From: Jens Axboe <axboe@suse.de>
To: "Jürg Billeter" <j@bitron.ch>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kernel BUG at mm/page_alloc.c:796 (2.6.7-mm7)
Date: Fri, 9 Jul 2004 13:43:15 +0200 [thread overview]
Message-ID: <20040709114315.GN10114@suse.de> (raw)
In-Reply-To: <20040709114205.GM10114@suse.de>
On Fri, Jul 09 2004, Jens Axboe wrote:
> On Fri, Jul 09 2004, Jürg Billeter wrote:
> > Just built and installed 2.6.7-mm7 and on startup I get the following
> > BUG message. config and lspci output to be found below. 2.6.7-mm6 didn't
> > have this problem on my computer. I can provide more information if
> > requested. Please CC me on reply.
> >
> > kernel BUG at mm/page_alloc.c:796!
> > invalid operand: 0000 [#1]
> > PREEMPT
> > Modules linked in: ds pcmcia_core freq_table nfs lockd sunrpc ohci_hcd
> > e100 snd_intel8x0 snd_ac97_codec snd_pcm snd_timer snd_page_alloc
> > snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore ehci_hcd
> > uhci_hcd ipt_REJECT ipt_LOG ipt_MASQUERADE ip_nat_irc ip_nat_ftp
> > iptable_nat
> > ipt_state ip_conntrack_irc ip_conntrack_ftp ip_conntrack iptable_filter
> > ip_tables ext3 jbd mbcache
> > CPU: 0
> > EIP: 0060:[<c0135581>] Not tainted VLI
> > EFLAGS: 00010256 (2.6.7-mm7-upkg1)
> > EIP is at __free_pages+0x31/0x40
> > eax: 00000000 ebx: f7faf2c0 ecx: c16e3d00 edx: 00000000
> > esi: f7fb2900 edi: f7fb28c0 ebp: 00000001 esp: f799fd70
> > ds: 007b es: 007b ss: 0068
> > Process hald (pid: 2748, threadinfo=f799e000 task=f7891190)
> > Stack: c015276d fffffff2 f7c02a64 00000000 f799fe18 f7c02a64 c0246a5a
> > f799fea4
> > 00007425 c0249dbe 00000020 f7fb2900 f7feda80 f7c1097c 00000246
> > 00000000
> > 00000020 00000000 00000000 00000000 00000000 00000000 00000000
> > 00000000
> > Call Trace:
> > [<c015276d>] bio_uncopy_user+0x5d/0x90
> > [<c0246a5a>] blk_rq_unmap_user+0x3a/0x40
> > [<c0249dbe>] sg_io+0x23e/0x290
> > [<c024a260>] scsi_cmd_ioctl+0x1e0/0x390
>
> You're not using 2.6.7-mm7 virgin, it has no BUG() at that line. Care to
> fill in what code is around line 796 in mm/page_alloc.c?
Nevermind, I gather it's put_page_testzero(). Hmm double free, I'll take
a look.
--
Jens Axboe
prev parent reply other threads:[~2004-07-09 11:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-09 11:33 kernel BUG at mm/page_alloc.c:796 (2.6.7-mm7) Jürg Billeter
2004-07-09 11:42 ` Jens Axboe
2004-07-09 11:43 ` Jens Axboe [this message]
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