I submitted the bug report at https://bugs.freedesktop.org/show_bug.cgi?id=109245 . The dmesg log is attached to the bug report. Daniel On Mon, 7 Jan 2019 at 14:34, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > > On Sat, Jan 05, 2019 at 12:47:12AM +0100, Daniel Kamil Kozar wrote: > > Hello. > > After upgrading the kernel to 4.20, I noticed that the boot time > > increased from about 5 seconds to 25 seconds. My machine is an Asus > > K53SV with an Intel i7-2630QM, i.e. Sandy Bridge. I have an external > > display connected to it via HDMI. If the display is unplugged when > > booting the machine, the boot time stays at its old value. > > The kernel log shows two messages like this : > > > > [ 15.747206] [drm:drm_atomic_helper_wait_for_flip_done > > [drm_kms_helper]] *ERROR* [CRTC:39:pipe A] flip_done timed out > > [ 26.198968] [drm:drm_atomic_helper_wait_for_dependencies > > [drm_kms_helper]] *ERROR* [CRTC:39:pipe A] flip_done timed out > > Hrm. With SNB I would be tempted to blame the LP3 watermarks, but > 4.20 already has commit 21556350ade3 ("drm/i915: Disable LP3 watermarks > on all SNB machines"). > > Can you file a bug at > https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel > and attach the full dmesg from the boot with drm.debug=0xe passed to the > kernel cmdline? > > -- > Ville Syrjälä > Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
