http://bugs.freedesktop.org/show_bug.cgi?id=21067





--- Comment #9 from TeF <tefi...@gmail.com>  2009-04-07 00:43:20 PST ---
(In reply to comment #8)
> (In reply to comment #7)
> > (In reply to comment #4)
> > > Does booting with nopat (on your kernel command line) help?
> > > 
> > Yes !It works with "nopat" options of kernel command line! But my system is
> > hanged when X exited!
> > What the "napat" option means?
> > 
> PAT = Page Attribute Tables
> It allows for fine grained control of caching for pages in memory.  It seems 
> to
> have problems with ioremap and AGP.

thanks for your patient. I press the Command "dmesg | grep drm" in my system
,and it shows me some ERROR infomation like this:
[**ERROR** could not find ioremap agp regions!] 
How can I fix this problem complete? Could I use the "nopat" kernel option
permanently? Dose this kernel option affect my system normal running?


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