00e9d2c c0803b70 c1952c10 [ 4.029602] 9d00: eec9b584 c080144c eec9b584 c18db76c c1d3c938 86677b7d c2a47810 00000001 [ 4.037811] 9d20: c2a47854 c08038a0 eec9b590 c2a47810 00000001 86677b7d c2a47810 c150fe30 [ 4.046020] 9d40: c2a47810 c08024d8 c2a47810 00000000 c15b2cb8 c07ff68c 00000000 00000000 [ 4.054260] 9d60: 00000000 00000000 00000000 86677b7d c2a47800 c1952c10 00000000 c141cff4 [ 4.062469] 9d80: eec9b5dc c141cff4 00000000 c0ae8f24 eec9b578 c141cdf0 00000000 00000000 [ 4.070678] 9da0: c141cfd0 c0ae9154 00000000 86677b7d c1952c10 00000001 58882000 00000000 [ 4.078918] 9dc0: 58882003 00000000 ff9e8370 00000200 00000000 00000000 00000000 00000000 [ 4.087127] 9de0: 00000000 86677b7d eec9b05c eec9b578 eec3c644 00000000 c141cdf0 c1952c10 [ 4.095336] 9e00: 00000001 00000000 c15602c0 c0ae9354 00000001 00000000 c1952c10 eec3c644 [ 4.103576] 9e20: c141cdf0 00000000 00000000 c180f00d c193ec00 c069ff68 00000000 c1952c10 [ 4.111785] 9e40: c14fc724 c0805b0c c1952c10 00000000 c14fc724 c08031fc c1952c10 c14fc724 [ 4.119995] 9e60: c1952c10 00000001 00000000 c08034a8 60000013 c180f00d c15b2cec c14fc724 [ 4.128204] 9e80: c1952c10 00000001 00000000 c08035f0 00000001 c14fc724 f00e9ee4 c1952c10 [ 4.136444] 9ea0: 00000000 c0803c04 00000000 f00e9ee4 c0803b70 00000000 00000000 c080144c [ 4.144653] 9ec0: 00000000 c18db76c c1d3c838 86677b7d c1952c10 00000001 c1952c54 c08038a0 [ 4.152862] 9ee0: 00000000 c1952c10 00000001 86677b7d c1952c10 c150fe30 c1952c10 c08024d8 [ 4.161102] 9f00: c1952c10 c150fb7c c150fb90 c0802918 c150fbb4 c1baaa80 c1806600 c180f000 [ 4.169311] 9f20: 00000000 c024f80c c1284a00 c193ec00 c1806600 c1806600 c180661c c1baaa80 [ 4.177520] 9f40: c1806600 c1baaa98 c180661c c1403d40 00000088 c193ec00 c1806600 c0250118 [ 4.185760] 9f60: c155f854 c1571148 f00e9f7c c193ec00 c1bb54c0 c024fef8 c1baaa80 c1bb5740 [ 4.193969] 9f80: f00d9ecc 00000000 00000000 c0256cc0 c1bb54c0 c0256bd4 00000000 00000000 [ 4.202178] 9fa0: 00000000 00000000 00000000 c020021c 00000000 00000000 00000000 00000000 [ 4.210418] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.218627] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 4.226837] sysc_probe from platform_probe+0x5c/0xbc [ 4.231933] platform_probe from really_probe+0xc8/0x2ec [ 4.237274] really_probe from __driver_probe_device+0x88/0x1a0 [ 4.243225] __driver_probe_device from driver_probe_device+0x30/0x104 [ 4.249786] driver_probe_device from __device_attach_driver+0x94/0x108 [ 4.256469] __device_attach_driver from bus_for_each_drv+0x80/0xd0 [ 4.262756] bus_for_each_drv from __device_attach+0xac/0x1e4 [ 4.268554] __device_attach from bus_probe_device+0x84/0x8c [ 4.274261] bus_probe_device from device_add+0x3ac/0x78c [ 4.279693] device_add from of_platform_device_create_pdata+0x90/0xc0 [ 4.286254] of_platform_device_create_pdata from of_platform_bus_create+0x1b0/0x244 [ 4.294036] of_platform_bus_create from of_platform_populate+0x70/0xd4 [ 4.300689] of_platform_populate from simple_pm_bus_probe+0x90/0x94 [ 4.307098] simple_pm_bus_probe from platform_probe+0x5c/0xbc [ 4.312957] platform_probe from really_probe+0xc8/0x2ec [ 4.318298] really_probe from __driver_probe_device+0x88/0x1a0 [ 4.324279] __driver_probe_device from driver_probe_device+0x30/0x104 [ 4.330841] driver_probe_device from __device_attach_driver+0x94/0x108 [ 4.337493] __device_attach_driver from bus_for_each_drv+0x80/0xd0 [ 4.343811] bus_for_each_drv from __device_attach+0xac/0x1e4 [ 4.349578] __device_attach from bus_probe_device+0x84/0x8c [ 4.355285] bus_probe_device from deferred_probe_work_func+0x78/0xa4 [ 4.361755] deferred_probe_work_func from process_one_work+0x1d8/0x514 [ 4.368408] process_one_work from worker_thread+0x220/0x50c [ 4.374114] worker_thread from kthread+0xec/0x11c [ 4.378936] kthread from ret_from_fork+0x14/0x38 [ 4.383666] Exception stack(0xf00e9fb0 to 0xf00e9ff8) [ 4.388763] 9fa0: 00000000 00000000 00000000 00000000 [ 4.396972] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.405181] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 4.411834] Code: e3a00000 e5991004 e3510000 0a000004 (e594e008) [ 4.417968] ---[ end trace 0000000000000000 ]--- [ 4.422607] note: kworker/u4:3[38] exited with irqs disabled
In general look for:
44000000.l3-noc:L3 Standard Error: MASTER MPU TARGET IPU1 (Read): At Address: 0x0008204C : Data Access in Supervisor mode during Functional access
