If this particular issue only happens after resume, it looks like a Xorg resp. graphics driver issue.
Is this still reproducible with an up-to-date sid system? Could you attach your ~/.xsession-errors file and your Xorg.0.log file after such a crash. Do you get any relevant messages in your kernel log? Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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