On Wed, 25 Jun 2014, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Wed, 25 Jun 2014, Ville [iso-8859-1] Syrjl wrote: > >> On Wed, Jun 25, 2014 at 02:06:55PM -0400, Alan Stern wrote: >> > Daniel: >> > >> > I encountered a new problem in the i915 driver the first time I booted >> > a 3.16-rc kernel on this computer. When it switched over to the frame >> > buffer driver, the screen went blank and stayed that way. >> > >> > 3.15 works okay. >> > >> > Attached are log extracts from 3.15 and 3.16 (both with drm.debug=0xe >> > in the boot command line). The timestamps have been stripped out for >> > easy diff comparison. These are the result of >> > >> > dmesg | egrep 'drm|i915|frame' >> > >> > with a couple of irrelevant lines removed. I can send the complete >> > logs if you need them. >> > >> > Alan Stern >> >> > Kernel command line: BOOT_IMAGE=/boot/test-3.x root=/dev/hda8 ro console=ttyS0,115200 console=tty0 earlyprintk=serial,ttyS0,115200 no_console_suspend drm.debug=0xe vconsole.keymap=us vconsole.font=latarcyrheb-sun16 LANG=en_US.UTF-8 usbcore.dyndbg=+p ehci_hcd.dyndbg=+p >> > [drm] Initialized drm 1.1.0 20060810 >> > [drm:i915_dump_device_info] i915 device info: gen=2, pciid=0x2572 flags=has_overlay,overlay_needs_physical, >> > [drm:intel_detect_pch] No PCH found. >> > [drm] Memory usable by graphics device = 128M >> > [drm:i915_gem_gtt_init] GMADR size = 128M >> > [drm:i915_gem_gtt_init] GTT stolen size = 8M >> > [drm:i915_gem_gtt_init] ppgtt mode: 0 >> > [drm:intel_opregion_setup] graphic opregion physical addr: 0x0 >> > [drm:intel_opregion_setup] ACPI OpRegion not supported! >> > [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). >> > [drm] Driver supports precise vblank timestamp query. >> > [drm:init_vbt_defaults] Set default to SSC at 66667 kHz >> > [drm:parse_general_features] BDB_GENERAL_FEATURES int_tv_support 1 int_crt_support 0 lvds_use_ssc 0 lvds_ssc_freq 48000 display_clock_mode 0 fdi_rx_polarity_inverted 0 >> ^^^^^^^^^^^^^^^^^ >> >> This should get your display back: >> http://patchwork.freedesktop.org/patch/28508/ > > It did indeed. Thank you very much. Fix pushed to drm-intel-fixes; expect to land in v3.16-rc4 or v3.16-rc5 at the latest. Thanks for the report and testing. BR, Jani. > > Alan Stern > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx