[fedora-virt] Fedora 14 KVM - all SMP 2.6.35.x guests are hanging

[Richard Chan]

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

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/

Thanks