Re: 2.6.29.1: nfsd: page allocation failure - nfsd or kernelproblem?

[J. Bruce Fields]

On Wed, Jun 17, 2009 at 02:39:06PM +0400, Michael Tokarev wrote:
> Justin Piszcz wrote:
>>
>>
>> On Wed, 17 Jun 2009, Michael Tokarev wrote:
>>
>>> Michael Tokarev wrote:
>>>> Justin Piszcz wrote:
>>> ...
>>>
>>> Justin, by the way, what's the underlying filesystem on the server?
>>>
>>> I've seen this error on 2 machines already (both running 2.6.29.x  
>>> x86-64),
>>> and in both cases the filesystem on the server was xfs.  May this be
>>> related somehow to http://bugzilla.kernel.org/show_bug.cgi?id=13375 ?
>>> That one is different, but also about xfs and nfs.  I'm trying to
>>> reproduce the problem on different filesystem...
>>
>> Hello, I am also running XFS on 2.6.29.x x86-64.
>>
>> For me, the error happened when I was running an XFSDUMP from a client  
>> (and dumping) the stream over NFS to the XFS server/filesystem.  This 
>> is typically when the error occurs or during heavy I/O.
>
> Very similar load was here -- not xfsdump but tar and dump of an ext3
> filesystems.
>
> And no, it's NOT xfs-related: I can trigger the same issue easily on
> ext4 as well.  About 20 minutes of running 'dump' of another fs
> to the nfs mount and voila, nfs server reports the same page allocation
> failure.  Note that all file operations are still working, i.e. it
> produces good (not corrupted) files on the server.

There's a possibly related report for 2.6.30 here:

	http://bugzilla.kernel.org/show_bug.cgi?id=13518

--b.
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