Control: retitle -1 Black screen at dual monitor with warn from i915_gem_ww_ctx_backoff Control: reassign -1 src:mesa 20.3.4-1 Control: forwarded -1 https://gitlab.freedesktop.org/mesa/mesa/-/issues/790
Hi, On Mon, Mar 08, 2021 at 09:42:04PM +0100, Gert van de Kraats wrote: > because wayland itself needs 2 fence registers for 2 momitors i > and X11 only 1. > A trace without using wayland shows the 15th register is used without > giving any problem: > > Feb 24 20:10:59 debian systemd[1270]: Started GNOME Shell on X11. > > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 0 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 1 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 2 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 3 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 4 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 5 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 6 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 7 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 8 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 9 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 10 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 11 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 12 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 13 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 14 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 15 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 1 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 2 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 3 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 4 0 > Feb 24 20:11:29 debian gnome-shell[1505]: GK_intelClearWithBlit_fences 5 0 > ..... > .... > So this seems to be a mesa bug and an exact duplicate > of https://gitlab.freedesktop.org/mesa/mesa/-/issues/790 . > > Only the kernel-driver-error has changed and is misleading now. > > I add the mesa-2.3.4-patch I currently use, which solves the problem. > > Testing for register-overflow is done after updating the batch, If overflow > occurs > > the batch is restored to the situation before the last update, the buffer is > flushed > > and the batch again is updated with the last update. So reassigning this for now to src:mesa and updating the metadata. Regards, Salvatore
