Public bug reported: Since linux kernel 5.7 Haswell GPU's hang after logging in with sddm. This affects Groovy (linux 5.8) both with Ubuntu and Kubuntu.
A work around is to boot with and earlier (5.6). The issue is known as: https://gitlab.freedesktop.org/drm/intel/-/issues/2413 and probable duplicates: https://gitlab.freedesktop.org/drm/intel/-/issues/2584 https://gitlab.freedesktop.org/drm/intel/-/issues/1805 Apparently the problem is resolved by: https://patchwork.freedesktop.org/patch/395580/?series=82783&rev=1 Please consider backporting this patch. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Affects: linux (Fedora) Importance: Unknown Status: Unknown ** Tags: groovy ** Bug watch added: Red Hat Bugzilla #1843274 https://bugzilla.redhat.com/show_bug.cgi?id=1843274 ** Also affects: linux (Fedora) via https://bugzilla.redhat.com/show_bug.cgi?id=1843274 Importance: Unknown Status: Unknown ** Tags added: groovy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904293 Title: [i915] GPU hangs on Haswell (Acer 720p) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1904293/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
