On Thu, Oct 31, 2019 at 05:24:52PM +0100, Michel Dänzer wrote: > 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.
Thanks for the info. Seems that this has already been reported against the nouveau driver, [Xorg crashes randomly because of memory leak] https://bugs.freedesktop.org/show_bug.cgi?id=110714 Bad news in that bug report are that 1.20.5 is reported not helping. Regards, -- Agustin

