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Re: mate-panel segfault

On 2018-04-09, Greg Marks <gtmarks@xxxxxxxxx> 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: