Re: 3.2.0 - page allocation failure: order:[2345] mode:0x20

From: Justin Piszcz
Date: Sat Mar 10 2012 - 14:41:08 EST


On Sat, Jan 21, 2012 at 9:38 PM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
> Hi,
>
> Question:
> Is the below normal or is this a kernel bug?
>
> Specs:
> Kernel: 3.2.0
> Arch: x86_64
> Dist: Debian Testing
>
> Running 3.2.0 on x86_64; generally little to no swap use depending on
> what is running (e.g., chrome)
> top--
> Mem:   7925172k total,  7401552k used,   523620k free,    74472k buffers
> Swap:  2097148k total,     6184k used,  2090964k free,  6384816k cached
>
> Lots of page allocation failures:
> [1434349.602309] sshd: page allocation failure: order:3, mode:0x20
> [1434366.128757] sshd: page allocation failure: order:2, mode:0x20
> [1434371.230589] sshd: page allocation failure: order:2, mode:0x20

Hi,

Update:

Found this..
http://lists.openwall.net/netdev/2011/11/28/25

More testing needed of course but no new page allocation errors (at
least not after 8-10+ hours) after disabling the following:
/sbin/ethtool -K eth0 gro off
/sbin/ethtool -K eth0 tso off

Justin.
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