> On 2021-07-27 9:08 a.m., old sixpack13 wrote: > .... > > On a hunch, I disabled the Lenovo deep C-state handling in the BIOS, > reinstalled using BTRFS again and mostly recovered from backups. ... If I get it right, a new install fixed it for you ? > > I have had the GUI lockup twice, and have attributed that to defective > hardware optimizations in Firefox, which I have now disabled. ... is your GPU from intel ? if so: - I get it too, sometimes while browsing with FF. - Crtl+Alt+F3 to get a console (?) and do dmesg => ...GPU Crash dump ... GPU hang... I guess it's known by Intel, e.g. there a bug report: https://gitlab.freedesktop.org/drm/intel/-/issues/3164 > John Mellor thanks for lightning fast answer ! _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure