On Wed, Nov 25, 2015 at 04:47:22PM +0200, Jani Nikula wrote: > We had the "The master control interrupt lied (SDE)!" check and error > message in place for a long time without any problems, until > > commit aaf5ec2e51ab1d9c5e962b4728a1107ed3ff7a3e > Author: Sonika Jindal <sonika.jindal@xxxxxxxxx> > Date: Wed Jul 8 17:07:47 2015 +0530 > > drm/i915: Handle HPD when it has actually occurred > > caused the errors to start happening. This was bisected and reported, > but the error message was silenced in > > commit 97e5ed1111dcc5300a0f59a55248cd243937a8ab > Author: Daniel Vetter <daniel.vetter@xxxxxxxx> > Date: Fri Oct 23 10:56:12 2015 +0200 > > drm/i915: shut up gen8+ SDE irq dmesg noise > > shooting the messenger while the debugging for why Sonika's commit > triggered the errors was still in progress. > > It looks like we need to read and acknowledge the PCH_PORT_HOTPLUG > register even though the hotplug trigger indicates there isn't a hotplug > irq to handle. > > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Cc: Sonika Jindal <sonika.jindal@xxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92084 > Fixes: aaf5ec2e51ab ("drm/i915: Handle HPD when it has actually occurred") > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> And to you I say: [ 4.249930] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.251037] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.251403] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.252141] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.252509] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.253247] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.253616] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.253985] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.254724] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.255460] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.256198] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.256567] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.257305] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.258043] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.258781] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.259519] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.259889] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.260626] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.261365] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.261734] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.262103] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.262163] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.263261] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.263999] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.264737] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.265106] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! [ 4.266214] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! i7-5557U nuc currently connected to HDMI. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx