Created attachment 118873 requested dmesg with drm.debug=14 Possibly relevant excerpt:
[ 399.518389] [drm] stuck on render ring [ 399.518686] [drm] GPU HANG: ecode 6:0:0xfeffffff, reason: Ring hung, action: reset [ 399.518686] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 399.518686] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 399.518687] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 399.518687] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 399.518687] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 399.518699] [drm:i915_reset_and_wakeup] resetting chip [ 399.518724] i915 0000:00:02.0: GEM idle failed, resume might fail [ 399.518737] pci_pm_suspend(): i915_pm_suspend+0x0/0x50 [i915] returns -11 [ 399.518739] dpm_run_callback(): pci_pm_suspend+0x0/0x160 returns -11 [ 399.518741] PM: Device 0000:00:02.0 failed to suspend async: error -11 [ 399.518804] PM: Some devices failed to suspend, or early wake event detected an edited /sys/class/drm/card0/error will be attached in a moment. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1504584 Title: As of kernel 4.3-rc1 system will not stay in S3 suspend To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1504584/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
