amd64/108345: 6.2-* GENERIC will not boot Intel PD EMT64 w/ ACPI

John Baldwin jhb at freebsd.org
Thu Jan 25 19:00:42 UTC 2007


On Thursday 25 January 2007 12:36, Christopher Neill wrote:
> >Description:
> The Pentium D EMT64 on a SuperMicro board will not boot with ACPI enabled on 
6.2-RELEASE (GENERIC).
> 
> While this isn't a huge deal (simply boot w/o ACPI from loader), it does 
mean that some manual intervention is required to both install and run 
FreeBSD on this machine. Verbose dmesg of hung start attached:

What if you leave ACPI enabled but just disable SMP?  Also, can you add 'DDB' 
to your kernel and break into ddb when it hangs and run 'show intrcnt' 
(ideally, let it hang, break, run the command, then continue and let it sit 
for a while, break to ddb again and run the command again).

-- 
John Baldwin


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