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] [thread-next>] [day] [month] [year] [list]
Date:	Tue, 12 Jun 2012 08:31:18 +0200
From:	Marco Berizzi <pupilla@...mail.com>
To:	<bhutchings@...arflare.com>
CC:	<netdev@...r.kernel.org>
Subject: RE: kernel ipsec error


bhutchings@...arflare.com wrote:
> On Mon, 2012-06-11 at 14:45 +0200, Marco Berizzi wrote:
> > Hello everybody.
> >
> > After 12 days uptime I got this message.
> > Linux is 3.3.5 32bit, running openswan
> > (this is an ipsec gateway/netfilter
> > firewall) and squid.
> >
> > Jun 11 12:53:02 Pleiadi kernel: SLUB: Unable to allocate memory on node -1 (gfp=0x20)
> > Jun 11 12:53:02 Pleiadi kernel: cache: kmalloc-2048, object size: 2048, buffer size: 2048, default order: 2, min order: 0
> > Jun 11 12:53:02 Pleiadi kernel: node 0: slabs: 61, objs: 476, free: 0
> > Jun 11 12:53:02 Pleiadi kernel: kworker/0:2: page allocation failure: order:0, mode:0x4020
>
> So a single page allocation in atomic (non-sleeping) context failed.
>
> [...]
> > Jun 11 12:53:02 Pleiadi kernel: Free swap = 130908kB
> > Jun 11 12:53:02 Pleiadi kernel: Total swap = 151164kB
> > Jun 11 12:53:02 Pleiadi kernel: 40944 pages RAM
> [...]
>
> Not too surprising with this little RAM available (swap didn't help
> since we couldn't wait for swap-out).

yes, this is really a very old hardware.

> There could be a memory leak, but you would need to read /proc/meminfo
> and /proc/slabinfo at intervals to work out whether that was the case.

Kindly, may you tell me which should be the intervals? One second? one minute?
 		 	   		  --
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists