<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [845G KMS] Blank screen using KMS" href="https://bugs.freedesktop.org/show_bug.cgi?id=60046#c12">Comment # 12</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [845G KMS] Blank screen using KMS" href="https://bugs.freedesktop.org/show_bug.cgi?id=60046">bug 60046</a> from <a class="email" href="mailto:tramsay@linux.vnet.ibm.com" title="Trey Ramsay <tramsay@linux.vnet.ibm.com>"> Trey Ramsay</a> <pre>Looks like the reason it is working on 3.8-rc5 is because the drm indicated that there was no driver support for vblank timestamp query. So it doesn't appear to be using KMS in 3.8-rc5. 3.8-rc5 [ 1.234348] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 1.241052] [drm] No driver support for vblank timestamp query. [ 1.247000] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 3.3.4-5.fc17 [ 3.301722] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 3.308365] [drm] Driver supports precise vblank timestamp query. [ 3.354705] [drm:init_vbt_defaults], Set default to SSC at 66MHz [ 3.354752] [drm:parse_general_features], BDB_GENERAL_FEATURES int_tv_support 1 int_crt_support 0 lvds_use_ssc 0 lvds_ssc_freq 48 display_clock_mode 0 [ 3.354762] [drm:parse_general_definitions], crt_ddc_bus_pin: 2 [ 3.354769] [drm:parse_sdvo_device_mapping], different child size is found. I nvalid. [ 3.354774] [drm:parse_device_mapping], different child size is found. Invali d. [ 3.354805] [drm:quirk_pipea_force], applying pipe a force quirk [ 3.354814] [drm:intel_modeset_init], 1 display pipe available. [ 3.354828] [drm:intel_modeset_init], plane 0 init failed: -19 [ 3.354846] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+me m,decodes=io+mem:owns=io+mem [ 3.364761] [drm:drm_sysfs_connector_add], adding "VGA-1" to sysfs</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>