Debian Bug report logs - #577771
kfreebsd-8: /proc/cpuinfo shows only one processor

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Package: kfreebsd-image-8.0-1-686-smp; Maintainer for kfreebsd-image-8.0-1-686-smp is (unknown);

Reported by: Santiago Vila <sanvila@unex.es>

Date: Wed, 14 Apr 2010 11:45:01 UTC

Severity: normal

Found in version kfreebsd-8/8.0-5

Done: Santiago Vila <sanvila@unex.es>

Bug is archived. No further changes may be made.

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Report forwarded to debian-bugs-dist@lists.debian.org, sanvila@unex.es, GNU/kFreeBSD Maintainers <debian-bsd@lists.debian.org>:
Bug#577771; Package kfreebsd-image-8.0-1-686-smp. (Wed, 14 Apr 2010 11:45:04 GMT) Full text and rfc822 format available.

Acknowledgement sent to Santiago Vila <sanvila@unex.es>:
New Bug report received and forwarded. Copy sent to sanvila@unex.es, GNU/kFreeBSD Maintainers <debian-bsd@lists.debian.org>. (Wed, 14 Apr 2010 11:45:04 GMT) Full text and rfc822 format available.

Message #5 received at submit@bugs.debian.org (full text, mbox):

From: Santiago Vila <sanvila@unex.es>
To: submit@bugs.debian.org
Subject: kfreebsd-8: /proc/cpuinfo shows only one processor
Date: Wed, 14 Apr 2010 13:42:42 +0200 (CEST)
Package: kfreebsd-image-8.0-1-686-smp
Version: 8.0-5

$ dmesg | grep "2 CPU"
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs

However:

$ cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 16
model name      : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping        : 3
processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 16
model name      : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping        : 3
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 b19 b21 mmxext mmx fxsr xmm sse2 b27 b28 b29 3dnow
cpu MHz         : 2992.51
bogomips        : 2992.51

i.e. only one processor is shown.

Relevant messages from dmesg:

FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP/HT): APIC ID:  1
[...]
cpu0: <ACPI CPU> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est: CPU supports Enhanced Speedstep, but is not recognized.
est: cpu_vendor GenuineIntel, msr f2d00000f2d
device_attach: est0 attach returned 6
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
est: CPU supports Enhanced Speedstep, but is not recognized.
est: cpu_vendor GenuineIntel, msr f2d00000f2d
device_attach: est1 attach returned 6
p4tcc1: <CPU Frequency Thermal Control> on cpu1


Thanks.




Information stored :
Bug#577771; Package kfreebsd-image-8.0-1-686-smp. (Wed, 14 Apr 2010 11:57:06 GMT) Full text and rfc822 format available.

Acknowledgement sent to Petr Salinger <Petr.Salinger@seznam.cz>:
Extra info received and filed, but not forwarded. (Wed, 14 Apr 2010 11:57:06 GMT) Full text and rfc822 format available.

Message #10 received at 577771-quiet@bugs.debian.org (full text, mbox):

From: Petr Salinger <Petr.Salinger@seznam.cz>
To: Santiago Vila <sanvila@unex.es>, 577771-quiet@bugs.debian.org
Subject: Re: Bug#577771: kfreebsd-8: /proc/cpuinfo shows only one processor
Date: Wed, 14 Apr 2010 16:01:23 +0200 (CEST)
> $ cat /proc/cpuinfo

1st:
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 16
> model name      : Intel(R) Pentium(R) 4 CPU 3.00GHz
> stepping        : 3

2nd:
> processor       : 1
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 16
> model name      : Intel(R) Pentium(R) 4 CPU 3.00GHz
> stepping        : 3

shared features:
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 b19 b21 mmxext mmx fxsr xmm sse2 b27 b28 b29 3dnow
> cpu MHz         : 2992.51
> bogomips        : 2992.51
>
> i.e. only one processor is shown.

The real one-processor system have different output:

salinger@io:~$ cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 7
model name      : AMD Sempron(tm) Processor 2600+
stepping        : 2
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov                                                     pat pse36 b19 mmx 
fxsr xmm sse2
cpu MHz         : 1607.33
bogomips        : 1607.33

Try also

sysctl -a | grep cpu

Petr




Reply sent to Santiago Vila <sanvila@unex.es>:
You have taken responsibility. (Wed, 14 Apr 2010 13:33:04 GMT) Full text and rfc822 format available.

Notification sent to Santiago Vila <sanvila@unex.es>:
Bug acknowledged by developer. (Wed, 14 Apr 2010 13:33:04 GMT) Full text and rfc822 format available.

Message #15 received at 577771-done@bugs.debian.org (full text, mbox):

From: Santiago Vila <sanvila@unex.es>
To: Petr Salinger <Petr.Salinger@seznam.cz>
Cc: 577771-done@bugs.debian.org
Subject: Re: Bug#577771: kfreebsd-8: /proc/cpuinfo shows only one processor
Date: Wed, 14 Apr 2010 15:29:51 +0200 (CEST)
On Wed, 14 Apr 2010, Petr Salinger wrote:

> > $ cat /proc/cpuinfo
> 
> 1st:
> > processor       : 0
> > vendor_id       : GenuineIntel
> > cpu family      : 6
> > model           : 16
> > model name      : Intel(R) Pentium(R) 4 CPU 3.00GHz
> > stepping        : 3
> 
> 2nd:
> > processor       : 1
> > vendor_id       : GenuineIntel
> > cpu family      : 6
> > model           : 16
> > model name      : Intel(R) Pentium(R) 4 CPU 3.00GHz
> > stepping        : 3

Oooops! You are right.

I was expecting an empty line separating processors 0 and 1, like in Linux,
and that confused me.

Closing then.




Bug archived. Request was from Debbugs Internal Request <owner@bugs.debian.org> to internal_control@bugs.debian.org. (Thu, 13 May 2010 07:40:35 GMT) Full text and rfc822 format available.

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