Bug 86951 - [GM45][3.17/3.18] drm:intel_pipe_config_compare (underrun errors)
Summary: [GM45][3.17/3.18] drm:intel_pipe_config_compare (underrun errors)
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-12-03 03:19 UTC by Shawn Starr
Modified: 2017-07-24 22:50 UTC (History)
1 user (show)

See Also:
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Attachments

Description Shawn Starr 2014-12-03 03:19:27 UTC 
Kernels 3.17.x/3.18.0-0.rcX.git0.1.fc22.x86_64
Mesa git master (10.5)
DDX: xorg-x11-drv-intel-2.99.916-3.20141117.fc21.x86_64

Using the Intel GM 45 chipset, any 3D rendering is frozen (rendering offscreen). I don't know when this broke

[   45.601062] [drm:intel_pipe_config_compare] *ERROR* mismatch in pipe_src_w (expected 0, found 4096)
[   45.609659] [drm:i965_irq_handler] *ERROR* pipe A underrun
[   45.616178] [drm:intel_pipe_config_compare] *ERROR* mismatch in pipe_src_w (expected 0, found 4096)
[   45.902070] [drm:i9xx_check_fifo_underruns] *ERROR* pipe A underrun
[   45.903073] [drm:i965_irq_handler] *ERROR* pipe A underrun

OpenGL renderer string: Mesa DRI Mobile Intel® GM45 Express Chipset 
OpenGL version string: 2.1 Mesa 10.5.0-devel (git-4aec928)

running glxgears shows output that it is rendering frames but the glxgears window itself is frozen, same with any GL game, frozen on startup (rendering offscreen).
Comment 1 Shawn Starr 2014-12-03 04:30:01 UTC 
The kernel 3.16.7-200.fc20.x86_64 is working however.
Comment 2 Jani Nikula 2015-02-12 13:51:04 UTC 
Please retest with kernel v3.18.4 or later.
Comment 3 Ander Conselvan de Oliveira 2015-06-04 14:41:22 UTC 
(In reply to Jani Nikula from comment #2)
> Please retest with kernel v3.18.4 or later.

Closing due to inactivity. Presuming fixed in v3.18.4.
Comment 4 Shawn Starr 2015-06-04 14:45:53 UTC 
Yes, this is fixed. Thank you

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