Witherspoon panic in ADC #2.

gistfile1.txt

[    0.669668] 8<--- cut here ---
[    0.669779] Unhandled fault: external abort on non-linefetch (0x008) at 0x9f8a5010
[    0.669990] pgd = 2162e673
[    0.670083] [9f8a5010] *pgd=80c95811, *pte=1e6e9653, *ppte=1e6e9417
[    0.670570] Internal error: : 8 [#1] ARM
[    0.670937] CPU: 0 PID: 1 Comm: swapper Not tainted 5.14.6-41a83df #1
[    0.671172] Hardware name: Generic DT based system
[    0.671364] PC is at aspeed_adc_probe+0x3f4/0x7c8
[    0.671569] LR is at __timer_delay+0x44/0x98
[    0.671684] pc : [<805f4648>]    lr : [<807a6db4>]    psr: 20000013
[    0.671845] sp : 80cbbce0  ip : 80cbbcb0  fp : 80cbbd84
[    0.671986] r10: 80eb3640  r9 : 00000000  r8 : 10624dd3
[    0.672123] r7 : 80980a00  r6 : 80eb3400  r5 : 80eb3640  r4 : 00000010
[    0.672295] r3 : 9f8a5010  r2 : 000346dc  r1 : 9f8a5000  r0 : 00fd2507
[    0.672498] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[    0.672688] Control: 00c5387d  Table: 80004008  DAC: 00000051
[    0.672846] Register r0 information: non-paged memory
[    0.673100] Register r1 information: 0-page vmalloc region starting at 0x9f8a5000 allocated at __devm_ioremap_resource+0x15c/0x1e8
[    0.673446] Register r2 information: non-paged memory
[    0.673579] Register r3 information: 0-page vmalloc region starting at 0x9f8a5000 allocated at __devm_ioremap_resource+0x15c/0x1e8
[    0.673862] Register r4 information: zero-size pointer
[    0.674005] Register r5 information: slab kmalloc-1k start 80eb3400 pointer offset 576 size 1024
[    0.674509] Register r6 information: slab kmalloc-1k start 80eb3400 pointer offset 0 size 1024
[    0.674782] Register r7 information: non-slab/vmalloc memory
[    0.674978] Register r8 information: non-paged memory
[    0.675125] Register r9 information: NULL pointer
[    0.675261] Register r10 information: slab kmalloc-1k start 80eb3400 pointer offset 576 size 1024
[    0.675545] Register r11 information: non-slab/vmalloc memory
[    0.675711] Register r12 information: non-slab/vmalloc memory
[    0.675890] Process swapper (pid: 1, stack limit = 0x4d683d62)
[    0.676102] Stack: (0x80cbbce0 to 0x80cbc000)
[    0.676377] bce0: 00000000 00000000 00000004 9f8a500c 00000000 0000000a 00000000 00000000
[    0.676697] bd00: 80eb3650 00000000 80eb52c0 0000010f 80d048f0 32747361 2d303035 2d636461
[    0.676991] bd20: 6c616373 65007265 00000072 00000004 805e3950 32747361 2d303035 2d636461
[    0.677278] bd40: 73657270 656c6163 80320072 80327354 80d03210 c5179d64 80b80924 80d03210
[    0.677562] bd60: 80b80924 80b80924 80d03210 00000000 8098b9cc 80ba9000 80cbbd9c 80cbbd88
[    0.677837] bd80: 804e7f80 805f4260 80d03210 00000000 80cbbdc4 80cbbda0 804e5b0c 804e7f38
[    0.678126] bda0: 3fffffff 80866a54 80b80924 80bc947c 80d03210 80d03210 80cbbdf4 80cbbdc8
[    0.678417] bdc0: 804e5e88 804e5954 80d03210 80b80924 80b80924 80bc9370 80b80924 80d03210
[    0.678706] bde0: 00000000 8098b9cc 80cbbe1c 80cbbdf8 804e5fb0 804e5dc0 80d03210 80d03254
[    0.679001] be00: 80b80924 80b71578 80a2b838 8098b9cc 80cbbe3c 80cbbe20 804e6314 804e5f7c
[    0.679286] be20: 00000000 80b80924 804e6270 80b71578 80cbbe6c 80cbbe40 804e3728 804e627c
[    0.679582] be40: 8098b9cc 80c9d64c 80c05fb0 c5179d64 80cbbe7c 80b80924 80eb0c60 00000000
[    0.679882] be60: 80cbbe7c 80cbbe70 804e6a40 804e36b0 80cbbea4 80cbbe80 804e40c4 804e6a24
[    0.680193] be80: 80969cd4 807b81dc 80b80924 00000000 00000007 00000000 80cbbebc 80cbbea8
[    0.680504] bea0: 804e70dc 804e3fbc 80a2176c 80c9d0c0 80cbbecc 80cbbec0 804e922c 804e7050
