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SubjectRe: 2.6.10-rc2-mm3 - oops on boot
Andrew Morton wrote:
> Eyal Lebedinsky <eyal@eyal.emu.id.au> wrote:
>
>>EIP is at invalidate_bdev+0x10/0x29
>>eax: 00000000 ebx: 00000000 ecx: 00000000 edx: f7ca4320
>>esi: 00000002 edi: 00000006 ebp: f7cb3400 esp: c194bef8
>>ds: 007b es: 007b ss: 0068
>>Process swapper (pid: 1, threadinfo=c194b000 task=c194aa80)
>>Stack: 00000000 00000004 c0187aa3 00000000 00000000 00000005 00000006 00000006
>> 00000000 00000000 00000000 f7cb3400 c1931f80 00000000 c0176377 f7cb3400
>> ffffffff c02cc149 00000000 ffffffff c194bf60 c02cc149 00000000 c0176498
>>Call Trace:
>> [<c0187aa3>] vfs_quota_off+0xc0/0x219
>> [<c0176377>] do_umount+0x19e/0x235
>> [<c0176498>] sys_umount+0x8a/0x8e
>> [<c03c72b0>] umount_devfs+0x17/0x1b
>> [<c03c71bd>] prepare_namespace+0x2e/0xd7
>> [<c012e2fc>] flush_workqueue+0x77/0x95
>> [<c0100454>] init+0x14e/0x18d
>> [<c0100306>] init+0x0/0x18d
>> [<c010128d>] kernel_thread_helper+0x5/0xb
>>Code: 5e 5f 5d c3 89 5c 24 1c f0 ff 43 0c eb d5 0f 0b b2 01 7f 6d 2d c0 e9 4b ff ff ff 83 ec 08 89 5c 24 04 8b 5c 24 0c e8 f5 0f 00 00 <8b> 43 04 8b 5c 24 04 8b 80 b4 00 00 00 89 44 24 0c 83 c4 08 e9
>> <0>Kernel panic - not syncing: Attempted to kill init!
>
>
> Well devfs has a NULL sb->s_bdev, so the oops is no surprise. However I'm
> a bit surprised that we even got that far into the quota code.
>
> Maybe it's a bit odd that sync_blockdev() accepts a NULL argument, but
> invalidate_bdev() does not. Whatever. This should get you going:
>
> --- 25/fs/dquot.c~vfs_quota_off-oops-fix Mon Nov 22 15:08:31 2004
> +++ 25-akpm/fs/dquot.c Mon Nov 22 15:08:49 2004
> @@ -1372,7 +1372,8 @@ int vfs_quota_off(struct super_block *sb
> mark_inode_dirty(toput[cnt]);
> iput(toput[cnt]);
> }
> - invalidate_bdev(sb->s_bdev, 0);
> + if (sb->s_bdev)
> + invalidate_bdev(sb->s_bdev, 0);
> return 0;
> }
>

Very good. -mm3 now boots and TV works as well (both the dvb cards and
the analog one). No oops or other unusual messages yet.

Thanks

--
Eyal Lebedinsky (eyal@eyal.emu.id.au) <http://samba.org/eyal/>
-
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