[CentOS] swapper: page allocation failure. order:1, mode:0x20
tony.molloy at ul.ie
Fri Oct 19 05:53:55 EDT 2012
On Thursday 18 October 2012 21:44:30 Tim Nelson wrote:
> I see this ocasionally on one of my CentOS 6.3 x64 systems:
> Oct 18 03:10:52 backup kernel: swapper: page allocation failure.
> order:1, mode:0x20 Oct 18 03:10:52 backup kernel: Pid: 0, comm:
> swapper Not tainted 2.6.32-279.9.1.el6.x86_64 #1 Oct 18 03:10:52
> backup kernel: Call Trace:
> Oct 18 03:10:52 backup kernel: <IRQ> [<ffffffff8112789f>] ?
> __alloc_pages_nodemask+0x77f/0x940 Oct 18 03:10:52 backup kernel:
> Any thoughts on the cause? The system has 16GB of RAM, and whenever
> checked, there is no swap usage. Is this a memory error (bad RAM)?
I have the same problem on a Dell PE R720 with 16GB of RAM doing lots
of networking. It's a file server. It was discussed on the
dell-poweredge mailing list last week
<linux-poweredge at dell.com>
The conclusion was that it was harmless but for a discussion and
possible workaround see
Hope this helps,
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