Messages in this thread | | | Date | Sat, 14 Jan 2006 17:51:37 -0500 | From | Dave Jones <> | Subject | Re: 2.6.15-git breaks Xorg on em64t |
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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.
> > - Reboot > > - Total lockup > > - NMI watchdog firing, and then lockup > > > > I've tried backing out a handful of the x86-64 patches, and > > didn't get too far, as some of them are dependant on others, > > it quickly became a real mess to try to bisect where exactly it broke.\ > > Shouldn't be too bad - i did a binary search for something else and it worked > pretty well.
The patches reverted, but I hit problems like modprobe segfaulting during boot, or reboots during APIC init.
> > Any ideas for potential candidates to try & back out ? > Does it work when you revert all x86-64 changes?
-git6 which was the last one not to include the x86-64 changes boots and runs fine.
I'll try a latest -git with x86-64 backed out when I get a chance.
Dave
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