linux-kernel - Re: [2.6.25.8] "kswapd0: page allocation failure. order:3" in tcp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20080710014143.e5d8c642.akpm@linux-foundation.org>
Date:	Thu, 10 Jul 2008 01:41:43 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Tilman Schmidt <tilman@...p.cc>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [2.6.25.8] "kswapd0: page allocation failure. order:3" in
 tcp_collapse

On Wed, 02 Jul 2008 00:30:30 +0200 Tilman Schmidt <tilman@...p.cc> wrote:

> My Intel Pentium D940 system, Intel DQ965GF mainboard, 2 GB RAM, running an
> x86_32 build of kernel release 2.6.25.8 with openSUSE 10.3 userland, produced
> the message in the subject accompanied by a stack backtrace, seven times in a
> row within a few milliseconds, during the nightly backup of a Windows system
> through Bacula over the LAN. The backup did not report an error, though, and
> everything else seems to be running normally, too.
> 
> The kernel is built with CONFIG_SLUB=y.
> 
> ...
> 
> Should I worry? File a bug? Post more details? 

e1000 driver has a lovely habit of allocating 32k of GFP_ATOMIC memory for
packets which are a quarter that size.  AFAIK it is unfixable.  It is a
well-known and oft-reported problem.  The system should recover OK.

> Just ignore it?

Learn to enjoy it ;)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/