| Summary: | [ivb regression] WARNING: at i915/intel_display.c:1656 ironlake_crtc_disable | ||||||||
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| Product: | DRI | Reporter: | Jiri Slaby <jirislaby> | ||||||
| Component: | DRM/Intel | Assignee: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||
| Severity: | normal | ||||||||
| Priority: | medium | ||||||||
| Version: | unspecified | ||||||||
| Hardware: | Other | ||||||||
| OS: | All | ||||||||
| Whiteboard: | |||||||||
| i915 platform: | i915 features: | ||||||||
| Attachments: |
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Yeah, that's already reported at https://lkml.org/lkml/2013/6/25/552 Should be fixed in 3.11/drm-next, can you please confirm that? The backport is too invasive and thus far we haven't seen a case where this state tracking mismatch resulted in real issue, so I think I'll just disable the WARN in 3.10. As a data point, I'm also getting this warning consistently on every cold boot, followed by an Oops every other boot when X starts. Created attachment 83277 [details]
Warning and subsequent Oops
(In reply to comment #3) > Created attachment 83277 [details] > Warning and subsequent Oops That one looks much more severe since the's a follow-up Oops. Roel, can you please file a new bug report for your issue (easier to keep track of things in case they turn out to be different bugs, which is rather likely here)? Please boot your kernel with drm.debug=0xe added to your bootline and attach the complete dmesg (after the Oops happened). Also if the Oops is a regression, attempting a bisect might be really useful. Thanks, Daniel Roel, please do grab a complete drm.debug=6 with a recent stable kernel (or preferably drm-intel-nightly) for your oops and file a separate bug. |
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Created attachment 81893 [details] dmesg I have two i915 warnings today with freshly booted 3.10. I think they occured during resume from disk... WARNING: at drivers/gpu/drm/i915/intel_display.c:1656 ironlake_crtc_disable and WARNING: at drivers/gpu/drm/i915/intel_display.c:1091 assert_pch_pll