Bug 80478

Sorry seems I clicked to early... 


Practically screen freezes for few seconds fom time to time 
in dmesg I find the following message

[  184.928295] [drm] stuck on render ring
[  184.928847] [drm] GPU HANG: ecode 0:0x85ffbcfa, in Xorg [1008], reason: Ring hung, action: reset
[  184.928851] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[  184.928852] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[  184.928853] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[  184.928854] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[  184.928856] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  186.930951] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off


the full dmesg | grep drm 
follows
[alin@abaddon:~]: dmesg | grep drm 
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.15.1-2.g7d71861-desktop root=UUID=ceee340b-13a5-4446-abb5-0adf49241578 i915.i915_enable_rc6=7 i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 i915.semaphores=1 splash=silent quiet showopts
[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.15.1-2.g7d71861-desktop root=UUID=ceee340b-13a5-4446-abb5-0adf49241578 i915.i915_enable_rc6=7 i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 i915.semaphores=1 splash=silent quiet showopts
[    1.245576] [drm] Initialized drm 1.1.0 20060810
[    1.261951] [drm] Memory usable by graphics device = 2048M
[    1.261958] fb: switching to inteldrmfb from VESA VGA
[    1.295863] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.295864] [drm] Driver supports precise vblank timestamp query.
[    1.385980] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2
[    1.873365] fbcon: inteldrmfb (fb0) is primary device
[    2.714865] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
[    2.882377] [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up
[    3.349796] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    3.357497] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[  184.928295] [drm] stuck on render ring
[  184.928847] [drm] GPU HANG: ecode 0:0x85ffbcfa, in Xorg [1008], reason: Ring hung, action: reset
[  184.928851] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[  184.928852] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[  184.928853] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[  184.928854] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[  184.928856] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  186.930951] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off


I have also attached the content of the error.
regards,
Alin

Created attachment 101670 [details]
error from /sys/class/drm/card0/error

Update mesa, report back.

is mesa from git... pulled yesterday.

updated the kernel to 3.16.0-rc2-1.g37599aa-desktop and Mesa to yesterday git... 
the error is the same? I have attached the sys error

[alin@abaddon:~]: dmesg | grep drm 
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.16.0-rc2-1.g37599aa-desktop root=UUID=ceee340b-13a5-4446-abb5-0adf49241578 i915.i915_enable_rc6=7 i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 i915.semaphores=1 splash=silent quiet showopts
[    0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.16.0-rc2-1.g37599aa-desktop root=UUID=ceee340b-13a5-4446-abb5-0adf49241578 i915.i915_enable_rc6=7 i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 i915.semaphores=1 splash=silent quiet showopts
[    1.226380] [drm] Initialized drm 1.1.0 20060810
[    1.232104] [drm] Memory usable by graphics device = 2048M
[    1.232107] [drm] Replacing VGA console driver
[    1.232122] fb: switching to inteldrmfb from VESA VGA
[    1.239511] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.239513] [drm] Driver supports precise vblank timestamp query.
[    1.264382] [drm] seamless DRRS supported for eDP panel.
[    1.332566] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2
[    1.380005] fbcon: inteldrmfb (fb0) is primary device
[    2.389379] [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up
[    2.609023] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    2.650930] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[    2.725490] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
[  933.772046] [drm] stuck on render ring
[  933.772660] [drm] GPU HANG: ecode 0:0x85ff9cfa, in Xorg [840], reason: Ring hung, action: reset
[  933.772665] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[  933.772667] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[  933.772671] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[  933.772672] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[  933.772674] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  935.774780] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
[ 1022.868279] [drm] stuck on render ring
[ 1022.868893] [drm] GPU HANG: ecode 0:0x85ff9ffa, in Xorg [840], reason: Ring hung, action: reset
[ 1024.871020] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
[ 1240.354164] [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up

Created attachment 101792 [details]
/sys/class/drm/card0/error 3.16.0-rc2-1.g37599aa-desktop

*** This bug has been marked as a duplicate of bug 80913 ***