Hi! > > > > After update to 3.15-rc2, only top 20% of screen works on X. > > > > > > > > 00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset > > > > Integrated Graphics Controller (rev 03) > > > > > > > > 00:02.1 Display controller: Intel Corporation 4 Series Chipset > > > > Integrated Graphics Controller (rev 03) > > > > Subsystem: Intel Corporation Device d614 > > > > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > > > > ParErr- Stepping- SERR- FastB2B- DisINTx- > > > > Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast > > > > >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- > > > > Latency: 0 > > > > Region 0: Memory at d0400000 (64-bit, non-prefetchable) > > > > [size=1M] > > > > Capabilities: <access denied> > > > > > > > > This worked before. I believe it worked in 3.14. It definitely works > > > > in 3.11-rc2. > > > > > > Screenshot or more detailed description of what "only top 20% of > > > screen works in X" means? > > > Anything in dmesg? > > > > Actually yes, dmesg suggests it is quite > > sick. drivers/gpu/drm/drm_mm.c:767 warning triggered > > repeatedly. Also.. initial framebuffer does not work ; I don't seem to > > see anything before X start up. (This is Debian 6.0.9) > > That says that i915.ko failed to initialise the GPU (or rather the GPU > wasn't responding) and bailed during module load. The key line here is > [drm:init_ring_common] *ERROR* render ring initialization failed ctl > 0001f001 head 00002034 tail 00000000 start 0012f000 Actually, I'm not using modules -- everything is build-in. Can you try that config? Perhaps you can then reproduce the failure. > Jiri has been seeing a similar issue creep in during resume, but it is > not reliable enough to bisect. Is your boot failure reliable enough to > bisect? Also drm-intel-nightly should mitigate this failure and allow > i915.ko to continue to load and run X, which would be worth testing to > make sure that works as intended. So far it failed 100% of time, but this is my main machine, so bringing it down for extended periods is no-no. Greetings to Prague :-). Jiri, do you have i915 a module or build-in? Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
