I must add that, in the same Thinkpad t14s AMD 4750 PRO (Renoir GPU) with Ubuntu 20.04.2 LTS kernel 5.8 this problem does not happen.
this can be important because in august the Ubuntu LTS its going to upgrade the kernel (if I understand correctly) this can break the snap for a lot of AMD laptops users -- 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. Opening Thunderbird snap causes 2 processes to open (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
