Re: [Xen-users] HVM-WindowsXP DomU freezes 10 second while RDP-client try to connect to

jim burns
Sat, 31 May 2008 13:48:56 -0000

On Saturday May 31 2008 03:26:10 am Daniel Schwager
wrote:
> i installed an HVM WinXP-SP2 (english) on a xen-3.2.1.
>
> if I try to connect to the RDP-port, the winxp-DomU freeze for about 10
> seconds (can''t make any action on the vnc-viewer, all running
programs do
> not update there view (e.g. windows clock does not run) and the "xm
top"
> shows me 100% CPU load on this domain.
>
> After this 10 seconds, I got the normal rdp-login and all works fine ...
>
> I reinstalled the winxp from scratch with a german-version - the same
> behavior.
>
> a) IMPORTANT: Could somebody confirm this behavior ? Please try to connect
> via mstsc/rdeskop to your HVM-WindowsXP ... please try it.
>
> b) Does somebody could help me to track down this prob ?

Yeah, I''ve seen this. While I overwhelmingly recommend using linux
rdesktop to
connect to Windows over vnc, that''s it''s one drawback. Now, I
can live with a
10 sec freeze on initial connect, but it doesn''t stop there. Whenever I
minimize the rdesktop window and come back later, it takes a couple of
seconds for rdesktop to ''wake up'' - the previous contents of
the desktop,
including the old time, are still visible, usually for 5 secs or less, but
sometimes for 5 mins. I enabled icmp echo/reply in Windows Firewall
exceptions after the 5 min episode, just to convince myself that the domain
was still running, and the freezes have been much shorter ever since -
don''t
know if that''s related or not. (Btw, at the same time as the 5 min
freeze, a
vnc window was very much alive.)

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