I have updated my initial post to note that flatpak versions are not affected.
** Description changed: I have installed Firefox snap version in order to be able to post the bug report on that program, but the bug or problem affects all browsers - based on Firefox. + based on Firefox that I was able to test, with the notable exception of + the flatpak versions. Firefox (snap and local) and browsers based on current Firefox, as well - as nightly version of Firefox don't work after update to Kubuntu 24.04. - This happens in both X11 and Wayland sessions, with both empty/new - profile and my customized one. + as nightly version of Firefox (installed as deb or local/portable) don't + work after update to Kubuntu 24.04. This happens in both X11 and Wayland + sessions, with both empty/new profile and my customized one. The errors are of the form: `[Parent 35161, IPC I/O Parent] WARNING: process 35276 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35303 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35315 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35325 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35336 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35345 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35354 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35364 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35368 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265` More details on other browsers: https://unix.stackexchange.com/q/771657/341192 - Description: Ubuntu Noble Numbat (development branch) Release: 24.04 - Programs affected in basically the same way are: Firefox 123 snap, Firefox 123 (local/portable), Firefox 125 nightly, Midori 11.2 (Firefox-based), Waterfox G6.0.9. - - Note that Palemoon and SeaMonkey are NOT affected. Chrome-based-browsers are not affected. + Programs affected in basically the same way are: Firefox 123 snap, + Firefox 123 (local/portable), Firefox 125 nightly, Midori 11.2 (Firefox- + based), Waterfox G6.0.9. + + Note that Palemoon and SeaMonkey are NOT affected. Chrome-based-browsers + are not affected. + + Flatpak versions of Firefox 123 and Floorp (Firefox-ESR-based) are NOT + affected by this. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/2056190 Title: Tabs of Firefox (and Firefox-based browsers) crash in Kubuntu 24.04 Status in firefox package in Ubuntu: New Bug description: I have installed Firefox snap version in order to be able to post the bug report on that program, but the bug or problem affects all browsers based on Firefox that I was able to test, with the notable exception of the flatpak versions. Firefox (snap and local) and browsers based on current Firefox, as well as nightly version of Firefox (installed as deb or local/portable) don't work after update to Kubuntu 24.04. This happens in both X11 and Wayland sessions, with both empty/new profile and my customized one. The errors are of the form: `[Parent 35161, IPC I/O Parent] WARNING: process 35276 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35303 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35315 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35325 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35336 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35345 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35354 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35364 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265 [Parent 35161, IPC I/O Parent] WARNING: process 35368 exited on signal 11: file /builds/worker/checkouts/gecko/ipc/chromium/src/base/process_util_posix.cc:265` More details on other browsers: https://unix.stackexchange.com/q/771657/341192 Description: Ubuntu Noble Numbat (development branch) Release: 24.04 Programs affected in basically the same way are: Firefox 123 snap, Firefox 123 (local/portable), Firefox 125 nightly, Midori 11.2 (Firefox-based), Waterfox G6.0.9. Note that Palemoon and SeaMonkey are NOT affected. Chrome-based- browsers are not affected. Flatpak versions of Firefox 123 and Floorp (Firefox-ESR-based) are NOT affected by this. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2056190/+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