From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"sandr8@gmail.com" <sandr8@gmail.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: xen-netfront: txqueues in a frozen state, no packets in the softqueue
Date: Fri, 17 Feb 2012 11:44:17 +0000 [thread overview]
Message-ID: <4F3E3D91.7020605@citrix.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1202171139330.7456@kaball-desktop>
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@lists.xensource.com
> http://lists.xensource.com/xen-devel
--
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com
next prev parent reply other threads:[~2012-02-17 11:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-17 11:41 xen-netfront: txqueues in a frozen state, no packets in the softqueue Stefano Stabellini
2012-02-17 11:44 ` Andrew Cooper [this message]
2012-02-17 20:15 ` Alessandro Salvatori
2012-02-17 20:17 ` Alessandro Salvatori
2012-02-17 20:43 ` Alessandro Salvatori
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