Happening here as well with 4.4.0 RC7 $ uname -r v 4.4.0-040400rc7-generic #201512272230 SMP Mon Dec 28 03:32:16 UTC 2015
$ dmesg | egrep '(intel|i915)' [ 0.149154] pci 0000:00:14.0: reg 0x10: [mem 0xe1220000-0xe122ffff 64bit] [ 0.649005] [<ffffffff81f661fd>] intel_uncore_init+0xe2/0x2e1 [ 0.649435] audit: type=2000 audit(1451915134.644:1): initialized [ 0.985552] intel_idle: MWAIT substates: 0x11142120 [ 0.985553] intel_idle: v0.4 model 0x3D [ 0.985554] intel_idle: lapic_timer_reliable_states 0xffffffff [ 1.114161] rtc_cmos 00:02: setting system clock to 2016-01-04 13:45:35 UTC (1451915135) [ 1.453450] fb: switching to inteldrmfb from VESA VGA [ 1.475347] [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor 0 [ 1.580736] fbcon: inteldrmfb (fb0) is primary device [ 2.687961] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! -- Repeated 44 times -- [ 2.752695] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 [ 2.817096] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! -- Repeated 56 times -- [ 2.851265] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 2.902734] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! -- Repeated 91 times -- [ 3.467690] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) [ 3.785259] intel_rapl: Found RAPL domain package [ 3.785262] intel_rapl: Found RAPL domain core [ 3.785264] intel_rapl: Found RAPL domain uncore [ 3.785265] intel_rapl: Found RAPL domain dram [ 6.732430] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! -- Repeated 44 times -- [ 47.125136] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun [ 47.128273] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun [ 70.590927] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! -- Repeated 98 times -- -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1488719 Title: dmesg shows "[drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!" Status in Linux: Confirmed Status in linux package in Ubuntu: Confirmed Bug description: On a recent intel NUC using i915 graphics, I get the following errors in dmesg: [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! There are two monitors connected to this box, one with mini- HDMI->HDMI, one with mini-DP->HDMI cable. Maybe related: https://bugs.freedesktop.org/show_bug.cgi?id=80896 ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-generic 3.19.0.26.25 ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4 Uname: Linux 3.19.0-26-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.3 Architecture: amd64 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 SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1488719/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
