From: Andrew Morton <akpm@osdl.org>
To: Grant Wilson <gww@btinternet.com>
Cc: s.rivoir@gts.it, linux-kernel@vger.kernel.org
Subject: Re: 2.6.9-rc3-mm2
Date: Mon, 4 Oct 2004 14:32:53 -0700 [thread overview]
Message-ID: <20041004143253.50a82050.akpm@osdl.org> (raw)
In-Reply-To: <4161BCCB.4080302@btinternet.com>
Grant Wilson <gww@btinternet.com> wrote:
>
> Andrew Morton wrote:
> [snip]
>
> >>IP: routing cache hash table of 4096 buckets, 32KBytes
> >>kmem_cache_create: Early error in slab ip_fib_hash
> >>-----[ cut here ] -----
> >>kernel BUG at mm/slab.c:1185!
> >>invalid operand: 0000 [#1]
> >>PREEMPT
>
> [snip]
>
> I am hitting the same stop on my amd64 box. With your patch the
> following is reported:
>
> in_interrupt(): 268435200 (ie 0x0fffff00)
> preempt_count(): ffffffff
heh, OK, someone goofed there.
Could you try this patch? It'll locate the bug for us.
--- 25/include/linux/preempt.h~a Mon Oct 4 14:31:24 2004
+++ 25-akpm/include/linux/preempt.h Mon Oct 4 14:31:49 2004
@@ -19,6 +19,8 @@ do { \
#define dec_preempt_count() \
do { \
preempt_count()--; \
+ if (preempt_count() == -1) \
+ *(char *)0 = 0; \
} while (0)
#ifdef CONFIG_PREEMPT
_
(I'd have used BUG, but that might cause inclusion problems)
next prev parent reply other threads:[~2004-10-04 21:33 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-04 9:02 2.6.9-rc3-mm2 Andrew Morton
2004-10-04 10:36 ` 2.6.9-rc3-mm2 Mathieu Segaud
2004-10-04 15:39 ` 2.6.9-rc3-mm2 Norberto Bensa
[not found] ` <87k6u6mp5z.fsf@barad-dur.crans.org>
2004-10-04 16:33 ` 2.6.9-rc3-mm2 Norberto Bensa
2004-10-04 12:15 ` 2.6.9-rc3-mm2 Stephane Jourdois
2004-10-05 0:36 ` 2.6.9-rc3-mm2 Andrew Rodland
2004-10-05 17:45 ` 2.6.9-rc3-mm2 Stephane Jourdois
2004-10-04 12:46 ` 2.6.9-rc3-mm2 Stefano Rivoir
2004-10-04 19:18 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-04 21:12 ` 2.6.9-rc3-mm2 Grant Wilson
2004-10-04 21:32 ` Andrew Morton [this message]
2004-10-04 21:39 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-04 21:52 ` 2.6.9-rc3-mm2 Grant Wilson
2004-10-04 22:02 ` 2.6.9-rc3-mm2 Hua Zhong
2004-10-04 22:11 ` 2.6.9-rc3-mm2 Grant Wilson
2004-10-05 6:56 ` 2.6.9-rc3-mm2 Stefano Rivoir
2004-10-04 17:13 ` 2.6.9-rc3-mm2 Pasi Savolainen
2004-10-05 9:25 ` 2.6.9-rc3-mm2 Peter Zijlstra
2004-10-05 9:30 ` 2.6.9-rc3-mm2 Peter Zijlstra
2004-10-05 12:06 ` 2.6.9-rc3-mm2 Hugh Dickins
2004-10-05 13:28 ` 2.6.9-rc3-mm2 Peter Zijlstra
2004-10-06 10:54 ` 2.6.9-rc3-mm2 Hugh Dickins
2004-10-06 10:57 ` 2.6.9-rc3-mm2 Ingo Molnar
2004-10-07 0:53 ` 2.6.9-rc3-mm2 Pasi Savolainen
2004-10-04 17:19 ` 2.6.9-rc3-mm2 (compile stats) John Cherry
2004-10-04 19:56 ` 2.6.9-rc3-mm2 Christian Borntraeger
2004-10-04 21:39 ` 2.6.9-rc3-mm2 Dominik Karall
2004-10-04 23:41 ` 2.6.9-rc3-mm2 ip_conntrack problems Ed Tomlinson
2004-10-05 0:08 ` Andrew Morton
2004-10-05 23:13 ` Ed Tomlinson
2004-10-05 23:53 ` Andrew Morton
2004-10-05 3:12 ` 2.6.9-rc3-mm2 Andrew Rodland
2004-10-05 9:25 ` 2.6.9-rc3-mm2 Dominik Karall
2004-10-05 14:07 ` 2.6.9-rc3-mm2 Dominik Karall
2004-10-05 14:21 ` 2.6.9-rc3-mm2 Con Kolivas
2004-10-15 1:38 ` 2.6.9-rc3-mm2 Rusty Russell
2004-10-15 1:44 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-15 2:05 ` 2.6.9-rc3-mm2 Rusty Russell
2004-10-15 2:09 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-15 3:07 ` 2.6.9-rc3-mm2 Rusty Russell
-- strict thread matches above, loose matches on Subject: below --
2004-10-04 10:40 2.6.9-rc3-mm2 Karsten Wiese
2004-10-06 20:28 ` 2.6.9-rc3-mm2 Hanna Linder
2004-10-04 14:34 2.6.9-rc3-mm2 Karsten Wiese
2004-10-04 19:23 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-04 19:25 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-04 21:26 ` 2.6.9-rc3-mm2 Ingo Molnar
2004-10-04 21:35 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-04 21:37 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-04 21:48 ` 2.6.9-rc3-mm2 Ingo Molnar
2004-10-05 0:05 ` 2.6.9-rc3-mm2 Karsten Wiese
2004-10-05 0:17 ` 2.6.9-rc3-mm2 Andrew Morton
2004-10-07 5:55 2.6.9-rc3-mm2 Sid Boyce
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