Hang in kernel and reboot

[vinothkumars]

Hi All,

Board hang in kernel and reboot. please find the below log and provide your feedback.

[ 5.826828] ++++++++++++++++ mxc_gpio_probe +++++++++++++++++++++
[ 5.832778] ++++++++++++++++ mxc_gpio_probe 1 +++++++++++++++++++++
[ 5.839236] ++++++++++++++++ mxc_gpio_probe 2 port->irq: 0x46 +++++++++++++++++++++
[ 5.847016] ++++++++++++++++ mxc_gpio_probe 3 port->clk: 0x0 +++++++++++++++++++++
[ 5.854745] ++++++++++++++++ mxc_gpio_probe 4 +++++++++++++++++++++
[ 5.861167] ++++++++++++++++ mxc_gpio_probe 5 +++++++++++++++++++++
[ 5.867606] ++++++++++++++++ mxc_gpio_probe 6 +++++++++++++++++++++
[ 5.874024] ++++++++++++++++ mxc_gpio_probe 7 +++++++++++++++++++++
[ 5.881132] ++++++++++++++++ mxc_gpio_probe 8 +++++++++++++++++++++
[ 5.887777] ++++++++++++++++ mxc_gpio_probe +++++++++++++++++++++
[ 5.893752] ++++++++++++++++ mxc_gpio_probe 1 +++++++++++++++++++++
[ 5.900166] ++++++++++++++++ mxc_gpio_probe 2 port->irq: 0x47 +++++++++++++++++++++
[ 5.907971] ++++++++++++++++ mxc_gpio_probe 3 port->clk: 0x0 +++++++++++++++++++++
[ 5.915699] ++++++++++++++++ mxc_gpio_probe 4 +++++++++++++++++++++
[ 5.922124] ++++++++++++++++ mxc_gpio_probe 5 +++++++++++++++++++++
[ 5.928557] Bad mode in Error handler detected on CPU0, code 0xbf000002 -- SError
[ 5.936013] Internal error: Oops - bad mode: 0 [#1] PREEMPT SMP
[ 5.941921] Modules linked in:
[ 5.944961] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.14.98-00053-g767bb3e-dirty #8
[ 5.952774] Hardware name: Freescale i.MX8QM MEK (DT)
[ 5.957815] task: ffff8008f60b8000 task.stack: ffff000008048000
[ 5.963732] PC is at mxc_gpio_probe+0x3f8/0x6cc
[ 5.968241] LR is at mxc_gpio_probe+0x3d8/0x6cc
[ 5.972758] pc : [<ffff0000084454f0>] lr : [<ffff0000084454d0>] pstate: 60000045
[ 5.980139] sp : ffff00000804bb70
[ 5.983442] x29: ffff00000804bb80 x28: 0000000000000000
[ 5.988740] x27: ffff000008ace330 x26: 0000000000000001
[ 5.994040] x25: ffff8008f670ec18 x24: ffff8008fffd3168
[ 5.999339] x23: ffff000008ace000 x22: ffff0000090ba000
[ 6.004638] x21: ffff8008f6657410 x20: ffff000009239000
[ 6.009938] x19: ffff8008f6657400 x18: 000000000000000e
[ 6.015237] x17: 0000000000000001 x16: 0000000000000019
[ 6.020536] x15: 0000000000000033 x14: 0d202b2b2b2b2b2b
[ 6.025836] x13: 2b2b2b2b2b2b2b2b x12: 519a55eb4866f100
[ 6.031135] x11: ffff00000804b860 x10: 00000000000008c0
[ 6.036435] x9 : ffff00000804b8c0 x8 : ffff8008f60b8920
[ 6.041734] x7 : ffff000008528bfc x6 : 0000000000000001
[ 6.047033] x5 : 0000000000000400 x4 : 0000000000000000
[ 6.052333] x3 : 0000000000000002 x2 : ffff00000c290000
[ 6.057632] x1 : ffff000009239898 x0 : ffff00000c290014
[ 6.062939]
[ 6.062939] X8: 0xffff8008f60b88a0:
[ 6.067885] 88a0 00000000 00000000 f6098180 ffff8008 00000001 00000000 00000000 00000000
[ 6.076049] 88c0 f60bd780 ffff8008 f60b8000 ffff8008 f60b8000 ffff8008 08ed6000 ffff0000
[ 6.084215] 88e0 090f5c88 ffff0000 00000001 00000000 f60b85a8 ffff8008 090ba000 ffff0000
[ 6.092383] 8900 08a652bc ffff0000 08a89000 ffff0000 0804b8c0 ffff0000 0804b8c0 ffff0000
[ 6.100548] 8920 0808606c ffff0000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.108714] 8940 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.116880] 8960 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.125047] 8980 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.133217]
[ 6.133217] X19: 0xffff8008f6657380:
[ 6.138252] 7380 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.146418] 73a0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.154584] 73c0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.162750] 73e0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.170917] 7400 f6648b00 ffff8008 ffffffff 00000000 0912ea90 ffff0000 f664a100 ffff8008
[ 6.179083] 7420 f6648b00 ffff8008 f6657828 ffff8008 f6657028 ffff8008 0912eaa0 ffff0000
[ 6.187249] 7440 f624e300 ffff8008 0912e480 ffff0000 f664b770 ffff8008 00000003 00000007
[ 6.195415] 7460 00000000 00000000 00000000 00000000 f60b8000 ffff8008 00000000 00000000
[ 6.203583]
[ 6.203583] X21: 0xffff8008f6657390:
[ 6.208620] 7390 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.216787] 73b0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.224953] 73d0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.233119] 73f0 00000000 00000000 00000000 00000000 f6648b00 ffff8008 ffffffff 00000000
