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SubjectSound Oops in 2.1.122
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This is reproducable in 2.1.122 with sound (just plain soundblaster)
compiled as modules under the following circumstances:
let sb be autoloaded
let then sb be auto-unloaded, soundcore remains loaded
access /dev/mixer

klogd (1.3-26 from debian, I haven't managed to find any newer one) is
stubbornly refusing to decode the symbols, so I try it manually. If
I've botched that, please tell me what is wrong with klogd.

: Unable to handle kernel paging request at virtual address c4f3e3e8
: current->tss.cr3 = 00454000, %cr3 = 00454000
: *pde = 0000f063
: *pte = 00000000
: Oops: 0000
: CPU: 0
: EIP: 0010:[<c4f3029e>]
: EFLAGS: 00010246
: eax: c4f3e3cc ebx: c1569080 ecx: 00000000 edx: 00000000
: esi: c3597400 edi: c3597400 ebp: c3599a20 esp: c0b81f6c
: ds: 0018 es: 0018 ss: 0018
: Process OSSMixer (pid: 1760, process nr: 60, stackpage=c0b81000)
: Stack: c01225e3 c3597400 c1569080 c1569080 c3599a20 c3597400 c01214a1 c3597400
: c1569080 c334e000 00000004 c334e000 bffff630 c01215e4 c334e000 00000000
: bffff694 00000004 c0b80000 bffff76c bffff7c4 c01079f4 0804dcf8 00000000
: Call Trace: [<c01225e3>] [<c01214a1>] [<c01215e4>] [<c01079f4>]
: Code: 8b 40 1c 85 c0 74 17 53 56 ff d0 83 c4 08 eb 0e 89 f6 8b 40

EIP is in:
c4f30244 unregister_sound_synth_Rdf03108a [soundcore]
Call Trace is in:
c0122578 blkdev_release_Rb6ff03c9
c011ef9c __get_free_pages_R5b3b8f78
c011ef9c __get_free_pages_R5b3b8f78
c010671c dump_thread_Rae90b20c


CONFIG_SOUND=m
# CONFIG_SOUND_ES1370 is not set
# CONFIG_SOUND_ES1371 is not set
# CONFIG_SOUND_SONICVIBES is not set
# CONFIG_SOUND_MSNDCLAS is not set
# CONFIG_SOUND_MSNDPIN is not set
CONFIG_SOUND_OSS=m
# CONFIG_SOUND_PAS is not set
CONFIG_SOUND_SB=m
# CONFIG_SOUND_ADLIB is not set
# CONFIG_SOUND_GUS is not set
# CONFIG_SOUND_MPU401 is not set
# CONFIG_SOUND_PSS is not set
# CONFIG_SOUND_MSS is not set
# CONFIG_SOUND_SSCAPE is not set
# CONFIG_SOUND_TRIX is not set
# CONFIG_SOUND_MAD16 is not set
# CONFIG_SOUND_WAVEFRONT is not set
# CONFIG_SOUND_CS4232 is not set
# CONFIG_SOUND_MAUI is not set
# CONFIG_SOUND_SGALAXY is not set
# CONFIG_SOUND_OPL3SA1 is not set
# CONFIG_SOUND_SOFTOSS is not set
# CONFIG_SOUND_YM3812 is not set
# CONFIG_SOUND_VMIDI is not set
# CONFIG_SOUND_UART6850 is not set

olaf


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