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Re: [Xen-devel] [libvirt test] 58119: regressions - FAIL



On Tue, 2015-06-23 at 12:15 +0100, Anthony PERARD wrote:
> On Mon, Jun 08, 2015 at 10:22:28AM +0100, Ian Campbell wrote:
> > On Mon, 2015-06-08 at 04:37 +0000, osstest service user wrote:
> > > flight 58119 libvirt real [real]
> > > http://logs.test-lab.xenproject.org/osstest/logs/58119/
> > > 
> > > Regressions :-(
> > > 
> > > Tests which did not succeed and are blocking,
> > > including tests which could not be run:
> > 
> > This has been failing for a while now, sorry for not brining it to your
> > attention sooner.
> 
> > libxl: debug: libxl_event.c:638:libxl__ev_xswatch_deregister: watch 
> > w=0x7f805c25b248 wpath=/local/domain/0/device-model/1/state token=3/0: 
> > deregister slotnum=3
> > libxl: error: libxl_exec.c:393:spawn_watch_event: domain 1 device model: 
> > startup timed out
> > libxl: debug: libxl_event.c:652:libxl__ev_xswatch_deregister: watch 
> > w=0x7f805c25b248: deregister unregistered
> > libxl: debug: libxl_event.c:652:libxl__ev_xswatch_deregister: watch 
> > w=0x7f805c25b248: deregister unregistered
> > libxl: error: libxl_dm.c:1564:device_model_spawn_outcome: domain 1 device 
> > model: spawn failed (rc=-3)
> > libxl: error: libxl_create.c:1373:domcreate_devmodel_started: device model 
> > did not start: -3
> 
> Hi,
> 
> I've tried to debug this "device model: startup time out" issue that I'm
> seeing on OpenStack. What I've done is strace every single QEMU. It appear
> that QEMU take more than 10s to load...

FWIW I've started running some adhoc osstest jobs on the Cambridge
instance too, first time everything passed. The second attempt I forced
onto the *-frog machines which are "AMD Opteron(tm) Processor 6168"
processors which is as close as I can get to the "AMD Opteron(tm)
Processor 6376" ones in merlot* and they also passed. That's not enough
data to really be going on though.

Do you happen to know what h/w the openstack tests run on? It is using
nested virt, is that right?

Given that merlot* seems to have some sort of barking NUMA configuration
SNAFU I wouldn't necessarily rule out "it's just really slow".

10s does seem _very_ slow though, on an essentially idle system, no
matter how bad it's NUMA-ness is setup...

Ian.


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