[Spice-devel] Possible Windows vdagent problems
John A. Sullivan III
jsullivan at opensourcedevel.com
Sat Jul 9 08:24:00 PDT 2011
On Fri, 2011-07-08 at 22:25 -0400, John A. Sullivan III wrote:
> On Tue, 2011-07-05 at 10:49 -0400, John A. Sullivan III wrote:
> > On Tue, 2011-07-05 at 12:31 +0300, Arnon Gilboa wrote:
> > > John A. Sullivan III wrote:
> > > > On Tue, 2011-07-05 at 09:44 +0300, Arnon Gilboa wrote:
> > > >
> > > >> Hi John,
> > > >> See my comments below.
> > > >> Arnon
> > > >>
> > > >> John A. Sullivan III wrote:
> > > >>
> > > >>> Hello, all. I'm spinning this off of the "Unfair Comparisons with RDP"
> > > >>> thread as that one is getting a bit long. However, in it, Yaniv
> > > >>> identified that we were not using vdagent in our Windows guest based
> > > >>> upon the packet traces we submitted. That sounded plausible as we have
> > > >>> noticed the agent being quite unstable. We are often unable to connect
> > > >>> or the session seems to die. We then connect as administrator via RDP
> > > >>> and restart the RHEV Spice Agent and all is well again.
> > > >>>
> > > >>>
> > > >> Can you please be more specific with regards to "agent being quite
> > > >> unstable"?
> > > >> Please describe the problems, and we'll try to solve them.
> > > >>
> > > >
> > > > Alas, there is not more than I have already said. Often, when we try to
> > > > access the guest via SPICE, we simply get a black screen and then a
> > > > connection timeout. We connect to the guest via RDP as admin, restart
> > > > RHEV Spice Agent service and we are then able to login. Every once in a
> > > > while, the SPICE client stops responding. We restart the RHEV Spice
> > > > Agent service as described and we are now able to work again. There is
> > > > nothing in event logs to indicate there was a problem.
> > > >
> > > >
> > > Try disabling power saving / sleep in your guest and see if it still
> > > reproduced.
> > > In case it still happens, please send your %windir%\temp\vdservice.log &
> > > %windir%\temp\vdagemt.log files.
> > > >> <snip>> So then I thought our qemu configuration must be off or the needed
> > > >>
> > <snip>
> > Alas, it has happened again. I was not able to open a spice session -
> > just a black screen followed by "Error: unhandled exception: vdagent
> > timeout". I double checked the Power Settings while unable to login and
> > they were indeed on high performance with suspend video set to never.
> >
> > I can also add that the keyboard was extremely lagged in SPICE. I was
> > using it without disabling effects so I exited and went in via RDP and
> > noticed no lag. I also ran background pings to see if we had problems
> > on the connection and it was quite healthy. I then tried SPICE again
> > disabling all effects. That's when I noticed I could not get in. I
> > restarted RHEV Spice Agent and was now able to get in with effects
> > disabled but it was still very lagged. It had clearly disabled effects;
> > the difference in the font rendering was quite noticeable. I exited
> > again and tried via RDP and there was no lag. I then tried connecting
> > again and once again got only the black screen.
> >
> > It was at that point that I grabbed the attached logs. I then restarted
> > the agent again, went in via SPICE without disabling effects and the
> > response is much better now although keyboarding is still noticeably
> > less crisp than RDP.
> >
> > The logs look like they do not contain sensitive information so I have
> > attached them herewith. Thanks - John
> <snip>
> Alas, it has happened again for the first time in a few days. I've
> attached the logs. How do we figure out what is wrong and stabilize
> this? Thanks - John
<snip>
Happened again this morning - logs attached. Interestingly, the service
log does not seem to be updated since I logged off last night. Is it
helpful to keep sending these logs? I don't want to SPAM the list.
Thanks - John
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