Re: [Xen-users] NFS problems in guest

[Birger Brunswiek <birger.b@xxxxxxx>]

Itai Tavor wrote:
> On 29/04/2006, at 2:05 AM, Birger Brunswiek wrote:
> 
>> Itai Tavor wrote:
>>> The symptom is that I can view the directory listing at the top level of
>>> the share, but if I try to enter any directory, or do any deep operation
>>> on the share (like du) I get:
>>>     ls: reading directory /mnt/test: Input/output error
>>>     nfs: server NAS not responding, still trying
>>>
>>> followed by a very long freeze... the NFS server doesn't show any
>>> problems.
>>
>> Can you "ping -s 1500 dumU's-ip" from dom0? If not it's probably the same
>> problem as I have, otherwise never mind.
> 
> Interesting... I can't ping any domain on this machine, including dom0,
> with a 1500 packet size - any "-s 1500" ping originating from or going
> to a Xen domain fails.
> 
> I can see from your 25/4 post that you analyzed the problem already so I
> won't bother doing that... definitely something's wrong there. But is it
> related to NFS?

Not at all. It is a fragmentation problem. Packets are defragmented by
ip_contrackt at the bridge but are then not fragmented when passed over. If I
remove that module on my machine everything is just fine.



_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users