<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [915GM regression] black screen on boot Linux >= 3.14-rc1" href="https://bugs.freedesktop.org/show_bug.cgi?id=76103#c15">Comment # 15</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [915GM regression] black screen on boot Linux >= 3.14-rc1" href="https://bugs.freedesktop.org/show_bug.cgi?id=76103">bug 76103</a> from <a class="email" href="mailto:krzysiek@podlesie.net" title="Krzysztof Mazur <krzysiek@podlesie.net>"> Krzysztof Mazur</a> <pre>Linux v3.14-rc6-26-g33807f4 + 0001-drm-i915-Repartition-the-display-FIFO-manyally-on-ge.patch still does not work and introduces another regression: during the VT change from a framebuffer to X some artifacts are visible and pipe underrun occurs: ... [ 388.668402] [drm:check_encoder_state], [ENCODER:6:LVDS-6] [ 388.668405] [drm:check_encoder_state], [ENCODER:12:DAC-12] [ 388.668408] [drm:check_encoder_state], [ENCODER:14:TV-14] [ 388.668411] [drm:check_crtc_state], [CRTC:3] [ 388.668413] [drm:check_crtc_state], [CRTC:4] [ 388.668560] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:SVIDEO-1] disconnected [ 388.967210] [drm:i915_irq_handler], pipe B underrun The CPU enters C3 before and after X server startup. Before: $ cat /sys/devices/system/cpu/cpu0/cpuidle/state*/time 15 3610 235270 15333732 BTW. Starting kmscon is also sufficient to fixup the display.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>