Environment: --------------------- Kernel: (drm-intel-next-queued)fae5cbff3e3e4097de2e76178d462b90626c2bdb Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sun Jul 21 21:37:09 2013 +0200 drm/i915: clean up crtc timings computation Description: -------------------- This issue happens on HSW Harris Beach ULT, this machine has eDP and miniHDMI display ports. I tested extension mode under X and found that HDMI can clone eDP but eDP can't clone HDMI. The latter will cause system hang. Here I attach system boot dmesg and Xorg.0.log. Reproduce Steps: -------------------- 1. xinit& 2. xrandr --output eDP1 --left-of HDMI1 3. xrandr --output HDMI1 --same-as eDP1 --auto 4. xrandr --output eDP1 --right-of HDMI1 5. xrandr --output eDP1 --same-as HDMI1 --auto ----> system hang
Created attachment 83413 [details] System boot messages
Created attachment 83414 [details] Xorg.0.log
Have you checked for any output netconsole yet? A few old kernels? Optimistically this used to work and we can bisect the cause.
(In reply to comment #3) > Have you checked for any output netconsole yet? A few old kernels? This machine can only use USB network adapter, with which netconsole can't work. > Optimistically this used to work and we can bisect the cause. Yeah,this is a regression. I bisected this: 4906557eb37b7fef84fad4304acef6dedf919880 is the first bad commit commit 4906557eb37b7fef84fad4304acef6dedf919880 Author: Rodrigo Vivi <rodrigo.vivi@gmail.com> Date: Thu Jul 11 18:45:05 2013 -0300 drm/i915: Hook PSR functionality PSR must be enabled after transcoder and port are running. And it is only available for HSW. v2: move enable/disable to intel_ddi v3: The spec suggests PSR should be disabled even before backlight (by pzanoni) v4: also disabling and enabling whenever panel is disabled/enabled. v5: make it last patch to avoid breaking whenever bisecting. So calling for update and force exit came to this patch along with enable/disable calls. v6: Remove unused and unecessary psr_enable/disable calls, as notice by Paulo. CC: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> [danvet: Drop the psr exit code in the busy ioctl since I didn't merge that part of the infrastructure yet - it needs more thought.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> :040000 040000 df6a542740e60b0ae2ea72ea72caf0e3aed17869 5c326989834a202dd43030eb 4b6d69e1eb804ba2 M drivers
Ah, it is an oops in the middle of modeset. *** This bug has been marked as a duplicate of bug 67526 ***
Closing as duplicate of closed+fixed.
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