FreeBSD Install Problem - QUAD CPU

Nate Lawson nate at root.org
Thu Apr 19 06:01:46 UTC 2007


David Faulkner wrote:
> Hi All,
> 
> Have just signed up to this group to see if someone can help me out.
> 
> Our server details are as follows.
> 
> Server: IBM X3850 (88633SM)
> QUAD CPU: 40K2522
> HDD X 6: 40K1051
> IBM ServeRAID 8i: 39R8729
> 
> We are attempting to install FreeBSD 6.2-RELEASE onto this machine and
> are running into a problem getting the operating system to work happily
> with the QUAD CPU arrangement.
> 
> We seem to be having issues getting the machine to boot with the 4
> processors, receiving the following message
> 
> "panic: madt_probe_cpus_handler: CPU ID 38 Too High"
> 
> So to bypass this we disabled ACPI on boot. This allowed us to get past
> the CPU error and continue to boot, however a little ways down the track
> we noticed things like the ethernet adapater not getting picked up, and
> the big problem - none of the disks getting recognised - obviously
> posing a serious install problem!.
> 
> We have since tried a few things, one of which was removing all but one
> of the CPU's. If we do this, and boot with ACPI enabled, all is totally
> fine. All disks are found, and I receive no CPU panic error.
> 
> So it appears to me that by disabling ACPI in an attempt to bypass the
> QUAD CPU problem, we are causing another issue behind the scenes.
> 
> The root of the problem now appears to be, that if we have anything over
> 1 CPU, directly after the kernel is loaded (when booting from the CD to
> try and install), we receive the error message "panic:
> madt_probe_cpus_handler: CPU ID 38 Too High". The moment a second CPU to
> the machine....it bombs out.
> 
> Any help is warmly accepted.

Please post a URL to your ASL please:
   acpidump -dt | gzip -c9 > x3850.asl.gz

-- 
Nate


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