> This happened under light load (playing an mp3).
I just got two more (also when playing an mp3):
Unable to handle kernel paging request at virtual address fffffc18
current->tss.cr3 = 03d49000, |r3 = 03d49000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0110a93>]
EFLAGS: 00010206
eax: c342ff74 ebx: 00001000 ecx: c342ff58 edx: fffffc18
esi: c3d4c000 edi: c224e688 ebp: c3d4df7c esp: c3d4df70
ds: 0018 es: 0018 ss: 0018
Process rcd (pid: 16747, process nr: 156, stackpage=c3d4d000)
Stack: 00000ff8 bfffdb20 00000001 00001000 c012b872 c1a79860 00000000 ffffffea
00001ff8 c0124345 00000000 c012420a c1a79860 bfffeb20 00001ff8 c1a79874
c3d4c000 40006098 080484f4 bfffdae8 c0107b34 00000000 bfffdb20 00001ff8
Call Trace: [<c012b872>] [<c0124345>] [<c012420a>] [<c0107b34>]
Code: 8b 0a 8b 52 04 8b 01 85 45 fc 74 4a 9c 5b fa c7 01 00 00 00
>>EIP: c0110a93 <__wake_up+24/88>
Trace: c012b872 <pipe_read+132/168>
Trace: c0124345 <sys_write+e7/149>
Trace: c012420a <sys_read+c6/11a>
Trace: c0107b34 <system_call+34/40>
Code: c0110a93 <__wake_up+24/88>
Segmentation fault
then, when trying to kill mpg123 (which was piping its output to rcd):
Unable to handle kernel paging request at virtual address fffffc1c
current->tss.cr3 = 00574000, |r3 = 00574000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0110b99>]
EFLAGS: 00010016
eax: fffffc18 ebx: c224e688 ecx: c342ff6c edx: fffffc18
esi: 00000286 edi: c342ff6c ebp: c342ff74 esp: c342ff68
ds: 0018 es: 0018 ss: 0018
Process mpg123 (pid: 16746, process nr: 113, stackpage=c342f000)
Stack: 00000001 c342e000 c224e688 00004000 c012b9b7 c20f2420 c224e64c ffffffea
00004000 c02563c0 00000000 c0124345 c20f2420 0807df48 00004000 c20f2434
c342e000 00000009 08065a28 bffff6c4 00000000 00000000 c0107b34 00000001
Call Trace: [<c012b9b7>] [<c0124345>] [<c0107b34>]
Code: 8b 42 04 39 c8 75 f7 89 5a 04 56 9d 8d 65 ec 5b 5e 5f 89 ec
>>EIP: c0110b99 <interruptible_sleep_on+46/5c>
Trace: c012b9b7 <pipe_write+10f/1df>
Trace: c0124345 <sys_write+e7/149>
Trace: c0107b34 <system_call+34/40>
Code: c0110b99 <interruptible_sleep_on+46/5c>
Segmentation fault
See my original message for hardware info/.config
Why would ksymoops be segfaulting like this btw?
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