From: Sebastien ESTIENNE <sebest@ovibes.net>
To: Harald Welte <laforge@netfilter.org>
Cc: linux-kernel@vger.kernel.org,
netfilter-devel@lists.netfilter.org, netdev@oss.sgi.com
Subject: Re: kernel 2.6.7 -> page allocation failure. order:1, mode:0x20 (netfilter?)
Date: Tue, 20 Jul 2004 11:06:51 +0200 [thread overview]
Message-ID: <1090314411.13005.2.camel@localhost.localdomain> (raw)
In-Reply-To: <20040720024741.GF27487@obroa-skai.de.gnumonks.org>
Le mar 20/07/2004 à 04:47, Harald Welte a écrit :
> On Mon, Jul 19, 2004 at 11:27:26AM +0200, Sebastien ESTIENNE wrote:
> > Hello,
> > i have some "swapper: page allocation failure. order:1, mode:0x20"
> > followed by kernel message,
> >
> > the hardware is a dell poweredge 1750
> > the kernel is a 2.6.7 vanilla
> >
> > here for a dmesg
> > http://213.41.75.25/kernel/dmesg.txt
> the chunk below seems like a standard code path for a locally-generated
> outgoing packet:
>
> > [<c028ac94>] skb_checksum_help+0x52/0x136
> > [<e094fb79>] ip_nat_fn+0x269/0x27a [iptable_nat]
> > [<e094fcb3>] ip_nat_local_fn+0x7b/0xaa [iptable_nat]
> > [<c028708e>] tcp_sendmsg+0x509/0x10f7
> > [<c0121872>] tasklet_action+0x65/0xae
> > [<c01065da>] apic_timer_interrupt+0x1a/0x20
> > [<c02ad977>] dst_output+0x0/0x29
> > [<c028708e>] inet_sendmsg+0x4d/0x59
> > [<c026498f>] dst_output+0x0/0x29
> > [<c0276a40>] sock_aio_write+0xbd/0xdd
> > [<c015902c>] do_sync_write+0x8b/0xb7
> > [<c01da1ac>] nf_iterate+0x71/0xa2
> > [<c028708e>] copy_from_user+0x42/0x6e
> > [<c0159140>] vfs_write+0xe8/0x119
> > [<c0159216>] sys_write+0x42/0x63
> > [<c0105beb>] syscall_call+0x7/0xb
>
>
> what's worrying me is the part above... how would skb_checksum_help
> directly end up in copy_from_user()?
>
> > swapper: page allocation failure. order:1, mode:0x20
> > [<c013d770>] __alloc_pages+0x2da/0x34a
> > [<c013d805>] __get_free_pages+0x25/0x3f
> > [<c0140e28>] kmem_getpages+0x2b/0xdc
> > [<c0141bfc>] kfree_skbmem+0x24/0x2c
> > [<c0141c5d>] cache_grow+0xe5/0x2a4
> > [<c0141f8a>] cache_grow+0x146/0x2a4
> > [<c0295917>] cache_alloc_refill+0x1cf/0x29f
> > [<c014262a>] __kmalloc+0x85/0x8c
> > [<c02681f1>] tcp_transmit_skb+0x411/0x68a
> > [<c0296621>] alloc_skb+0x47/0xe0
> > [<c026875e>] tcp_write_xmit+0x16d/0x2d6
> > [<c01da1ac>] skb_copy+0x33/0xde
> > [<c026ca5b>] copy_from_user+0x42/0x6e
>
> Does anybody have a clue what's going on?
I was running apache bench v2 on localhost
And Shorewall firewall script is installed on it (version 2.0.4)
iptables version 2.0.4
hope it can help
next prev parent reply other threads:[~2004-07-20 9:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-19 9:27 kernel 2.6.7 -> page allocation failure. order:1, mode:0x20 (netfilter?) Sebastien ESTIENNE
2004-07-20 2:47 ` Harald Welte
2004-07-20 9:06 ` Sebastien ESTIENNE [this message]
2004-07-26 0:59 ` Andrew Morton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1090314411.13005.2.camel@localhost.localdomain \
--to=sebest@ovibes.net \
--cc=laforge@netfilter.org \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@oss.sgi.com \
--cc=netfilter-devel@lists.netfilter.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.