Comment # 6
on bug 93895
from Azari
I have something new to report after doing more testing. It seems that if I launch weston with the pixman backend (weston --use-pixman), that works, but meanwhile, startx with 'exec twm' in .xinitrc doesn't work on first attempt, it causes the lockup. However, after the lockup, if i try to startx again (still with twm), it suddenly works and i can start applications in twm and use the desktop. I managed to reproduce this with Xfce as well, the first 'startxfce4' after bootup will fail and lockup the GPU, and after it resets, I try again and Xfce works. One thing of note is that when I finally do manage to get a DE started (after the GPU has locked up and reset once), glxinfo shows only "gallium on llvmpipe"; no hardware acceleration available. So whatever is causing the lockup is something that X does at startup (even when a minimal X window manager like twm is used), but weston-pixman doesn't do.
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