| Summary: | [BSW] gnome-session fail to launch with black screen showing | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | wendy.wang | ||||||||
| Component: | DRM/Intel | Assignee: | David Weinehall <david.weinehall> | ||||||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||||
| Severity: | normal | ||||||||||
| Priority: | medium | CC: | david.weinehall, eero.t.tamminen, intel-gfx-bugs | ||||||||
| Version: | XOrg git | ||||||||||
| Hardware: | Other | ||||||||||
| OS: | All | ||||||||||
| Whiteboard: | |||||||||||
| i915 platform: | i915 features: | ||||||||||
| Attachments: |
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Created attachment 117640 [details]
dmesg log
You need to recompile your xf86 drivers (e.g. xf86-video-intel) and attach the drm.debug=6 dmesg. You have a combination of a lack of drivers preventing X from loading and a link training failure. You could give it a go for this patch and check if it helps https://patchwork.freedesktop.org/patch/56811/ Created attachment 117644 [details] [review] Ensure that the child_device_config struct is large enough Thanks for reporting this bug! Mika's patch should indeed fix this, but here's a more complete patch. Attached patch have been merged up, and verified latest drm-intel-nightly branch kernel has fix this issue on BSW, so close this issue as fixed. 2015-08-17 gfx sw stack driver: Libdrm: (master)libdrm-2.4.63-1-gf05a74fb9cb07a02c9bade65d66ba6949a2567a2 Mesa: (master)e32325fc85f0d1485dec63b363c18d76f4e89714 Xserver: (master)xorg-server-1.17.0-289-g533fb627398e20f863234d780f4463e37007515b Xf86_video_intel: (master)2.99.917-436-g9b0ed16385ae076c262a2e09639822d9488ccf57 Cairo: (master)2cf2d8e340a325adb205baf8e4bd64e1d1858008 Libva: (master)fdd6ee00c916f530e4d0aa1b250633643999dcf1 Libva_intel_driver: (master)7c47a8f74878904e0d2fbb5da966552f783d74ab Kernel: (drm-intel-nightly)e1561a55c386501a46bf43223dacc3b90b1dad88 For completeness, the history in v4.2 will be: commit 047fe6e6db9161e69271f56daaafdaf2add023b1 Author: David Weinehall <david.weinehall@linux.intel.com> Date: Tue Aug 4 16:55:52 2015 +0300 drm/i915: Allow parsing of variable size child device entries from VBT commit bf1a5fd2eccf20b19941b8461ce9c90899054bd5 Author: Jani Nikula <jani.nikula@intel.com> Date: Tue Aug 18 12:33:36 2015 +0300 Revert "drm/i915: Allow parsing of variable size child device entries from VBT" and for v4.3/drm-intel-next-fixes/nightly commit e2d6cf7f3696c87546f7fefe9bac79ee09db4bef Author: David Weinehall <david.weinehall@linux.intel.com> Date: Fri Aug 21 16:52:01 2015 +0300 drm/i915: Allow parsing of variable size child device entries from VBT Closing old verified. |
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Created attachment 117639 [details] xorg.log Test environment Failed platform: Braswell Regression? Should be one regression against GFX kernel, Try to bisect on drm-intel-next-queued branch, but cannot find bad commit. But on drm-intel-nightly, issue happened after August fifth Libdrm: (master)libdrm-2.4.62-106-gc8df9e724e9a2559d551fa93f13afe7084b6af3f Mesa: (master)42d283a0cc928a9e3ecddf1a90f9417ef1a34392 Xserver: (master)xorg-server-1.17.0-287-gea03e314f98e5d8ed7bf7a508006a3d84014bde5 Xf86_video_intel: (master)2.99.917-406-gbc063c9f4af90542297877281b1b9f4692dafde4 Cairo: (master)2cf2d8e340a325adb205baf8e4bd64e1d1858008 Kernel: (drm-intel-nightly)c0423306790589bed75fd75b0a9388b4b41e4a48 OS: Ubuntu 14.04 LTS gnome-session version 3.9.90 Reproduce steps: 1. Boot up system 2. Xinit & 3. Screen 4. Gnome-session & SUT fail to stat gnome-session with black screen showing.