Confirming this report on: Ubuntu 22.04 Host with: Lenovo Server Dual 16 Core CPUs (with hyperthreading == 64 CPUS) 384GB RAM Ubuntu 22.04 Libvirt 8.0.0 QEMU API 8.0.0 Hyervisor QEMU 6.2.0
Ubuntu 22.04 Desktop Guest with: Q35 VM with OVMF 4 x CPU 8192MB RAM Trying to run "snap Eclipse". UI performance is so bad that it is unusable. I have testing the same software configuration with Ubuntu 20.04 Quest with only 2 CPU/4096MB RAM and performance is very snappy and no issues. On my 22.04 quest I also have a lot of qxl errors in my kern.log: sudo grep 'drm:qxl_alloc' kern.log Sep 11 21:08:36 graphit kernel: [ 103.590807] [drm:qxl_alloc_bo_reserved [qxl]] *ERROR* failed to allocate VRAM BO Sep 11 21:11:09 graphit kernel: [ 256.682227] [drm:qxl_alloc_bo_reserved [qxl]] *ERROR* failed to allocate VRAM BO Sep 11 21:11:42 graphit kernel: [ 289.705678] [drm:qxl_alloc_bo_reserved [qxl]] *ERROR* failed to allocate VRAM BO Sep 11 21:12:00 graphit kernel: [ 307.625499] [drm:qxl_alloc_bo_reserved [qxl]] *ERROR* failed to allocate VRAM BO Sep 11 21:12:18 graphit kernel: [ 325.801386] [drm:qxl_alloc_bo_reserved [qxl]] *ERROR* failed to allocate VRAM BO ... ... I updated libvert vgamem as per your finding and now have workable VM again. So while there is work around I believe there should be some fix in libvirt/qemu to ensure that VM is configured with vgamem value that results in working VM. I have posted my testing in details here: https://tips.graphica.com.au/ubuntu-eclipse-snap-is-broken/ Thank you for posting the bug report. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-qxl in Ubuntu. https://bugs.launchpad.net/bugs/1972914 Title: frequent 15-sec guest freeze with ubuntu 22.04 host and guest To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-qxl/+bug/1972914/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
