Tested with linux kernel 5.11.0-31-generic and drivers updated from MESA 21.0 to 21.3 using the oibaf PPA. This problem persist
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/1936047 Title: [snap] GUI not show. Thunderbird snap won't open with AMD Ryzen 4750 Pro (Ubuntu 21.04) Status in thunderbird package in Ubuntu: Confirmed Bug description: In a laptop Thinkpad t14s AMD 4750 PRO (Renoir GPU) with Ubuntu 21.04 (5.11.0-22-generic) When opening Thunderbird Snap, from GUI menu or from command line, 2 processes are opened, and the program GUI is not displayed. eduardo@edu-ThinkPad-T14s:~$ pgrep -a thunderbird 9173 /snap/thunderbird/127/thunderbird-bin 9253 /snap/thunderbird/127/thunderbird-bin Killing the last process allows the program GUI to start fully and be displayed. Thunderbird Snap version: Name........Version.Rev.Tracking.....Publisher thunderbird 78.11.0 12 latest/stable canonical✓ Here are the jurnalctl -t audit -f logs jul 13 21:38:41 edu-ThinkPad-T14s audit[8630]: AVC apparmor="DENIED" operation="capable" profile="/snap/snapd/12398/usr/lib/snapd/snap-confine" pid=8630 comm="snap-confine" capability=4 capname="fsetid" jul 13 21:38:47 edu-ThinkPad-T14s audit[8630]: SECCOMP auid=1000 uid=1000 gid=1000 ses=3 subj=snap.thunderbird.thunderbird pid=8630 comm=64636F6E6620776F726B6572 exe="/snap/thunderbird/127/thunderbird-bin" sig=0 arch=c000003e syscall=314 compat=0 ip=0x7f5c7f6b1639 code=0x50000 jul 13 21:41:32 edu-ThinkPad-T14s audit[9016]: SECCOMP auid=1000 uid=1000 gid=1000 ses=3 subj=snap.firefox.firefox pid=9016 comm="MainThread" exe="/snap/firefox/558/firefox-bin" sig=0 arch=c000003e syscall=314 compat=0 ip=0x7fd5bdfa8639 code=0x50000 jul 13 21:43:54 edu-ThinkPad-T14s audit[9173]: SECCOMP auid=1000 uid=1000 gid=1000 ses=3 subj=snap.thunderbird.thunderbird pid=9173 comm=64636F6E6620776F726B6572 exe="/snap/thunderbird/127/thunderbird-bin" sig=0 arch=c000003e syscall=314 compat=0 ip=0x7fc72440b639 code=0x50000 jul 13 21:53:44 edu-ThinkPad-T14s audit[9788]: SECCOMP auid=1000 uid=1000 gid=1000 ses=3 subj=snap.thunderbird.thunderbird pid=9788 comm=64636F6E6620776F726B6572 exe="/snap/thunderbird/127/thunderbird-bin" sig=0 arch=c000003e syscall=314 compat=0 ip=0x7f09bf711639 code=0x50000 After killing the last process the GUI its fully loaded and thunderbird snap work. This is a related Answer form Launchpad https://answers.launchpad.net/snappy/+question/697307 Maybe its something with new amdgpu drivers, since in another laptop (thinkpad t460 intel with Ubuntu 21.04) this does not happen. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1936047/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
