Garrett Cooper wrote:
On Tue, Jan 27, 2009 at 12:48 PM, Tom Everett <> wrote:
the CPUs are active in the BIOS.  The BIOS is v 1.05. with 1.06 being the
very latest.

According to IBM the changes from 1.0.5 to 1.0.6 are

Added in serial remote console redirection
Fixed PXE ROM execution failure when using PXE on planar Ethernet #2
Removed the "Auto Configure" IRQ option for the System Service Processor IRQ
setting in POST/BIOS setup to prevent erroneous configuration change and
diskette drive failure messages

I have a number of these machines running linux with no problems.


Garrett Cooper wrote:

On Tue, Jan 27, 2009 at 11:59 AM, Tom Everett <> wrote:

ok, two problems.  I don't remember that I had the option to explicitly
install an SMP kernl, and looking back here
( , I
don't see that sysinstall gave me that option.  Additionally, I have the
kernel source and I see that in GENERIC, SMP is enabled.  Am I missing

Garrett Cooper wrote:

On Jan 27, 2009, at 9:45 AM, Tom Everett wrote:

I originally posted this to "FreeBSD Questions" but was told that the
ACPI list might be more appropriate.

I'm running the "stock" FreeBSD 7.1 kernel on an IBM x330 machine.  The
machine has two physical processors but it seems that FreeBSD 7.1 only sees
one.  I downloaded the kernel source and it seems that the GENERIC kernel
has SMP installed.  Is there something else I can try?  Thanks in advance
for your wisdom.

$ sysctl -a | grep cpu
kern.threads.virtual_cpu: 1
kern.ccpu: 0
kern.smp.cpus: 1
kern.smp.maxcpus: 16
debug.cpufreq.verbose: 0
debug.cpufreq.lowest: 0
debug.kdb.stop_cpus: 1
debug.stop_cpus_with_nmi: 1
debug.PMAP1changedcpu: 0
hw.ncpu: 1
hw.acpi.cpu.cx_lowest: C1
machdep.cpu_idle_hlt: 1
machdep.hlt_cpus: 0
dev.cpu.0.%desc: ACPI CPU
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=\_PR_.CPU1
dev.cpu.0.%pnpinfo: _HID=none _UID=0
dev.cpu.0.%parent: acpi0
dev.cpu.0.cx_supported: C1/0
dev.cpu.0.cx_lowest: C1
dev.cpu.0.cx_usage: 100.00%

   Did you install the SMP kernel from sysinstall? There's a difference.

    Nope -- that would be it. Is one CPU not active in the BIOS? Do
you have the latest BIOS flashed from IBM? Does a Linux disk see both

    I only see one CPU in the kernel output you provided though --
that's why I'm confused. Also, please don't top-post ;).

Sry, didn't know that top-posting was bad etiquette. The BIOS reports 2 CPUs and that they're both enabled. Is there some other output I could provide that would help? I can't be 100% sure, but I _think_ this worked with FreeBSD 6.

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