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[drm] GPU HANG: ecode 0:0x87d3bffa, in compton  #233
Hi, I have this issue, freezing my screen for a time, randomly on my C720 chromebook with archlinux.
[ 7853.943556] [drm] stuck on render ring
Sorry for the late reply, firstly.
I would recommend you to submit a report to bugs.freedesktop.org, as stated in the message. Essentially as a developer of the application layer I couldn't really help much about an issue deep in the driver stack.
On this side, other things I could recommend:
I've got this, after I went to 3.16 kernel from 3.12.
"GPU HANG: ecode 0:0x87d3bffa, in compton , reason: Ring hung, action: reset"
Adding parameters to boot:
"i915.enable_rc6=1 i915.enable_fbc=1 i915.lvds_downclock=1 i915.semaphores=1"
seems working with this issue.
"drm.vblankoffdelay=1 i915.semaphores=0 i915.modeset=1 i915.use_mmio_flip=1 i915.enable_ppgtt=1"
After 24 houres no freezing so far :-)