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Massiv kernel crashes on ibook/G4 1.33 GHz



Hi,

I've got a serious problem with my ibook/G4. Since yesterday there
are frequent kernel crashes. No chance to get the system up without
a kernel crash. Booting in single user mode usually works, probably
because of much less disk io. As soon as larger processes like
postgresql or X11 are started the system ends up in xmon, which in
some cases be left with 'x'.

This happens for linux 2.6.8 (stock debian kernel), 2.6.9 and 2.6.11-rc4.
They all had been working till yesterday. I initially suspected my
daily apt-get upgrade, but that is very unlike to be the case, because
starting the ubuntu live cd has identical problems. I never get into
X but usually have a console to log in. If I execute
'dd if=/dev/hdax of=/dev/null' it almost freezes imediately. Running
a fsck is impossible. It freezes before reaching 10%.

MacOSX is working as usually and even reading one of the
linux partitions with dd or mounting them from MacOSX with ext2fsx
didn't cause any problems.

I'm not sure what is going on, but I'm under the impression that
this is hardware related. The last time it run reliable (yesterday)
it has been under heavy load for at least 4 hours with the fan
on almost all the time. I can't believe this has overheaded it, but
how knows.

I added some syslog messages at the end of the mail, just in case it
helps.
I'm completely clueless and I don't think apple will care about it
as long as it runs under MacOSX.

Any help welcome.

  Uwe

Mar  3 10:28:20 localhost postfix/postfix-script: stopping the Postfix mail system
Mar  3 10:28:20 localhost postfix/master[4742]: terminating on signal 15
Mar  3 10:28:29 localhost kernel: Oops: kernel access of bad area, sig: 11 [#5]
Mar  3 10:28:29 localhost kernel: NIP: C0071FD4 LR: C0071FC0 SP: EAB4FE70 REGS: eab4fdc0 TRAP: 0300    Not tainted
Mar  3 10:28:29 localhost kernel: MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
Mar  3 10:28:29 localhost kernel: DAR: 6AB4FEDC, DSISR: 40000000
Mar  3 10:28:29 localhost kernel: TASK = eb6a0e70[4806] 'postfix-script' THREAD: eab4e000
Mar  3 10:28:29 localhost kernel: Last syscall: 3 
Mar  3 10:28:29 localhost kernel: GPR00: 00000000 EAB4FE70 EB6A0E70 EB61B000 EC0A1400 C0B6C360 00000000 C0313D30 
Mar  3 10:28:29 localhost kernel: GPR08: EAB4FE4C 2B61B000 22000428 C0300000 00000000 100CC2F4 6AB4FED8 00000000 
Mar  3 10:28:29 localhost kernel: GPR16: EA548478 EF1DDE80 00000000 00000000 00000080 EA548404 C02550E0 00000001 
Mar  3 10:28:29 localhost kernel: GPR24: EC0A1400 00000080 EC0A1410 EB61B000 00000080 00000080 EF1DDE80 6AB4FED8 
Mar  3 10:28:29 localhost kernel: NIP [c0071fd4] pipe_readv+0xd8/0x38c
Mar  3 10:28:29 localhost kernel: LR [c0071fc0] pipe_readv+0xc4/0x38c
Mar  3 10:28:29 localhost kernel: Call trace:
Mar  3 10:28:29 localhost kernel:  [c00722b0] pipe_read+0x28/0x38
Mar  3 10:28:29 localhost kernel:  [c0063b5c] vfs_read+0xc8/0x150
Mar  3 10:28:29 localhost kernel:  [c0063e70] sys_read+0x50/0x94
....

