Thanks. The above attachment suggests to me that this is a virtual machine or something unusual, because:
[ 34.403367] tomasz gnome-shell[1410]: Failed to initialize accelerated iGPU/dGPU framebuffer sharing: Do not want to use software renderer (llvmpipe (LLVM 9.0, 256 bits)), falling back to CPU copy path [ 34.918603] tomasz gnome-shell[1410]: glamor: 'wl_drm' not supported [ 34.918603] tomasz gnome-shell[1410]: Missing Wayland requirements for glamor GBM backend [ 34.918603] tomasz gnome-shell[1410]: Failed to initialize glamor, falling back to sw So that's where all the CPU is going... It's Mesa trying to use all the CPU cores to emulate a GPU in software. Probably. Next, please: 1. Run: lspci -k > lspcik.txt and attach the file 'lspcik.txt' 2. Run: glxinfo > glxinfo.txt and attach the file 'glxinfo.txt' 3. Tell us if you have any gnome-shell extensions installed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1850874 Title: gnome-shell 100% CPU usage on all cores when animated gif is displayed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1850874/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
