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[Bug 1488719] Re: dmesg shows "[drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!"
I've just rebooted with kernel 4.4.0-040400rc8 as well and also continue
to see the 'interrupt lied' line. The situation has improved though.
Quick summary, just ask if you want more details/logs.
System information: HP EliteBook, Ubuntu 15.10, i7-5600U, Broadwell-U
Integrated Graphics (rev 09)
Previously with the stock Ubuntu 15.10 kernel I was unable to attach a
second display unless I connected the display before startup / early in
the boot process and closed the laptop lid. Attaching a display over
displaylink worked fine in that case. Attaching it over VGA limited me
to 1024x768 resolution. Setting modelines for higher resolutions through
xrandr resulted in an unusable desktop.
Currently with 4.4.0-040400rc8 I'm able to attach my VGA display after
the desktop environment is running and use the second screen to extend
the desktop. Setting a different modeline still results in an unusable
desktop. I haven't had the opportunity to test a displaylink display
since installing this kernel.
Thanks for progressing on this issue.
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dmesg shows "[drm:gen8_irq_handler [i915]] *ERROR* The master control
interrupt lied (SDE)!"
Status in Linux:
Status in linux package in Ubuntu:
On a recent intel NUC using i915 graphics, I get the following errors
[drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt
There are two monitors connected to this box, one with mini-
HDMI->HDMI, one with mini-DP->HDMI cable.
DistroRelease: Ubuntu 15.04
Package: linux-image-generic 220.127.116.11.25
ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
Date: Wed Aug 26 10:07:31 2015
InstallationDate: Installed on 2015-08-01 (24 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-26-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
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