[ 6.241285] 7410 0912ea90 ffff0000 f664a100 ffff8008 f6648b00 ffff8008 f6657828 ffff8008
[ 6.249452] 7430 f6657028 ffff8008 0912eaa0 ffff0000 f624e300 ffff8008 0912e480 ffff0000
[ 6.257618] 7450 f664b770 ffff8008 00000003 00000007 00000000 00000000 00000000 00000000
[ 6.265784] 7470 f60b8000 ffff8008 00000000 00000000 f6657480 ffff8008 f6657480 ffff8008
[ 6.273954]
[ 6.273954] X24: 0xffff8008fffd30e8:
[ 6.278989] 30e8 00000000 00000000 00000000 00000000 08ce9600 ffff0000 00000005 00000000
[ 6.287155] 3108 fffd3160 ffff8008 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.295322] 3128 f63f0580 ffff8008 00000124 00000000 00000005 00000000 00000000 00000000
[ 6.303488] 3148 087cc640 ffff0000 00000000 00000000 00000000 00000000 6f697067 00000000
[ 6.311654] 3168 fffd3698 ffff8008 08d77b70 ffff0000 0000002e 00000000 fffd3210 ffff8008
[ 6.319820] 3188 00000000 00000000 08b32d38 ffff0000 fffd3220 ffff8008 00000000 00000000
[ 6.327987] 31a8 fff596f0 ffff8008 00000000 00000000 fffd36a0 ffff8008 f63f0700 ffff8008
[ 6.336153] 31c8 fffd3700 ffff8008 fffd2c90 ffff8008 fff59748 ffff8008 f624ee00 ffff8008
[ 6.344320]
[ 6.344320] X25: 0xffff8008f670eb98:
[ 6.349358] eb98 00000000 00000000 f670e400 ffff8008 00000000 00000000 00000000 00000000
[ 6.357524] ebb8 00000000 00000000 f670e400 ffff8008 00000000 00000000 00000000 00000000
[ 6.365690] ebd8 00000000 00000000 f670e400 ffff8008 00000000 00000000 00000000 00000000
[ 6.373857] ebf8 00000000 00000000 f6865880 ffff8008 f66576a0 ffff8008 0859dcb8 ffff0000
[ 6.382023] ec18 00000000 00000000 00000000 00000000 00000000 00000000 0c290000 ffff0000
[ 6.390189] ec38 00000047 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.398355] ec58 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.406522] ec78 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 6.414691]
[ 6.416168] Process swapper/0 (pid: 1, stack limit = 0xffff000008048000)
[ 6.422857] Call trace:
[ 6.425291] Exception stack(0xffff00000804ba30 to 0xffff00000804bb70)
[ 6.431720] ba20: ffff00000c290014 ffff000009239898
[ 6.439537] ba40: ffff00000c290000 0000000000000002 0000000000000000 0000000000000400
[ 6.447356] ba60: 0000000000000001 ffff000008528bfc ffff8008f60b8920 ffff00000804b8c0
[ 6.455175] ba80: 00000000000008c0 ffff00000804b860 519a55eb4866f100 2b2b2b2b2b2b2b2b
[ 6.462993] baa0: 0d202b2b2b2b2b2b 0000000000000033 0000000000000019 0000000000000001
[ 6.470812] bac0: 000000000000000e ffff8008f6657400 ffff000009239000 ffff8008f6657410
[ 6.478633] bae0: ffff0000090ba000 ffff000008ace000 ffff8008fffd3168 ffff8008f670ec18
[ 6.486449] bb00: 0000000000000001 ffff000008ace330 0000000000000000 ffff00000804bb80
[ 6.494268] bb20: ffff0000084454d0 ffff00000804bb70 ffff0000084454f0 0000000060000045
[ 6.502087] bb40: 0000000000000006 0000000000000040 ffffffffffffffff 656b61774809001e
[ 6.509905] bb60: ffff00000804bb80 ffff0000084454f0
[ 6.514774] [<ffff0000084454f0>] mxc_gpio_probe+0x3f8/0x6cc
[ 6.520338] [<ffff00000859c410>] platform_drv_probe+0x50/0xc8
[ 6.526067] [<ffff00000859a370>] driver_probe_device+0x258/0x30c
[ 6.532060] [<ffff00000859a4d0>] __driver_attach+0xac/0xb0
[ 6.537534] [<ffff000008598064>] bus_for_each_dev+0x64/0xb4
[ 6.543091] [<ffff000008599c24>] driver_attach+0x20/0x28
[ 6.548391] [<ffff000008599798>] bus_add_driver+0x1c4/0x228
[ 6.553953] [<ffff00000859b270>] driver_register+0x74/0x10c
[ 6.559511] [<ffff00000859c354>] __platform_driver_register+0x4c/0x54
[ 6.565947] [<ffff000008e55b68>] gpio_mxc_init+0x18/0x20
[ 6.571245] [<ffff000008083ca0>] do_one_initcall+0x48/0x14c
[ 6.576805] [<ffff000008e20df0>] kernel_init_freeable+0x13c/0x1d8
[ 6.582887] [<ffff000008a6159c>] kernel_init+0x10/0x13c
[ 6.588095] [<ffff000008084f14>] ret_from_fork+0x10/0x18
[ 6.593398] Code: b9401400 8b000040 b900001f d5033e9f (f9400420)
[ 6.599486] ---[ end trace d172ca0f1ca74470 ]---
[ 6.604100] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 6.604100]
[ 6.613204] Rebooting in 5 seconds..

[igorpadykov · Accepted solution]

Hi Vinothkumar

from "mxc_gpio_probe" log seems there is problem with gpio, one can check if

that gpio is owned by m4 partition, use flexcan example on link

https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/System-Controller-Firmware-101-Resource-...

Best regards
igor