On 2018-04-09, Greg Marks <gtma...@gmail.com> wrote: > I've been having a minor but mildly annoying problem. From time to > time, the entire MATE desktop will flash, and all open windows remain > open; however, the order in which their tabs appear in the bottom > panel is randomly rearranged. So, if I have 13 terminal windows open, > I can no longer quickly bring the one I want to the front until I've > arranged them back in the order in which I had them. I think this > only affects the Workspace I have open (but can't be completely > certain). It happens fairly infrequently. > > When this happens, I've discovered /var/log/syslog contains a message > like this: > > debian kernel: [605512.613750] mate-panel[3844]: > segfault at 1 ip 00007f5c90049823 sp 00007ffc68f6b6f0 > error 4 in libgtk-3.so.0.2200.11[7f5c8fca1000+700000] > > (The instruction pointer and the stack pointer values will vary, as > you'd expect.) I am running Debian 9, Linux kernel 4.6.0-1-amd64 > x86_64, with MATE 1.16.2 desktop; my computer has a PNY Quadro K620 > 2GB Video Card and is running libdrm-nouveau2 version 2.4.74-1 and > xserver-xorg-video-nouveau version 1:1.0.13-3. > > Can anyone suggest what causes this issue and how to prevent it? > > Best regards, Greg Marks >
It looks very much like this bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=884648
