Re: 2.6.16 Guest Hangs on Boot

Alec Joseph Rivera
2010-09-16T09:57:09Z

On Thu, 2010-09-16 at 16:32 +0800, Dave Young wrote:
> On Thu, Sep 16, 2010 at 4:17 PM, Alec Joseph Rivera <eijhei@gmail.com> wrote:
> > On Wed, 2010-09-15 at 22:37 +0400, Michael Tokarev wrote:
> >> Alec Joseph Rivera wrote:
> >> []
> >> >> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> >> >> Memory: 1022272k/1048564k available (1671k kernel code, 25488k reserved, 890k data, 200k init, 131064k highmem)
> >> >> Checking if this processor honours the WP bit even in supervisor mode... Ok.
> >> > -- end
> >>
> >> Hm. There was some error with earlier kernels and
> >> kvm that resulted in exactly this behavour. Maybe
> >> even a (guest) kernel bug.. no? My memory is vague
> >> in this area, but it tells there was something...
> >>
> >
> > Hi Michael:
> >
> > I suspect has something to do with loops (re: bogomips calibration) or
> > timers (re: calibration + pci probing). Will verify this when I get the
> > time to read the source.
> >
> > Maybe someone more familiar with this kernel area can shed some light on
> > the topic too...? :-) only if I'm not stretching too much..
>
> boot with param lpj=xxx to avoid calibration
>
> copy xxx value from your normal boot kernel messages

Hi Dave:

Crossing out calibration, added the lpj parameter (and combinations with
-no-hpet and -no-kvm-irqchip) but still hangs after WP bit checking.

> >
> >> /mjt
> >
> >
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