linux-kernel - [lkp] [drm/i915] aaf5ec2e51: [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!

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Date:	Thu, 10 Sep 2015 10:22:56 +0800
From:	kernel test robot <ying.huang@...el.com>
TO:	Sonika Jindal <sonika.jindal@...el.com>
CC:	Daniel Vetter <daniel.vetter@...ll.ch>
Subject: [lkp] [drm/i915] aaf5ec2e51: [drm:gen8_irq_handler [i915]] *ERROR*
 The master control interrupt lied (SDE)!

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit aaf5ec2e51ab1d9c5e962b4728a1107ed3ff7a3e ("drm/i915: Handle HPD when it has actually occurred")


+--------------------------------+------------+------------+
|                                | 8df5dd57fd | aaf5ec2e51 |
+--------------------------------+------------+------------+
| boot_successes                 | 22         | 12         |
| boot_failures                  | 0          | 2          |
| invoked_oom-killer:gfp_mask=0x | 0          | 2          |
| Mem-Info                       | 0          | 2          |
| Out_of_memory:Kill_process     | 0          | 2          |
+--------------------------------+------------+------------+


[   12.566634] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   12.574144] [drm] Driver supports precise vblank timestamp query.
[   12.581256] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[   12.610468] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!
[   12.619867] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!
[   12.619869] fbcon: inteldrmfb (fb0) is primary device
[   12.622546] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[   12.622727] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6


To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Ying Huang

View attachment "config-4.1.0-rc6-01232-gaaf5ec2" of type "text/plain" (137155 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (20028 bytes)

View attachment "job.yaml" of type "text/plain" (3298 bytes)

View attachment "reproduce" of type "text/plain" (328 bytes)