Re: [Xen-devel] xen-netfront: txqueues in a frozen state, no packets in the softqueue

[Alessandro Salvatori <sandr8@xxxxxxxxx>]

we are using PV networking (and disk for what matters).

thanks!
-Alessandro-
 Here i am, A young man,
 A crashing computer program,
 Here is a pen, write out my name...

(from: The Servant - Orchestra)

On Fri, Feb 17, 2012 at 03:44, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> XenServer had an issue which looked a little like this.
>
> The fix was
> http://xenbits.xensource.com/hg/xen-unstable.hg/rev/02b92d035f64 , but
> if you are using PV guests then this is certainly not the same issue.
>
> ~Andrew
>
> On 17/02/12 11:41, Stefano Stabellini wrote:
>> Forwarding this email to xen-devel with a proper subject.
>>
>>
>> ---------- Forwarded message ----------
>> Stefano,
>>
>>    after a few days running traffic, we are seeing that one of the
>> linux netdevice txqueues has gone into a frozen state and any packet
>> that you give from there onwards is always queued to a softqueue and
>> is never put into the xen-netfront txqueue...
>>
>> it also looks like xen-netfront is not registering a timeout callback
>> and this may lead to a crash if the callback ever gets invoked.
>>
>> do you happen to know if this has been seen before and if there was a
>> fix for it?
>>
>> we are currently running with linux-3.0.9.
>>
>> Thank you!
>> -Alessandro-
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>
> --
> Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
> T: +44 (0)1223 225 900, http://www.citrix.com
>

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