Figure

Hi 叶鹏

pwm_fan_set_cur_state触发的dump问题，麻烦分析下~

   1.616395] kernel BUG at kernel/time/timer.c:988!
[    1.616403] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[    1.616408] Modules linked in:
[    1.616415] Process swapper/0 (pid: 1, stack limit = 0x000000002866e02f)
[    1.616420] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G S      W         4.19.157-perf+ #1
[    1.616425] Hardware name: Qualcomm Technologies, Inc. kona MTP-RmPM8150b. VX1(MCE) EVT2 (DT)
[    1.616430] pstate: 60800085 (nZCv daIf -PAN +UAO)
[    1.616440] pc : mod_timer+0x584/0x588
[    1.616445] lr : add_timer+0x18/0x28
[    1.616449] sp : ffffff800805b7c0
[    1.616453] x29: ffffff800805b7d0 x28: ffffff9c62d296b8 
[    1.616459] x27: ffffff9c62dfa000 x26: ffffff9c629040b0 
[    1.616464] x25: 0000000000000004 x24: ffffff9c62913018 
[    1.616470] x23: 0000000000000066 x22: 0000000000000000 
[    1.616475] x21: 0000000000000001 x20: ffffffe4d5a76000 
[    1.616481] x19: 0000000000000000 x18: ffffffe4f7565b00 
[    1.616487] x17: ffffffe4f7581800 x16: 0000000000000060 
[    1.616492] x15: 0000000000000004 x14: 0000000000000001 
[    1.616497] x13: 0000000000000007 x12: 0000000000000013 
[    1.616502] x11: 0000000000000000 x10: ffffff9c62c06000 
[    1.616508] x9 : 00000000fffee17d x8 : 0000000000000000 
[    1.616513] x7 : 0000000000000000 x6 : ffffff800805b4c5 
[    1.616518] x5 : 0000000000000001 x4 : 0000000000000004 
[    1.616523] x3 : 00000000000004e2 x2 : ffffffe4d5b00ca8 
[    1.616528] x1 : 00000000fffee17d x0 : ffffffe4d5b00cd8 
[    1.616533] Call trace:
[    1.616539]  mod_timer+0x584/0x588
[    1.616544]  add_timer+0x18/0x28
[    1.616549]  queue_delayed_work_on+0x98/0xf8
[    1.616554]  pwm_fan_set_cur_state+0x168/0x170
[    1.616559]  thermal_cdev_update+0x158/0x218
[    1.616564]  step_wise_throttle+0x54/0x80
[    1.616569]  handle_thermal_trip+0x210/0x308
[    1.616574]  thermal_zone_device_update+0x150/0x198
[    1.616579]  __thermal_cooling_device_register+0x434/0x448
[    1.616584]  thermal_of_cooling_device_register+0xc/0x18
[    1.616589]  pwm_fan_probe+0x3ec/0x4d8
[    1.616595]  platform_drv_probe+0x7c/0xb8
[    1.616599]  really_probe+0x43c/0x4c8
[    1.616604]  driver_probe_device+0x60/0xf8
[    1.616609]  __driver_attach+0xe8/0x128
[    1.616615]  bus_for_each_dev+0x78/0xc0
[    1.616620]  driver_attach+0x20/0x28
[    1.616625]  bus_add_driver+0x120/0x200
[    1.616630]  driver_register+0x74/0x108
[    1.616635]  __platform_driver_register+0x40/0x48
[    1.616640]  pwm_fan_driver_init+0x18/0x20
[    1.616644]  do_one_initcall+0x11c/0x280
[    1.616649]  kernel_init_freeable+0x2dc/0x390
[    1.616655]  kernel_init+0x14/0x290
[    1.616660]  ret_from_fork+0x10/0x18
[    1.616667] Code: d4210000 17ffff51 d4210000 17fffefc (d4210000) 
[    1.616675] ---[ end trace 07ea3774be7925cf ]---
[    1.618456] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    1.618456] 
[    1.618469] SMP: stopping secondary CPUs
[    2.218618] cnss: Crash shutdown with driver_state 0x0
[    2.218628] cnss: Device is already powered off, skip
[    2.218645] ipa ipa3_active_clients_panic_notifier:305 
[    2.218645] ---- Active Clients Table ----
[    2.218645] 
[    2.218645] Total active clients count: 0
[    2.218645] 
[    2.218659] Kernel Offset: 0x1c58a00000 from 0xffffff8008000000

112版本长时间按压未出现重启进入900E的情况