Created attachment 122829 [details] drm error output On resume from suspend-to-disk, the system will sometimes have a GPU HANG in dmesg, and a subset of the GUI applications I use will segfault on load until the system is rebooted. OS: Archlinux Kernel: 4.4.5-1-ARCH Arch: x86_64 Hardware: Lenovo X200 xf86-video-intel-git: 2.99.917+560+gd167280-1 Steps to reproduce: - Cycle the system to suspend several times. -- This error usually occurs between three and ten suspends. -- I have terminator, firefox, and thunar open while doing this. - Launch Chromium, slic3r.pl, Blender, or openSCAD. The application will segfault.
Created attachment 122830 [details] dmesg output
Revised steps to reproduce: - Cycle the system to resume with any of the affected programs loaded and running. This problem appears to be instigated by having one of these programs running while the laptop is put into standby, rather than just after a small number of standby cycles. For now I just close any of these applications before packing the laptop away.
Adding QT Creator and Yakyak to the list of affected programs.
Does the problem persist with latest kernels?
I ran a quick test with four suspend cycles on kernel 4.6.2 and the issue hasn't reappeared. I'll continue to keep an eye on it this week while suspending without first closing the affected programs, but this bug appears to be fixed. Thank you for what you do.
Thanks for the follow-up!
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