From mboxrd@z Thu Jan  1 00:00:00 1970
From: Carsten Schiers <carsten@schiers.de>
Subject: AW: No C-States any longer...
Date: Tue, 7 Jun 2011 12:22:16 +0200
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To: Ian Campbell <Ian.Campbell@citrix.com>
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Just to give you an update: already baked kernel, but didn't succeed to 
boot it. Something with filesystems. But cannot check currently. I'll
keep you updated. BR, C.


----- Originalnachricht -----
Von: Ian Campbell <Ian.Campbell@citrix.com>
Gesendet: Mon, 6.6.2011 10:31
An: Carsten Schiers <carsten@schiers.de>
Cc: xen-devel <xen-devel@lists.xensource.com>
Betreff: Re: [Xen-devel] No C-States any longer...

On Sat, 2011-06-04 at 17:18 +0100, Carsten Schiers wrote:
> after my move to Xen 4.1.0 and Debian 2.6.32-5-xen-amd64 pvops Dom0. 
> Seems to be a problem with ACPI.
> Can it be a BIOS problem (although it worked up to now) or is this not 
> implemented? 

It may not have been implemented when Debian took their snapshot of
pvops for the Squeeze release or there may have been missing bugfixes.
Can you try the latest xen.git#xen/stable-2.6.32?

> Some infos:

It might be interesting to see the equivalent on a working system. Also
a complete dmesg from each case would be useful.

Ian.

> 
> xm dmesg after xm debug-key c:
> --------------------------------
> (XEN) 'c' pressed -> printing ACPI Cx structures
> 
> xenpm get-cpuidle-states 0
> --------------------------
> Max C-state: C7
> 
> cpu id               : 0
> total C-states       : 0
> idle time(ms)        : 0
> pc3                  : [00000000000000000018 ms]
> pc6                  : [00000000000000004294 ms]
> pc7                  : [00000000000140733193 ms]
> cc3                  : [00000000000000000000 ms]
> cc6                  : [00000000000000000006 ms]
> 
> xm info
> -------
> host                   : data
> release                : 2.6.32-5-xen-amd64
> version                : #1 SMP Thu May 19 01:16:47 UTC 2011
> machine                : x86_64
> nr_cpus                : 3
> nr_nodes               : 1
> cores_per_socket       : 3
> threads_per_core       : 1
> cpu_mhz                : 2210
> hw_caps                : 
> 178bf3ff:efd3fbff:00000000:00001310:00802001:00000000:000037ff:00000000
> virt_caps              : hvm
> total_memory           : 4094
> free_memory            : 373
> free_cpus              : 0
> xen_major              : 4
> xen_minor              : 1
> xen_extra              : .0
> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
> hvm-3.0-x86_32p hvm-3.0-x86_64
> xen_scheduler          : credit
> xen_pagesize           : 4096
> platform_params        : virt_start=0xffff800000000000
> xen_changeset          : unavailable
> xen_commandline        : dom0_mem=256M dom0_vcpus_pin cpuidle 
> cpufreq=xen
> cc_compiler            : gcc version 4.4.5 (Debian 4.4.5-8)
> cc_compile_by          : root
> cc_compile_domain      :
> cc_compile_date        : Fri Jun  3 17:03:43 CEST 2011
> xend_config_format     : 4
> 
> 
> 
> 
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