Re: Intel Core 2 Quad Q8400 reported as Unknown CPU

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On Fri, Apr 29, 2011 at 05:50:00PM +0300, Tomas.Linden@xxxxxxxxxxx wrote:
 > Hello!
 > 
 > I upgraded my Intel Core 2 Duo to a Core 2 Quad Q8400 on my Intel DP35DP motherboard.
 > I send this mail because I found this messages in my dmesg:
 > 
 > p4-clockmod: Unknown CPU. Please send an e-mail to <cpufreq@xxxxxxxxxxxxxxx>
 > p4-clockmod: Unknown CPU. Please send an e-mail to <cpufreq@xxxxxxxxxxxxxxx>
 > p4-clockmod: Unknown CPU. Please send an e-mail to <cpufreq@xxxxxxxxxxxxxxx>
 > p4-clockmod: Unknown CPU. Please send an e-mail to <cpufreq@xxxxxxxxxxxxxxx>

ignore it, p4-clockmod is a waste of bits anyway. 

 > cpuinfo and dmesg are at the end of this e-mail. I'm a bit worried because
 > I bought the new CPU to have hardware virtualization support (VT-X).
 >   http://ark.intel.com/Product.aspx?id=38512&processor=Q8400&spec-codes=SLGT6
 > but cpuinfo does not list the vtx flag for me. I'm using Fedora 13 and I
 > tried booting to a F14 USB stick as well and neither shows the vtx flag.

 ...
 
 > processor	: 0
 > vendor_id	: GenuineIntel
 > cpu family	: 6
 > model		: 23
 > model name	: 06/17
                  ^^^^^
This is a sign your BIOS has no idea what that CPU is. It should be a nice
non-numeric name.

Which could explain why VTX isn't showing up.  (Possibly also EST too, which
would be much better than using p4-clockmod).

Look for a BIOS update.

	Dave

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