Re: [win-pv-devel] load+stability tests result: Event 129 xenvbd

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: win-pv-devel [mailto:win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On
> Behalf Of Andreas Kinzler
> Sent: 19 January 2017 16:57
> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: [win-pv-devel] load+stability tests result: Event 129 xenvbd
> 
> Hello,
> 
> I am currently performing load + stability tests on the staging-8.2
> branch of winpv drivers. For disk tests I am using a 50000 MB ramdisk
> (module rd) in dom0 that I pass to a Windows 8.1 VM with winpv drivers.
> I generate multi-threaded load using my load generator NetDiskHash.
> 
> After 9 hours the disk is no longer accessible and the event log is
> filled with event 129 (timeout) messages. In dom0 everything seems OK.
> 
> Xen is 4.8.0, dom0 is 3.10.73. How can we debug that?
>

Do you have a qemu log? XENVBD will log to the qemu debug port, so we should be 
able to see what's going on from that.

Also, if you do an 'xl debug-keys q' in dom0, all the PV drivers will dump 
state to the qemu.log so we'd be able to see if the shared storage ring is 
stalled.

  Paul
 
> Regards Andreas
> 
> 
> 
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