john <j...@jdm.myzen.co.uk> wrote: >On Mon, 19 Nov 2012 22:57:49 +0100 >"J. Roeleveld" <jo...@antarean.org> wrote: > >> john <j...@jdm.myzen.co.uk> wrote: >> >> >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. >> >> Have you tried comparing the kernel config between your kernel and >> the one arch linux uses? >> >> -- >> Joost > >Tried the 3.6.6 kernel which sorts this problem (same as Arch). Perhaps >a kernel bug ??? But have no idea really. Fascinating. Will have >another dig tomorrow > >Was using 3.5.7. Did try make mrproper, removing all modules from boot >but nothing helped with that kernel. > >Although I didn't compare the kernels it suggested to me to use a >different version which sorted the issue. > >I can now use all 8 cores. What will I do? I've never know such times > > >thanks
If it isn't broke. Don't try to fix it. In other words. I would keep the working kernel. Bugs do occasionally appear. -- Joost -- Sent from my Android phone with K-9 Mail. Please excuse my brevity.
