Subject: Re: ACPI enabled amd64 kernel on a SUN v20z
To: Quentin Garnier <>
From: Dheeraj Reddy <>
List: current-users
Date: 11/09/2005 21:25:47
On 11/9/05, Quentin Garnier <> wrote:
> On Wed, Nov 09, 2005 at 09:03:09PM +0000, Dheeraj Reddy wrote:
> > Hello all,
> >    I am having problems with using an ACPI enabled kernel on a dual pro=
> > SUN v20z. For some reason, it detects three processors. Can someone sug=
> > what is going on here ? Maybe where to look for solving this .
> >
> > I am attaching the relevant config and the dmesg
> But is it a real issue?  Does the system works with cpu0 and cpu2 as it
> should?
> The third processor looks to me like a botched ACPI table, not something
> to worry much about.
> Quentin Garnier.
No, only cpu0 is used.
As you could see from the dmesg the second processor is never
'started'. (maybe i am overlooking something.)
In a top(1) output, i cannot see two CPUs.

baskerville# sysctl -a | grep hw
hw.machine =3D amd64
hw.model =3D AMD Opteron(tm) Processor 244
hw.ncpu =3D 1
hw.byteorder =3D 1234
hw.physmem =3D 2146476032
hw.usermem =3D 2145529856
hw.pagesize =3D 4096
hw.disknames =3D fd0 md0 cd0 sd0
hw.machine_arch =3D x86_64
hw.alignbytes =3D 7
hw.cnmagic =3D \x27\x02
hw.physmem64 =3D 2146476032
hw.usermem64 =3D 2145529856
hw.bge.rx_lvl =3D 0