As far as I know, Xvfb and --headless result in quite different environments, as the first will run in normal graphical mode and the latter won't.
I see no reason why this would affect your extension packing, however I have no experience with extensions in Chromium. Could the graphical environment be playing a role here? Did you try the natural ---> xvfb-run /snap/bin/chromium --class="ChrUnsnapped" --pack-extension=MyExt --pack-extension-key=MyExt.pem <--- instead? The snap won't have access to the system's /tmp, but I think you can work around that, at least for the sake of testing. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/2026200 Title: Snap update broke launching and printing on 20.04 Ubuntu. Status in chromium-browser package in Ubuntu: Invalid Status in cups package in Ubuntu: Incomplete Bug description: Two deployed ubuntu images, 20.04 and 22.04. Both images are fully updated. Issue appears to only impact 20.04. chrome snap version 2529 Launching chrome from menu shortcut that is managed by the snap works and it using this location /snap/bin/chromium Launching chrome from desktop shortcut that I manage on 20.04 fails - /snap/chromium/current/usr/lib/chromium-browser/chrome Updating the desktop shortcut with this location on 20.04 works - /snap/bin/chromium Try and print from the browser, print dialog in chrome does not list any system printers, only shows PDF. Doing the same on 22.04 image, I get a list of printers. CLI I run cups.lstat -v which works on 22.04, does not work on 20.04. 20.04 I get an error "cannot stat /var/lib/snapd/seccomp/bpf/snap.cups.lpstat.bin: No such file or directory" I've run these tests on multiple 20.04 and 22.04 machines and I'm getting 100% failure rate on 20.04. I get this error when running chrome from cli from this path on 20.04 /snap/chromium/current/usr/lib/chromium-browser which points to 2529 snap image. /snap/chromium/current/usr/lib/chromium-browser/chrome: /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.35' not found (required by /snap/chromium/current/usr/lib/chromium-browser/chrome) /snap/chromium/current/usr/lib/chromium-browser/chrome: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.32' not found (required by /snap/chromium/current/usr/lib/chromium-browser/chrome) /snap/chromium/current/usr/lib/chromium-browser/chrome: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.33' not found (required by /snap/chromium/current/usr/lib/chromium-browser/chrome) /snap/chromium/current/usr/lib/chromium-browser/chrome: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by /snap/chromium/current/usr/lib/chromium-browser/chrome) /snap/chromium/current/usr/lib/chromium-browser/chrome: /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.35' not found (required by /snap/chromium/2529/usr/lib/chromium-browser/libffmpeg.so) /snap/chromium/current/usr/lib/chromium-browser/chrome: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by /snap/chromium/2529/usr/lib/chromium-browser/libffmpeg.so) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/2026200/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp