[Bug 370292] Re: [i855] Jaunty - X freezing on intel 855GM - MTRR issue (UXA/EXA)

[Mike Rose]

Have been running Karmic alpha 2 for approx 5 hours now.

Good news is that the MTRR errors are gone.
Bad news is the freezes are still happening.

Two lockups. One occurred when I had firefox open, lots of tabs open, 
'Normal' visual effects enabled. REISUB'ed.

Decided to try turning off visual effects, but got another lockup, this 
time in terminal looking through kernel logs from the last lockup 
looking for clues :)

I did notice that for approx a minute before the lockup, everything in 
the terminal went real slow. Like, scrolling via mouse wheel would take 
2 seconds before it would start scrolling. Very laggy. It's quite 
probable that this has happened with past freezes without me noticing 
however, as I've found some websites slow my computer down to a crawl 
anyway (probably due to flash).

Nothing in the logs showing anything. For what it's worth, I also got 
the lockup on the livecd too and I noticed before it happened I had a 
slight font corruption (every instance of 'e' had a line through it). 
Funnily enough, I also noticed this in terminal before it locked up 
(this time 'r' was missing a bit) so I don't know if it's related or not.

I've reverted to intel 2.4 drivers ( 
https://wiki.ubuntu.com/ReinhardTartler/X/RevertingIntelDriverTo2.4 ) 
and they've been stable as a rock, full compositing (albeit slowish, 
it's only intel 815 :)

Let me know if there's any diagnostic tools I can run to give some more 
information. Maybe a version of the intel drivers with verbose debugging 
output or something. I don't mind it running a little slow while I'm 
testing, I just want this bug sorted. :)

Mike

Bryce Harrington wrote:
> suckertoo, no problem, hopefully Mike Rose can test.  I am fairly
> certain this bug is gone in Karmic, so if no one is able to test, I'm
> confident we can close it, but I'll give a month for people to try.
>
> Good luck in Afghanistan
>
> ** Changed in: xserver-xorg-video-intel (Ubuntu)
>        Status: Incomplete => New
>
> ** Changed in: xserver-xorg-video-intel (Ubuntu)
>        Status: New => Incomplete
>
>

-- 
[i855] Jaunty - X freezing on intel 855GM - MTRR issue (UXA/EXA)
https://bugs.launchpad.net/bugs/370292
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