On 2019-10-31 3:11 p.m., Agustin Martin Domingo wrote: > Package: xserver-xorg-core > Version: 2:1.20.4-1 > Severity: important > > Dear Maintainer, > > X session crashes randomly, losing unsaved information. > > Xorg.0.log (attached below) shows that a segfault is aborting the server. > > Error starts with > > glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage > > Browsing for that error I found > > [Bug 110500 - X-Server crashes - GL error: GL_OUT_OF_MEMORY in > glTexSubImage ] > https://bugs.freedesktop.org/show_bug.cgi?id=110500 > > with a similar backtrace. > > Very similar backtraces (but for /usr/bin/Xwayland instead of > /usr/lib/xorg/modules/libglamoregl.so) are reported in > > [Sometimes my Ubuntu Log me out and close all applications] > https://gitlab.freedesktop.org/xorg/xserver/issues/833. > > and > > [https://gitlab.freedesktop.org/xorg/xserver/issues/647] > https://gitlab.freedesktop.org/xorg/xserver/issues/647 > > This last one seems already fixed upstream, and there is a suggestion that > Xwayland 1.20.5 contains the fix. Since I see libglamoregl.so in my > backtrace I am setting xserver-xorg-core as affected package. Please > reassign if aprppriate.
The root cause seems to be a memory leak in the nouveau drivers. While glamor can be made more robust against not being able to allocate/update OpenGL textures, at some point it won't be able to continue if no memory can be allocated, so it's better to address the leak. -- Earthling Michel Dänzer | https://redhat.com Libre software enthusiast | Mesa and X developer
