[Bug 103025] [GM45] loss of driver acceleration after some time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103025

--- Comment #25 from Jim Turner <turnerjw784 at yahoo.com> ---
I can confirm this pbm. still exists in xserver-xorg-video-intel
v2:2.99.917+git20161206-1.  Pbm. started with Linux kernel 4.13 and still
exists in 4.13.9 (4.13.0-9.1-liquorix-686-pae #1 ZEN SMP PREEMPT liquorix
4.13-3 (2017-10-24) i686 GNU/Linux).  I'm using intel i915 "Ironlake":

Graphics:  Card: Intel Core Processor Integrated Graphics Controller
           Display Server: X.Org 1.19.5 driver: intel
           Resolution: 1600x900 at 60.00hz, 1920x1080 at 60.00hz
           OpenGL: renderer: Mesa DRI Intel Ironlake Mobile x86/MMX/SSE2
           version: 2.1 Mesa 17.2.3

Boot up works fine, post-suspend works fine, but after a random period of time,
graphics becomes very slow (confirmed by glxgears) and Xorg process starts
gobbling up 100%CPU trying to drag a window around while an SDL video is
playing.  

Xorg logs the single message:

(EE) intel(0): Failed to submit rendering commands (No such file or directory),
disabling acceleration.

Killing and Restarting X "fixes" the symptoms (for a while).

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