On Sun, Jul 20, 2025 at 10:39 AM Yann Dirson <ydir...@free.fr> wrote: > > Hello there, > > For a few months I've been experiencing occasional freezes of the X11 display > on my QubesOS RENOIR laptop. The setup is pretty much standard for QubesOS, > with both GPUs attached to dom0 and XFCE running there (and the dGPU being > mostly not used). Kernel is QubesOS' kernel-latest-6.15.4. > > Those freezes most often occur while the screen is blanked > by xscreensaver (suspend options fully deactivated here, as suspend is broken > on this platform): in this case moving the mouse does not get the unlock > banner > displayed, the screen stays black... except the mouse pointer is visible. I > can > also switch to other virtual consoles and interact with the system, but was > never able to collect any evidence of something wrong being detected. > > Occasionally it also happens (like yesterday) while I'm working, and the X11 > display just seems frozen, no clue if the input devices trigger anything in > there. > > I guess something goes wrong but gets undetected by the driver. Any > suggestion > as to extra logging/debug features to enable?
Is this specific to QubesOS or a general problem even on bare metal? Alex