From: Ingo Molnar <mingo@elte.hu>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, Jan Kara <jack@ucw.cz>
Subject: Re: [PATCH] lost sysctl fix
Date: Sun, 27 Jul 2008 08:35:21 +0200 [thread overview]
Message-ID: <20080727063521.GA1963@elte.hu> (raw)
In-Reply-To: <20080727062956.GA24749@elte.hu>
* Ingo Molnar <mingo@elte.hu> wrote:
>
> * Al Viro <viro@ZenIV.linux.org.uk> wrote:
>
> > try_attach() should walk into the matching subdirectory, not the first one...
> >
> > Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> > ---
> > [and yes, that's what that crap had been]
>
> does this explain the following crash -tip testing just triggered with
> latest -git:
>
> [ 12.293289] calling butterfly_init+0x0/0x14
> [ 12.298036] BUG: unable to handle kernel NULL pointer dereference at 00000004
> [ 12.302065] IP: [<c012c169>] __register_sysctl_paths+0x1af/0x253
> [ 12.308058] *pdpt = 0000000000b81001 *pde = 0000000000000000
> [ 12.314809] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
your patch fixes it.
Tested-by: Ingo Molnar <mingo@elte.hu>
Ingo
next prev parent reply other threads:[~2008-07-27 6:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-27 2:22 2.6.26-mmotm-0724 - linux-next.git loses /proc/sys/fs/quota, breaks disk quotas Valdis.Kletnieks
2008-07-27 3:25 ` Andrew Morton
2008-07-27 3:43 ` Valdis.Kletnieks
2008-07-27 3:50 ` Roland Dreier
2008-07-27 4:09 ` Al Viro
2008-07-27 5:17 ` [PATCH] " Al Viro
2008-07-27 5:31 ` [PATCH] lost sysctl fix Al Viro
2008-07-27 6:29 ` Ingo Molnar
2008-07-27 6:35 ` Ingo Molnar [this message]
2008-07-27 6:31 ` Valdis.Kletnieks
2008-07-27 5:53 ` [PATCH] Re: 2.6.26-mmotm-0724 - linux-next.git loses /proc/sys/fs/quota, breaks disk quotas Valdis.Kletnieks
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