Unfortunately all other clock sources don't work either.
The boot process reaches different stages but still gets stuck.

I reverted to a 2.6.32.x guest and that booted successfully to SMP /
desktop.

It seems to be a problem with 2.6.35.x kernels.




On Mon, Nov 1, 2010 at 7:44 PM, Glauber Costa <[email protected]> wrote:

> On Sat, 2010-10-30 at 21:51 +0800, Richard Chan wrote:
> > Hi,
> >
> > Running Fedora 14 Beta x86_64, yum updated, on AMD  Phenom X4 CPU.
> >
> > All KVM SMP 2.6.35 guests are hanging during boot; the odd thing is
> > that the console echoes characters but the system does not come up.
> >
> > E.g. I had a Ubuntu 10.04 guest which works ok; after upgrading to
> > 2.6.35 (Ubuntu 10.10) couldn't boot to shell.
> > Fedora 14 beta install DVD also fails to boot to anaconda
> >
> > The F14 Beta install DVD boots to
> >
> > hpet0: at MMIO 0xfed0000, IRQs 2, 8, 0
> > hpet0: 3 comparators, 64-bit 100.000000 MHz counter
> > Switching to clocksource kvm-clock
> >
> > I've tried clocksource=tsc =hpet0 = acpi_pm
>
> And the results are?
>
> > Tthe console can echo characters but nothing happens.
> >
> >
> > I sort of found this obscure thread on 2.6.35-rc1, pvclock, SMP
> > regressions
> >
> > https://patchwork.kernel.org/patch/226981/
> >
> Yeah, if it stops hanging with alternative clocksources, it is most
> definitely that.
>
>
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