[    0.680823] bec0: 80cbbedc 80cbbed0 80a2178c 804e920c 80cbbf4c 80cbbee0 80a01408 80a21778
[    0.681131] bee0: 80136354 80a00448 80cbbee4 c5179d00 80b0d0d8 00000000 809522f8 00000006
[    0.681438] bf00: 00000006 00000000 80a0043c 8098b9cc 80cbbf4c 80c9d12e 80c9d133 c5179d64
[    0.681749] bf20: 80cbbf4c 00000086 80c9d0c0 c5179d64 80a4b190 80c9d0c0 00000007 80a2b858
[    0.682063] bf40: 80cbbf94 80cbbf50 80a016ec 80a013b0 00000006 00000006 00000000 80a0043c
[    0.682349] bf60: 80122cd0 00000086 ffffe000 00000000 807cd8c0 00000000 00000000 00000000
[    0.682651] bf80: 00000000 00000000 80cbbfac 80cbbf98 807cd8e0 80a01558 00000000 807cd8c0
[    0.682963] bfa0: 00000000 80cbbfb0 80100130 807cd8cc 00000000 00000000 00000000 00000000
[    0.683268] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    0.683597] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[    0.683889] Backtrace: 
[    0.684085] [<805f4254>] (aspeed_adc_probe) from [<804e7f80>] (platform_probe+0x54/0x9c)
[    0.684451]  r10:80ba9000 r9:8098b9cc r8:00000000 r7:80d03210 r6:80b80924 r5:80b80924
[    0.684690]  r4:80d03210
[    0.684801] [<804e7f2c>] (platform_probe) from [<804e5b0c>] (really_probe+0x1c4/0x46c)
[    0.685056]  r5:00000000 r4:80d03210
[    0.685163] [<804e5948>] (really_probe) from [<804e5e88>] (__driver_probe_device+0xd4/0x1bc)
[    0.685395]  r7:80d03210 r6:80d03210 r5:80bc947c r4:80b80924
[    0.685564] [<804e5db4>] (__driver_probe_device) from [<804e5fb0>] (driver_probe_device+0x40/0xd8)
[    0.685827]  r9:8098b9cc r8:00000000 r7:80d03210 r6:80b80924 r4:80bc9370
[    0.686025] [<804e5f70>] (driver_probe_device) from [<804e6314>] (__driver_attach+0xa4/0x1c8)
[    0.686290]  r9:8098b9cc r8:80a2b838 r7:80b71578 r6:80b80924 r5:80d03254 r4:80d03210
[    0.686518] [<804e6270>] (__driver_attach) from [<804e3728>] (bus_for_each_dev+0x84/0xd0)
[    0.686760]  r7:80b71578 r6:804e6270 r5:80b80924 r4:00000000
[    0.686920] [<804e36a4>] (bus_for_each_dev) from [<804e6a40>] (driver_attach+0x28/0x30)
[    0.687167]  r6:00000000 r5:80eb0c60 r4:80b80924
[    0.687304] [<804e6a18>] (driver_attach) from [<804e40c4>] (bus_add_driver+0x114/0x200)
[    0.687541] [<804e3fb0>] (bus_add_driver) from [<804e70dc>] (driver_register+0x98/0x128)
[    0.687782]  r7:00000000 r6:00000007 r5:00000000 r4:80b80924
[    0.687937] [<804e7044>] (driver_register) from [<804e922c>] (__platform_driver_register+0x2c/0x34)
[    0.688213]  r5:80c9d0c0 r4:80a2176c
[    0.688322] [<804e9200>] (__platform_driver_register) from [<80a2178c>] (aspeed_adc_driver_init+0x20/0x28)
[    0.688640] [<80a2176c>] (aspeed_adc_driver_init) from [<80a01408>] (do_one_initcall+0x64/0x144)
[    0.688905] [<80a013a4>] (do_one_initcall) from [<80a016ec>] (kernel_init_freeable+0x1a0/0x220)
[    0.689177]  r7:80a2b858 r6:00000007 r5:80c9d0c0 r4:80a4b190
[    0.689345] [<80a0154c>] (kernel_init_freeable) from [<807cd8e0>] (kernel_init+0x20/0x134)
[    0.689589]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:807cd8c0
[    0.689805]  r4:00000000
[    0.689890] [<807cd8c0>] (kernel_init) from [<80100130>] (ret_from_fork+0x14/0x24)
[    0.690136] Exception stack(0x80cbbfb0 to 0x80cbbff8)
[    0.690325] bfa0:                                     00000000 00000000 00000000 00000000
[    0.690777] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    0.691081] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    0.691291]  r5:807cd8c0 r4:00000000
[    0.691576] Code: e1a00320 e12fff31 e59a100c e2813010 (e1d310b0) 
[    0.692160] ---[ end trace c4667ee7c84483d0 ]---