On Wed, 2010-11-24 at 22:05 -0700, Jerry James wrote: > I have a collection of virtual machines that I use to test > cross-platform compatibility of some code I'm developing. Today, the > virtual machine I was working on kept getting slower and slower > whenever a window refresh was needed. It got to the point that > refreshing a terminal window was taking nearly half a second per line. > My eyes could easily track the refresh going on. Moving a window was > impossible, as I could see the entire window being redrawn, pixel by > pixel, and it would just keep going long after I had released the > mouse. Keys were repeating right and left, probably because of a > sequence like <KeyDown, refresh action that takes a really long time, > KeyUp>. > > I shut everything down, logged out, and even rebooted, to see if it > was some weird behavior caused by a recent update that had only partly > taken effect. When I started my VM back up, it was very snappy. But > then, over time, it got a little slower and a little slower, until > eventually I was back to watching refreshes happen line by line again. > > This never happened before today. I looked through the recent updates > my machine has received. All I can see that might be relevant was an > update to gtk-vnc-0.4.2-1.fc14.x86_64. The machine in question is a > quad-core Intel with 8GB of RAM and an Nvidia video card of some kind. > (Sorry, should have checked which one before leaving work.) The host > is fine; it's just the virtual machines I open with virt-manager that > are affected. I tried several, and they're all behaving like this > today, which argues for the problem being on the host side. > > Is anybody else seeing this? Is there any other component besides > gtk-vnc that I should examine as a possible source of the slowdown? VMs have been behaving like this for me in Rawhide at least for a while. Ever since I went from F14 to Rawhide. Not sure about F14. -- Adam Williamson Fedora QA Community Monkey IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org http://www.happyassassin.net -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
