Loading i915 module panics my system after patching with Intel GPU patch 14.4 for stable/9

[Jose Garcia Juanino]

El jueves 26 de abril a las 21:02:19 CEST, Konstantin Belousov escribió:
> On Thu, Apr 26, 2012 at 08:49:35PM +0200, Jose Garcia Juanino wrote:
> > 
> > It is possible to execute a "startx" from the blank screen, but the
> > results are a very weird X session, with no functional mouse nor keyboard.
> 
> Does the right image appear ? What do you mean by 'weird X session' ?
> 
> Non-functioning kbd/mouse has nothing to do with i195.ko.

Sorry, yesterday I was not very smart.

Actually, I have xf86-video-intel-2.17.0 and xorg-server-1.10.6,1
(rebuilt today from a updated ports tree, with WITH_NEW_XORG=yes and
WITH_KMS=yes in /etc/make.conf). Here I show you the results:

1- startx with vesa driver.
Everything works smoothly. Keyboard and mouse are fully functional. I
can use the browser, open terminals, etc.


2- startx with intel driver
X session takes a lot of time until it appears (1 minute). From a ssh
session, I see the Xorg process to consume the 100% of cpu time (kernel
time, not user time). But once the screen is showed up, it looks fine.
Fonts are well displayed and depth color is 24 (vesa only supports 8).
After a few minutes, CPU time drops until 0%, and it is possible to use
the computer. But if I try to move the mouse, again the cpu time
increase until 100% for 1 minute, and the system is unresponsive. Only I
can use the computer by mean of the keyboard after cpu consume drops
again.

In the meantime, I can see the following in syslog when the cpu is 100%:

Apr 27 21:33:36 riemann kernel: [drm:KMS:pid0:output_poll_execute] [CONNECTOR:11:VGA-1] status updated from 2 to 2
Apr 27 21:34:16 riemann last message repeated 4 times
Apr 27 21:36:16 riemann last message repeated 12 times


Well, that is everything I can contribute. I am unable to decide wether
this "weird" behavior is Xorg related or i915 kernel module related, but
the scenario final (i915 kernel with KSM support plus recent Xorg) is
not functional nor usable.

Best regards, I appreciate your time and efforts, and sorry for my poor
english.
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