Re: 2.6.2-rc3-mm1
From: Helge Hafting (helgehaf_at_aitel.hist.no)
Date: 02/03/04
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Date: Tue, 03 Feb 2004 11:16:08 +0100 To: Andrew Morton <akpm@osdl.org>
Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.2-rc3/2.6.2-rc3-mm1/
>
>
> - There is a debug patch in here which detects when someone calls
> i_size_write() without holding the inode's i_sem. It generates a warning
> and a stack backtrace. We know that XFS generates such a trace. It will
> turn itself off after the first ten warnings. Please don't report the XFS
> case.
>
Ok, here's an ext2 case, from dmesg:
md: running: <hdb1><hda1>
raid1: raid set md0 active with 2 out of 2 mirrors
md: ... autorun DONE.
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 168k freed
Adding 1999864k swap on /dev/hdb2. Priority:-1 extents:1
Disabled Privacy Extensions on device c042ca80(lo)
i_size_write() called without i_sem
Call Trace:
[<c012e66c>] i_size_write_check+0x3a/0x4d
[<c0145444>] generic_commit_write+0x4e/0x70
[<c0169886>] ext2_commit_chunk+0x28/0x61
[<c016aa1d>] ext2_make_empty+0x158/0x1e0
[<c016d3d5>] ext2_mkdir+0xa1/0xff
[<c016d334>] ext2_mkdir+0x0/0xff
[<c014d592>] vfs_mkdir+0x60/0x83
[<c014d639>] sys_mkdir+0x84/0xbf
[<c036133f>] syscall_call+0x7/0xb
i_size_write() called without i_sem
Call Trace:
[<c012e66c>] i_size_write_check+0x3a/0x4d
[<c0145444>] generic_commit_write+0x4e/0x70
[<c0169886>] ext2_commit_chunk+0x28/0x61
[<c016aa1d>] ext2_make_empty+0x158/0x1e0
[<c016d3d5>] ext2_mkdir+0xa1/0xff
[<c016d334>] ext2_mkdir+0x0/0xff
[<c014d592>] vfs_mkdir+0x60/0x83
[<c014d639>] sys_mkdir+0x84/0xbf
[<c036133f>] syscall_call+0x7/0xb
i_size_write() called without i_sem
Call Trace:
[<c012e66c>] i_size_write_check+0x3a/0x4d
[<c0145444>] generic_commit_write+0x4e/0x70
[<c0169886>] ext2_commit_chunk+0x28/0x61
[<c016aa1d>] ext2_make_empty+0x158/0x1e0
[<c016d3d5>] ext2_mkdir+0xa1/0xff
[<c016d334>] ext2_mkdir+0x0/0xff
[<c014d592>] vfs_mkdir+0x60/0x83
[<c014d639>] sys_mkdir+0x84/0xbf
[<c036133f>] syscall_call+0x7/0xb
eth0: no IPv6 routers present
atkbd.c: Unknown key released (translated set 2, code 0x7a on isa0060/serio0).
atkbd.c: This is an XFree86 bug. It shouldn't access hardware directly.
2.6.2-rc3-mm1 compiled with mregparm3
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- Previous message: Tim Connors: "Console off by one error: (Was Re: Cursor disappears on console, no frame-buffer)"
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