[Android Driver] A kernel dump

[   42.162772] Kernel BUG at ffffff81906670ec [verbose debug info unavailable]
[   42.162786] Internal error: Accessing user space memory outside uaccess.h routines: 96000005 [#1] PREEMPT SMP
[   42.162874] Modules linked in: machine_ext_dlkm(O) machine_dlkm(O) wcd9335_dlkm(O) cpe_lsm_dlkm(O) wcd_cpe_dlkm(O) analog_cdc_dlkm(O) digital_cdc_dlkm(O) stub_dlkm(O) mbhc_dlkm(O) wsa881x_analog_dlkm(O) wsa881x_dlkm(O) wcd9xxx_dlkm(O) wcd_core_dlkm(O) hdmi_dlkm(O) swr_ctrl_dlkm(O) swr_dlkm(O) pinctrl_wcd_dlkm(O) native_dlkm(O) platform_dlkm(O) usf_dlkm(O) q6_dlkm(O) adsp_loader_dlkm(O) apr_dlkm(O) q6_notifier_dlkm(O)
[   42.162893] CPU: 7 PID: 566 Comm: [email protected] Tainted: G           O    4.9.112 #56
[   42.162904] Hardware name: Qualcomm Technologies, Inc. SDM450 PMI632 758W QRD SKU4 (DT)
[   42.162915] task: ffffffd8636c8f80 task.stack: ffffffd8636f4000
[   42.162946] PC is at regulator_disable+0x1c/0x98
[   42.162966] LR is at goodix_power_off+0x88/0x170
[   42.162977] pc : [<ffffff81906670ec>] lr : [<ffffff81909bb81c>] pstate: 00400145
[   42.162986] sp : ffffffd8636f7a20
[   42.163015] x29: ffffffd8636f7a20 x28: ffffffd8636c8f80 
[   42.163042] x27: ffffffd8636f7c30 x26: ffffffd8636f7c38 
[   42.163068] x25: ffffffd8636f7c70 x24: ffffffd86b514c20 
[   42.163094] x23: ffffffd869448d90 x22: ffffff8191e9f000 
[   42.163120] x21: 0000000000000000 x20: 0000000000000005 
[   42.163146] x19: 0000000000000000 x18: 0000000000000000 
[   42.163172] x17: 0000000000000007 x16: ffffffd871c8a658 
[   42.163198] x15: 0000000000000000 x14: ffffffd871c8a650 
[   42.163224] x13: ffffffd871c8a648 x12: 0000000000000030 
[   42.163250] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f 
[   42.163275] x9 : 0000000000000007 x8 : ffffff81919e2090 
[   42.163301] x7 : 0000000000000000 x6 : 0000000005be8801 
[   42.163326] x5 : 0000000000000015 x4 : 000000000131a404 
[   42.163352] x3 : ffffffd86ba86090 x2 : 00000056e02a0000 
[   42.163379] x1 : 0000000000040900 x0 : ffffff81909bb81c 
[   42.163390] 
[   42.163390] PC: 0xffffff81906670ac:
[   42.163479] 70ac  d2800002 97e9f301 2a1403e0 17ffffb3 f9400041 b5fffec1 d0007d81 910e0021
[   42.163564] 70cc  17fffff3 a9bd7bfd 910003fd a90153f3 a9025bf5 aa0003f3 aa1e03e0 d503201f
[   42.163648] 70ec  39406260 f9402e75 360000c0 52800000 a94153f3 a9425bf5 a8c37bfd d65f03c0
[   42.163734] 710c  910222b6 aa1603e0 942a3760 aa1503e0 97ffff88 2a0003f4 35000140 b9402a61
[   42.163743] 
[   42.163743] LR: 0xffffff81909bb7dc:
[   42.163828] b7dc  350006a0 f940e660 b140041f 54000128 528b5402 52800001 72a00642 97f2ac0d
[   42.163912] b7fc  37f80760 f940e660 97f2ae33 35000460 f940e260 b140041f 54000068 97f2ae2e
[   42.163997] b81c  350002e0 f9402660 b9401000 7113fc1f 540000c9 3905de7f 52800000 f9400bf3
[   42.164081] b83c  a8c27bfd d65f03c0 97ec95cc 52800001 97ec986e 17fffff8 f9401e60 d0006581
[   42.164091] 
[   42.164091] SP: 0xffffffd8636f79e0:
[   42.164175] 79e0  909bb81c ffffff81 636f7a20 ffffffd8 906670ec ffffff81 00400145 00000000
[   42.164259] 7a00  636f7a20 ffffffd8 9066713c ffffff81 ffffffff 0000007f 002b7cd0 002b7cd0
[   42.164344] 7a20  636f7a50 ffffffd8 909bb81c ffffff81 69448c18 ffffffd8 00000005 00000000
[   42.164428] 7a40  00000000 00000000 91e9f000 ffffff81 636f7a70 ffffffd8 909bedd8 ffffff81
[   42.164440] Process [email protected] (pid: 566, stack limit = 0xffffffd8636f4000)
[   42.164450] Call trace:
[   42.164463] Exception stack(0xffffffd8636f7830 to 0xffffffd8636f7960)
[   42.164479] 7820:                                   0000000000000000 0000007fffffffff
[   42.164494] 7840: 00000000420c8000 ffffff81906670ec 0000000000400145 ffffff8191e9f000
[   42.164510] 7860: 000000000000001b ffffffbefe802af4 00000000002b7cd0 ffffffd8636f78e8
[   42.164526] 7880: ffffffd86c287b2c ffffff8191f577c8 ffffffd8636f7920 ffffff8190661dcc
[   42.164541] 78a0: ffffffd8636f78d0 ffffff81900922c0 ffffff8191e9f000 ffffff81910f4b44
[   42.164557] 78c0: 00000056e02a0000 ffffffd871c82c30 ffffffd8636f7910 ffffff81900f4550
[   42.164572] 78e0: 0000000000000001 0000000000040900 ffffff81909bb81c 0000000000040900
[   42.164588] 7900: 00000056e02a0000 ffffffd86ba86090 000000000131a404 0000000000000015
[   42.164603] 7920: 0000000005be8801 0000000000000000 ffffff81919e2090 0000000000000007
[   42.164618] 7940: 7f7f7f7f7f7f7f7f 0101010101010101 0000000000000030 ffffffd871c8a648
[   42.162946] PC is at regulator_disable+0x1c/0x98
[   42.162966] LR is at goodix_power_off+0x88/0x170

 

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Origin blog.csdn.net/John_chaos/article/details/110792120