From: Bill Davidsen <davidsen@tmr.com>
To: jensmh@gmx.de, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.16-rc5 'lost' cpu
Date: Mon, 06 Mar 2006 15:23:49 -0500 [thread overview]
Message-ID: <440C9A55.30201@tmr.com> (raw)
In-Reply-To: <200603020505.13108.jensmh@gmx.de>
jensmh@gmx.de wrote:
> This is a dual xeon system with hyper threading enabled, so there should
> be 4 cpus
It decided that the first CPU had only one sibling, sounds like an ACPI
issue, if I had to place a bet I would lean to the hardware/BIOS not
admitting to that 2nd sibling.
>
> jm@voyager ~ $ ll /proc/acpi/processor/
> total 0
> dr-xr-xr-x 2 root root 0 Mar 2 05:01 CPU0
> dr-xr-xr-x 2 root root 0 Mar 2 05:01 CPU1
> dr-xr-xr-x 2 root root 0 Mar 2 05:01 CPU3
>
> jm@voyager ~ $ cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 15
> model : 2
> model name : Intel(R) Xeon(TM) CPU 2.80GHz
> stepping : 9
> cpu MHz : 2792.148
> cache size : 512 KB
> physical id : 0
> siblings : 1
> core id : 0
> cpu cores : 1
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> 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 ht tm pbe cid xtpr
> bogomips : 5588.74
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 15
> model : 2
> model name : Intel(R) Xeon(TM) CPU 2.80GHz
> stepping : 9
> cpu MHz : 2799.930
> cache size : 512 KB
> physical id : 3
> siblings : 2
> core id : 0
> cpu cores : 1
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> 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 ht tm pbe cid xtpr
> bogomips : 5581.39
>
> processor : 2
> vendor_id : GenuineIntel
> cpu family : 15
> model : 2
> model name : Intel(R) Xeon(TM) CPU 2.80GHz
> stepping : 9
> cpu MHz : 2799.930
> cache size : 512 KB
> physical id : 3
> siblings : 2
> core id : 0
> cpu cores : 1
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> 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 ht tm pbe cid xtpr
> bogomips : 5581.34
--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
prev parent reply other threads:[~2006-03-06 20:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-02 5:05 2.6.16-rc5 'lost' cpu jensmh
2006-03-02 12:21 ` Geert Uytterhoeven
2006-03-02 15:41 ` Zwane Mwaikambo
2006-03-02 21:37 ` jensmh
2006-03-03 17:54 ` Zwane Mwaikambo
2006-03-03 18:30 ` Ashok Raj
2006-04-07 16:45 ` 2.6.16.1 lost cpu, was: " jensmh
2006-04-07 20:22 ` Ashok Raj
2006-04-07 20:27 ` jensmh
2006-04-07 20:53 ` Ashok Raj
2006-04-08 11:55 ` Zwane Mwaikambo
2006-03-06 20:23 ` Bill Davidsen [this message]
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