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

[Andreas Kinzler <ml-ak@xxxxxxxxx>]

Hello Paul,

"good" news. I was able to reproduce the hang. Backend ist blkback on 
/dev/ram0. In the attached debug.zip you find the output of "xl dmesg", 
"dmesg" and the qemu log - everything with 'xl debug-keys q' pressed.
Regards Andreas


On 19.01.2017 19:25, Paul Durrant wrote:
> > -----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.

Attachment: debug.zip
Description: Zip archive

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