The reason I mentioned jackd is the bug description shows a listing of crashes in /var/crash and there is one from July 8th:
CrashReports: 644:1000:124:0:2021-07-08 04:45:57.713189974 +0200:2021-07-08 04:45:57.713189974 +0200:/var/crash/_usr_bin_jackd.1000.upload 600:118:124:37:2021-07-08 04:46:00.914606508 +0200:2021-07-08 04:46:00.906605467 +0200:/var/crash/_usr_bin_jackd.1000.uploaded -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1935568 Title: after having a bug reported, locked screen, and coming back, ubuntu- bug -w leaves a gksudo dialog for dmesg open To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1935568/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs