Also tested Kernel 4.4 RC7 did not solve the problem on my laptop when i plugged a hdmi cable to the tv => the same error appears in /var/log/syslog. Error disappears when i unplugged the hdmi cable.
System information: Dell Inc. Inspiron 5558 with Ubuntu 14.04.3 LTS 64 bits - Bios A07 - Intel® Core™ i5-5200U CPU @ 2.20GHz × 4 - Intel® HD Graphics 5500 $ uname -a Linux portable-londe 4.4.0-040400rc7-generic #201512272230 SMP Mon Dec 28 03:32:16 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1488719 Title: dmesg shows "[drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!" To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1488719/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs