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Message-ID: <CAKMK7uGa_dHnie8EACcX0mQvc-uGpsgQHjWGN_obxPa3O6SJbw@mail.gmail.com> Date: Mon, 10 Nov 2014 22:19:05 +0100 From: Daniel Vetter <daniel.vetter@...ll.ch> To: Emmanuel Benisty <benisty.e@...il.com> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Dave Airlie <airlied@...ux.ie>, intel-gfx <intel-gfx@...ts.freedesktop.org>, dri-devel <dri-devel@...ts.freedesktop.org> Subject: Re: [Regression] 83f45fc turns machine's screen off Adding relevant mailing lists. On Sat, Nov 8, 2014 at 7:34 PM, Emmanuel Benisty <benisty.e@...il.com> wrote: > Hi, > > The following commit permanently turns my screen off when x server is > started (i3 330M Ironlake): > > [83f45fc360c8e16a330474860ebda872d1384c8c] drm: Don't grab an fb > reference for the idr > > Reverting this commit fixed the issue. This is definitely unexpected. I think we need a bit more data to figure out what's going on here: - Please boot with drm.debug=0xe added to your kernel cmdline and grab the dmesg right after boot-up for both a working or broken kernel. - Are you using any special i915 cmdline options? Everything else should be in the debug logs I hope. Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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