Mar  3 10:33:41 localhost kernel: Oops: kernel access of bad area, sig: 11 [#6]
Mar  3 10:33:41 localhost kernel: NIP: C00BA99C LR: C00BA9E4 SP: DDD3FD90 REGS: ddd3fce0 TRAP: 0300    Not tainted
Mar  3 10:33:41 localhost kernel: MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
Mar  3 10:33:41 localhost kernel: DAR: 62D79D74, DSISR: 40000000
Mar  3 10:33:41 localhost kernel: TASK = e982a620[5115] 'dpkg' THREAD: ddd3e000
Mar  3 10:33:41 localhost kernel: Last syscall: 10 
Mar  3 10:33:41 localhost kernel: GPR00: C00BA9E4 DDD3FD90 E982A620 C039A4D8 00000003 00000001 DDD3FD78 00000001 
Mar  3 10:33:41 localhost kernel: GPR08: C0A5AF80 C039A4D8 00000002 00001000 00000000 10041170 7FFFF290 10030000 
Mar  3 10:33:41 localhost kernel: GPR16: 7FFFF170 1002CB90 7FFFF140 7FFF7080 00008000 00002000 1002633C EFEF79A0 
Mar  3 10:33:41 localhost kernel: GPR24: 00000001 00000000 C0A5AF80 E2D79D64 00001000 00000004 62D79D64 62D79D64 
Mar  3 10:33:41 localhost kernel: NIP [c00ba99c] journal_invalidatepage+0x68/0x144
Mar  3 10:33:41 localhost kernel: LR [c00ba9e4] journal_invalidatepage+0xb0/0x144
Mar  3 10:33:41 localhost kernel: Call trace:
Mar  3 10:33:41 localhost kernel:  [c00a9738] ext3_invalidatepage+0x4c/0x5c
Mar  3 10:33:41 localhost kernel:  [c0049dd4] do_invalidatepage+0x28/0x44
Mar  3 10:33:41 localhost kernel:  [c0049ec0] truncate_complete_page+0xd0/0xd4
Mar  3 10:33:41 localhost kernel:  [c004a0ec] truncate_inode_pages+0x110/0x3e8
Mar  3 10:33:41 localhost kernel:  [c0081684] generic_delete_inode+0x114/0x118
Mar  3 10:33:41 localhost kernel:  [c008189c] iput+0x94/0xbc
Mar  3 10:33:41 localhost kernel:  [c0076968] sys_unlink+0x164/0x1a8
Mar  3 10:33:41 localhost kernel:  [c0004240] ret_from_syscall+0x0/0x44
....

Mar  3 10:45:47 localhost kernel: Oops: kernel access of bad area, sig: 11 [#7]
Mar  3 10:45:47 localhost kernel: NIP: C00BA99C LR: C00BA9E4 SP: DDA1FD90 REGS: dda1fce0 TRAP: 0300    Not tainted
Mar  3 10:45:47 localhost kernel: MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
Mar  3 10:45:47 localhost kernel: DAR: 62D5DD74, DSISR: 40000000
Mar  3 10:45:47 localhost kernel: TASK = eb6a08c0[5961] 'dpkg' THREAD: dda1e000
Mar  3 10:45:47 localhost kernel: Last syscall: 10 
Mar  3 10:45:47 localhost kernel: GPR00: C00BA9E4 DDA1FD90 EB6A08C0 C039A4D0 00000003 00000001 DDA1FD78 00000001 
Mar  3 10:45:47 localhost kernel: GPR08: C0A4F600 C039A4D0 00000002 00001000 00000000 10041170 7FFFEF40 10030000 
Mar  3 10:45:47 localhost kernel: GPR16: 7FFFEE20 1002CB90 7FFFEDF0 7FFF6D2C 00008000 00002000 1002633C EFEF79A0 
Mar  3 10:45:47 localhost kernel: GPR24: 00000001 00000000 C0A4F600 E2D5DD64 00001000 00000004 62D5DD64 62D5DD64 
Mar  3 10:45:47 localhost kernel: NIP [c00ba99c] journal_invalidatepage+0x68/0x144
Mar  3 10:45:47 localhost kernel: LR [c00ba9e4] journal_invalidatepage+0xb0/0x144
Mar  3 10:45:47 localhost kernel: Call trace:
Mar  3 10:45:47 localhost kernel:  [c00a9738] ext3_invalidatepage+0x4c/0x5c
Mar  3 10:45:47 localhost kernel:  [c0049dd4] do_invalidatepage+0x28/0x44
Mar  3 10:45:47 localhost kernel:  [c0049ec0] truncate_complete_page+0xd0/0xd4
Mar  3 10:45:47 localhost kernel:  [c004a0ec] truncate_inode_pages+0x110/0x3e8
Mar  3 10:45:47 localhost kernel:  [c0081684] generic_delete_inode+0x114/0x118
Mar  3 10:45:47 localhost kernel:  [c008189c] iput+0x94/0xbc
Mar  3 10:45:47 localhost kernel:  [c0076968] sys_unlink+0x164/0x1a8
Mar  3 10:45:47 localhost kernel:  [c0004240] ret_from_syscall+0x0/0x44
-- 
  MMK GmbH, Universitaetsstr. 11, 58097 Hagen
  Uwe.Steinmann@mmk-hagen.de
  Tel: +2331 840446    Fax: +2331 843920

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