This looks like a continuation of bug 1497593. Nouveau not being thread safe.
The solution is to install a proprietary Nvidia driver instead. ** Summary changed: - /usr/bin/gnome-shell:11:pushbuf_dump:pushbuf_submit:pushbuf_flush:pushbuf_refn:nouveau_pushbuf_refn + gnome-shell crashed with SIGSEGV in pushbuf_dump() from pushbuf_submit() from pushbuf_flush() from pushbuf_refn() from nouveau_pushbuf_refn() ** Tags added: nouveau ** Summary changed: - gnome-shell crashed with SIGSEGV in pushbuf_dump() from pushbuf_submit() from pushbuf_flush() from pushbuf_refn() from nouveau_pushbuf_refn() + [nouveau] gnome-shell crashed with SIGSEGV in pushbuf_dump() from pushbuf_submit() from pushbuf_flush() from pushbuf_refn() from nouveau_pushbuf_refn() ** Package changed: gnome-shell (Ubuntu) => mesa (Ubuntu) ** Bug watch added: gitlab.freedesktop.org/mesa/mesa/-/issues #12319 https://gitlab.freedesktop.org/mesa/mesa/-/issues/12319 ** Also affects: mesa via https://gitlab.freedesktop.org/mesa/mesa/-/issues/12319 Importance: Unknown Status: Unknown ** Summary changed: - [nouveau] gnome-shell crashed with SIGSEGV in pushbuf_dump() from pushbuf_submit() from pushbuf_flush() from pushbuf_refn() from nouveau_pushbuf_refn() + [nouveau] Crash with SIGSEGV in pushbuf_dump() from pushbuf_submit() from pushbuf_flush() from pushbuf_refn() from nouveau_pushbuf_refn() ** Changed in: mesa (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/2099654 Title: [nouveau] Crash with SIGSEGV in pushbuf_dump() from pushbuf_submit() from pushbuf_flush() from pushbuf_refn() from nouveau_pushbuf_refn() To manage notifications about this bug go to: https://bugs.launchpad.net/mesa/+bug/2099654/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
