Ok, the problem is recurring again, so I've gathered a backtrace with that dbgsym package installed, hopefully it provides more insight as to where things are getting blocked up.
** Attachment added: "gdb-nautilus-2020-10-19.txt" https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1891712/+attachment/5424433/+files/gdb-nautilus-2020-10-19.txt -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1891712 Title: nautilus takes ages to start up when not already running Status in nautilus package in Ubuntu: Expired Bug description: I'm filing this bug separately because it appears to be distinct from #1063282, but the root cause may be similar. when I start nautilus and it's not already running, it can take an extremely long time to start, up to even 2m before a file browser appears. as well, opening certainly locations (like the trash, or network shares) can also take another huge span of time before they complete. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: nautilus 1:3.36.3-0ubuntu1 ProcVersionSignature: Ubuntu 5.4.0-42.46-lowlatency 5.4.44 Uname: Linux 5.4.0-42-lowlatency x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.6 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Fri Aug 14 13:21:04 2020 InstallationDate: Installed on 2020-07-15 (30 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) SourcePackage: nautilus UpgradeStatus: No upgrade log present (probably fresh install) usr_lib_nautilus: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1891712/+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