Bug 655331

Summary: [Crestline] "[drm:i915_driver_irq_handler], pipe b underrun", screen temporarily messed up
Product: [Fedora] Fedora Reporter: James <james>
Component: xorg-x11-drv-intelAssignee: Adam Jackson <ajax>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: low    
Version: 14CC: ajax, mcepl, xgl-maint
Target Milestone: ---Keywords: Triaged
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-05-19 11:37:04 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
Xorg.0.log
none
dmesg none

Description James 2010-11-20 14:45:18 UTC
Created attachment 461725 [details]
Xorg.0.log

Description of problem:
After minimising a window (compiz enabled, with Magic Lamp effect), the screen seemed a bit messed up: everything shifted around 1/3 to the left and wrapped around. I then moved some stuff around and it cleared up.

I've seen this before on earlier kernels and Xorg drivers, but I think it really started at some point after KMS was introduced. Currently using:

  xorg-x11-drv-intel-2.12.0-8.fc14.x86_64
  kernel-2.6.36-5.fc15  (built from Koji sources)
  libdrm-2.4.22-1.fc14.x86_64
  mesa-dri-drivers-7.9-2.fc14.x86_64

With drm.debug=0x02 enabled, there were a number of messages of the form

  [drm:i915_driver_irq_handler], pipe b underrun

in dmesg.

No xorg.conf. dmesg and Xorg.0.log attached.

Comment 1 James 2010-11-20 14:46:14 UTC
Created attachment 461727 [details]
dmesg

Comment 2 James 2010-11-20 14:47:37 UTC
Additional info: This is on Intel X3100 graphics on my notebook, just the built-in LVDS screen active, no external display attached.

Comment 3 Matěj Cepl 2011-04-08 15:28:31 UTC
This seems to be similar as bug 617617, and bug 694006.

Comment 4 James 2012-05-09 00:09:50 UTC
Can't remember seeing this for a while now, so considering closing CURRENTRELEASE.