On Mon, 19 Nov 2012 20:15:24 +0000
john <j...@jdm.myzen.co.uk> wrote:

> Hi Gentoo.
> 
> I have recently got a FX8350 and all is going very well.
> After a week of using I have had no issues and then realised I had not
> set man number of cpus in kernel config. 
> 
> This was set to 6. So as FX8350 is an eight core beast. I decided to
> set to 8.
> 
> Upon reboot the boot hangs at 
> 
> waiting for uevents to be processed.
> 
> This hangs for 60 seconds and then starts spitting out the following
> 
> timeout killing /sbin/modprobe -bv xcpu_vendor 0002 + lots of 4 long
> numbers. Sorry, I cannot trap these as they fly by.
> 
> in a continous loop. 
> 
> Reset required.
> 
> Booting from old kernel is still ok (6 cores set).
> 
> Looking in /proc/cpuinfo there are only 6 cores.
> 
> I can boot ok from Windows which shows 8 cores and I have also updated
> BIOS to latest version.
> 
> Any ideas
> 
> Is there any way to detect or test that I using 8 cores?
> 

Have tried booting from Arch linux which boots fine and shows 8 cores
in /proc/cpuinfo

I must be missing a kernel config option somewhere but do not
understand why a simple change from 6 to 8 cpus should make a
difference.

-- 
John D Maunder

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