Re: possible deadlock in kmem_alloc (mode:0x50)

[Nathan Scott <nathans@xxxxxxx>]

On Tue, Sep 28, 2004 at 07:20:28PM -0500, Chris Evert wrote:
> Hello,
> 
> I'm getting a bunch of these messages:
> 
> Sep 28 19:04:48 hod kernel: possible deadlock in kmem_alloc (mode:0x50)
> Sep 28 19:05:18 hod last message repeated 349087 times
> Sep 28 19:06:20 hod last message repeated 688880 times
> Sep 28 19:07:21 hod last message repeated 681742 times
> Sep 28 19:08:22 hod last message repeated 686647 times
> Sep 28 19:09:23 hod last message repeated 679838 times
> 
> I'm using kernel 2.6.8-1.521 (Fedora Core 2) and sharing the file system 
> via NFS.  I'm getting no oopses, just slow to no response to NFS requests.
> 
> Any clues?

/proc/slabinfo will hold some clues, send it over this way.
Also, try bumping up the value of /proc/sys/vm/vfs_cache_pressure.

cheers.

-- 
Nathan