Re: 2.6.15-git breaks Xorg on em64t

[Dave Jones]

On Sun, Jan 15, 2006 at 01:05:07AM +0100, Andi Kleen wrote:
 > On Saturday 14 January 2006 23:51, Dave Jones wrote:
 > > On Sat, Jan 14, 2006 at 07:43:27PM +0100, Andi Kleen wrote:
 > >  > On Saturday 14 January 2006 07:52, Dave Jones wrote:
 > >  > > Andi,
 > >  > >  Sometime in the last week something was introduced to Linus'
 > >  > > tree which makes my dual EM64T go nuts when X tries to start.
 > >  > > By "go nuts", I mean it does various random things, seen so
 > >  > > far..
 > >  > > - Machine check. (I'm convinced this isn't a hardware problem
 > >  > >   despite the new addition telling me otherwise :)
 > >  >
 > >  > Normally it should be impossible to cause machine checks from software
 > >  > on Intel systems.
 > >
 > > -git7+ is the only time I've ever seen one on this box.
 > 
 > What happens when you apply
 > 
 > ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches/page-table-setup

What does this apply to ? Is it dependant on something else not
merged yet ? I get rejects when I apply it to 2.6.15-git10

I don't have time to fix it up by hand right now (I was going to set
a build going before I turned in for the night..)

I'll poke at it again tomorrow.

Another datapoint btw: I've another EM64T that works just fine.
The one that fails is the only one that isn't using onboard VGA,
this one has a PCIE Radeon.  Given it happens when X is starting up,
it could be that the X radeon driver does something special which
is why others aren't seeing this.

		Dave
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