On Fri, Oct 07, 2016 at 10:38:17AM -0300, Gaston Gonzalez wrote: > On Wed, Oct 05, 2016 at 07:23:23AM +0200, Greg KH wrote: > > On Tue, Oct 04, 2016 at 08:43:03PM -0300, Gaston Gonzalez wrote: > > > Hi, > > > > > > After hibernation I get the following error when I tried to connect to monitor > > > through hdmi: > > > > > > $ xrandr --output LVDS1 --off --output HDMI1 --auto > > > xrandr: Configure crtc 1 failed > > > > > > This does not happen in kernel in kernel v4.6.7 but do happen in kernels v4.7.4 > > > and v4.8.0 > > > > Ah, can you use 'git bisect' to track down the offending patch? > > > > Also, if you let the graphics driver authors know, they are probably the > > best ones to help out with this, not the "generic" stable mailing list. > > > > thanks, > > > > greg k-h > > Hello, > > The culprit commit seems to be: > > commit: ed4a6a7 > drm/i915: Add two-stage ILK-style watermark programming > > Attached the bisection log. > > Let me know if additional test or bisect is needed. > > Best regards, > > Gaston > git bisect start '--' 'drivers/gpu/drm/' > # good: [096998b11906dd79df5af4d688c9974342dd09f2] Linux 4.6.7 > git bisect good 096998b11906dd79df5af4d688c9974342dd09f2 > # bad: [c8d2bc9bc39ebea8437fd974fdbc21847bb897a3] Linux 4.8 > git bisect bad c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 > # good: [2dcd0af568b0cf583645c8a317dd12e344b1c72a] Linux 4.6 > git bisect good 2dcd0af568b0cf583645c8a317dd12e344b1c72a > # bad: [3c85f20a289d044f303f473ee6ab7502303fc3b0] Merge tag 'omapdrm-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next > git bisect bad 3c85f20a289d044f303f473ee6ab7502303fc3b0 > # bad: [a64424d722504926f3375bc4887976e3bfe3a01d] Merge branch 'drm-next-4.7' of git://people.freedesktop.org/~agd5f/linux into drm-next > git bisect bad a64424d722504926f3375bc4887976e3bfe3a01d > # bad: [b5bf0f1ea3658254bd72ef64abc97786e8a32255] drm/exynos: clean up register definions for fimd and decon > git bisect bad b5bf0f1ea3658254bd72ef64abc97786e8a32255 > # bad: [27878ede4fec7b929c3010710ba4d55c617c621d] drm/i915: Throw out BUGs from DPLL/PCH functions > git bisect bad 27878ede4fec7b929c3010710ba4d55c617c621d > # bad: [72341af4285ae1337c0dfdfa3e68318b52b8757c] drm/i915: hide away VBT private data in a separate header > git bisect bad 72341af4285ae1337c0dfdfa3e68318b52b8757c > # bad: [71f0a626143368b8aead361ffaff7e36d043fd8e] drm/i915: Only use sanitized values for ILK watermarks > git bisect bad 71f0a626143368b8aead361ffaff7e36d043fd8e > # bad: [66e2c4c39cc37beaccc24c9d14c75d627fce9cf4] drm/i915/gen9: Disable DC states if power well support is disabled > git bisect bad 66e2c4c39cc37beaccc24c9d14c75d627fce9cf4 > # bad: [4f2d9934bd6ac73950832c96b385822846670668] drm/i915: Pass drm_frambuffer to intel_compute_page_offset() > git bisect bad 4f2d9934bd6ac73950832c96b385822846670668 > # bad: [1d5bf5d9d9ef0c1e639d36178a224d83888c5a29] drm/i915: Add missing NULL check before calling initial_watermarks > git bisect bad 1d5bf5d9d9ef0c1e639d36178a224d83888c5a29 > # bad: [d9f8e52b22454a30aaaf26b7ef029598b30abf8e] drm/i915: remove dead code > git bisect bad d9f8e52b22454a30aaaf26b7ef029598b30abf8e > # bad: [c3454d575da162cd310d9b83696baefb29d10a70] drm/i915: remove left over dead code > git bisect bad c3454d575da162cd310d9b83696baefb29d10a70 > # bad: [ed4a6a7ca853253f9b86f3005d76345482a71283] drm/i915: Add two-stage ILK-style watermark programming (v11) > git bisect bad ed4a6a7ca853253f9b86f3005d76345482a71283 > # first bad commit: [ed4a6a7ca853253f9b86f3005d76345482a71283] drm/i915: Add two-stage ILK-style watermark programming (v11) Nothing from the graphics developers? Come on, here is someone who found a specific patch that causes a problem, and no one responds? Why isn't this fixed by reverting the above mentioned patch in Linus's tree already? Or, is there something else that needs to be done? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html