linux-kernel - Re: kernel BUG message while using jffs2

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Message-Id: <1194683837.5688.4.camel@localhost>
Date:	Sat, 10 Nov 2007 10:37:17 +0200
From:	Alexandru DAMIAN <ddalex@...il.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: kernel BUG message while using jffs2

I'm running stock kernel on a Fedora 7. uname -a tells 

Linux sandel.gameloft.org 2.6.22.9-91.fc7 #1 SMP Thu Sep 27 23:10:59 EDT
2007 i686 i686 i386 GNU/Linux

In the stock 2.6.22.9 kernel, I see a bugon on slub.c, the code is this:

2196 static struct kmem_cache *get_slab(size_t size, gfp_t flags)
2197 {
2198         int index = kmalloc_index(size);
2199 
2200         if (!index)
2201                 return NULL;
2202 
2203         /* Allocation too large? */
2204         BUG_ON(index < 0);

Hope this helps,

Cheers,
Alex

On Fri, 2007-11-09 at 17:39 -0500, David Woodhouse wrote:
> On Fri, 2007-11-09 at 17:08 +0200, Alexandru Damian wrote:
> > Hello,
> > 
> > Sorry for posting here, it seems the best spot; if I need to redirect
> > this to mtd-utils team, please tell me.
> > 
> > I'm playing around with some jffs2 files. While trying to mount (via
> > block2mtd, loop) a jffs2 system, a "kernel BUG message" appeared in
> > dmesg, with these lines:
> > 
> > kernel BUG at mm/slub.c:2204!
> 
> I don't see a BUG() or BUG_ON() anywhere near that line. What version of
> the kernel? Precisely what is at that line?
> 

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