Re: 2.6.16-rc5-mm1

From: Nick Piggin
Date: Tue Feb 28 2006 - 21:13:49 EST


Michal Piotrowski wrote:
On 28/02/06, Michal Piotrowski <michal.k.k.piotrowski@xxxxxxxxx> wrote:

Hi,

On 28/02/06, Andrew Morton <akpm@xxxxxxxx> wrote:

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc5/2.6.16-rc5-mm1/


- A large procfs rework from Eric Biederman.

- The swap prefetching patch is back.


[snip]

+inotify-lock-avoidance-with-parent-watch-status-in-dentry.patch
+inotify-lock-avoidance-with-parent-watch-status-in-dentry-fix.patch

I have noticed this:
Feb 28 15:13:42 ltg01-sid kernel: BUG: warning at
/usr/src/linux-mm/fs/inotify.c:533/inotify_d_instantiate()
Feb 28 15:13:42 ltg01-sid kernel: [show_trace+13/15] show_trace+0xd/0xf
Feb 28 15:13:42 ltg01-sid kernel: [dump_stack+21/23] dump_stack+0x15/0x17
Feb 28 15:13:42 ltg01-sid kernel: [inotify_d_instantiate+47/98]
inotify_d_instantiate+0x2f/0x62
Feb 28 15:13:42 ltg01-sid kernel: [d_instantiate+70/114]
d_instantiate+0x46/0x72
Feb 28 15:13:42 ltg01-sid kernel: [ext3_add_nondir+44/64]
ext3_add_nondir+0x2c/0x40
Feb 28 15:13:42 ltg01-sid kernel: [ext3_link+163/217] ext3_link+0xa3/0xd9
Feb 28 15:13:42 ltg01-sid kernel: [vfs_link+292/379] vfs_link+0x124/0x17b
Feb 28 15:13:42 ltg01-sid kernel: [sys_linkat+157/218] sys_linkat+0x9d/0xda
Feb 28 15:13:42 ltg01-sid kernel: [sys_link+20/25] sys_link+0x14/0x19
Feb 28 15:13:42 ltg01-sid kernel: [syscall_call+7/11] syscall_call+0x7/0xb

Here is dmesg http://www.stardust.webpages.pl/files/mm/2.6.16-rc5-mm1/mm-dmesg
Here is config http://www.stardust.webpages.pl/files/mm/2.6.16-rc5-mm1/mm-config


This patch is causing that warning
inotify-lock-avoidance-with-parent-watch-status-in-dentry.patch


The warning is harmless really. I guess it can be removed.

--
SUSE Labs, Novell Inc.
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