Re: nmi_watchdog=2 regression in 2.6.21

Daniel Walker
2007-08-27T18:03:35Z

On Mon, 2007-08-27 at 10:54 -0700, Stephane Eranian wrote:
> Daniel,
>
> You mentioned you have a development board with a dual Pentium-M.
>
> What are the exact family/model numbers?
>
> What Bjorn points you at below is a fix that applies to
> Intel Core Duo/Solo (Yonah) and Intel Core 2 series but not to
> regular Pentium-M (no architectural perfmon there).
>
> I have successfully booted 2.6.23-rc3 on PIII, Opteron and Intel Core 2
> Duo with nmi_watchdog=2.

Here is the cpuinfo for processor 0 .. It's got four cores so this isn't
the full /proc/cpuinfo output ..

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 14
model name : Intel(R) Dual Pentium(R) M CPU @ 2.00GHz
stepping : 8
cpu MHz : 1992.000
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss htr
bogomips : 4002.48
clflush size : 64