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Subjectkernel BUG at kernel/timer.c:155!
From
Date
Hi,

Kernel: all 2.5.x, including latest (2.5.63)
Bug: cannot use CD Writer on development kernels

Part of dmesg:

scsi0 : SCSI host adapter emulation for IDE ATAPI devices
Vendor: TEAC Model: CD-W524E Rev: 1.0A
Type: CD-ROM ANSI SCSI revision: 02
sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.12
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0


When trying to access CD Writer I have:


hdd: lost interrupt
hdd: status error: status=0x20 { DeviceFault }
ide-scsi: Strange, packet command initiated yet DRQ isn't asserted
hdd: ATAPI reset complete
ide-scsi: abort called for 0
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0108136>] [<c01156b0>] [<c010834c>]
[<c0213dca>] [<c0213400>] [<c0219499>] [<c021298f>] [<c02127e0>]
[<c02127c0>] [<c0212ab5>] [<c0212c14>] [<c0213916>] [<c0213a14>]
[<c0213960>] [<c0107129>]
ide-scsi: reset called for 0
bad: scheduling while atomic!
Call Trace: [<c0115643>] [<c0120b9f>] [<c011960d>] [<c0120b30>]
[<c0218600>] [<c02195b1>] [<c02194b0>] [<c0212ed2>] [<c0212f76>]
[<c02137cb>] [<c0213956>] [<c0213a14>] [<c0213960>] [<c0107129>]
------------[ cut here ]------------
kernel BUG at kernel/timer.c:155!
invalid operand: 0000
CPU: 0
EIP: 0060:[<c0120183>] Not tainted
EFLAGS: 00010002
eax: 00000001 ebx: dfe2ed80 ecx: c02cd3e0 edx: c0358b08
esi: dfd24000 edi: dfe2eda4 ebp: c01fb600 esp: dfd25ea0
ds: 007b es: 007b ss: 0068
Process scsi_eh_0 (pid: 8, threadinfo=dfd24000 task=dfdcac80)
Stack: c011960d 0000000a dfe2ed80 dfd24000 00000096 c01fb4fe dfe2eda4
c0107129
00026264 c010983f 00000000 00000032 00000000 c0358b08 c0358b08
00000000
c01fbbed c0358b08 c01fb600 00000032 00000000 dfe2ed80 00000086
00000000
Call Trace: [<c011960d>] [<c01fb4fe>] [<c0107129>] [<c010983f>]
[<c01fbbed>] [<c01fb600>] [<c01fbc42>] [<c021958a>] [<c02194b0>]
[<c0212ed2>] [<c0212f76>] [<c02137cb>] [<c0213956>] [<c0213a14>]
[<c0213960>] [<c0107129>]
Code: 0f 0b 9b 00 78 18 2a c0 eb 90 90 89 f6 83 ec 14 31 c0 89 7c
<6>note: scsi_eh_0[8] exited with preempt_count 3
hdd: ATAPI reset complete




Regards,
Igor


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