Dell 850 Panic on boot

Mark Felder feld at
Sat Mar 12 17:47:05 UTC 2011

Hi guys,

Not sure if this is the right place to report this but we have a couple  
Dell 850s at work and the extra one we're trying to put FreeBSD on panics  
on boot. The servers are running 3.0ghz Pentium D processors (dual core)  
and they've got the EMT64 extension. So far it panics with the install cd  
for these versions:

8.1 i386 and amd64
8.2 i386 and amd64
7.4 amd64

I haven't tried any others. We needed to get this up to test something BSD  
specific so right now it's running OpenBSD.

Here is a picture of the console from when it panics:

Some people in the ##freebsd channel on Freenode said it looked like it  
panics whenever it initializes the second CPU. There's no option in the  
BIOS (which is up to date) that offers you the ability to disable a core  
or hyperthreading or whatever this CPU does.

Any insight would be greatly appreciated.



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