On 6/5/07, Avi Kivity <avi@xxxxxxxxxxxx> wrote:Luca Tettamanti wrote:
> Il Mon, Jun 04, 2007 at 11:51:10PM +0300, Avi Kivity ha scritto:
>>> While doing repeated tests with the installer I ran into another
>>> (unrelated) problem. Sometimes the guest kernel hangs at boot at:
>>> NET: Registered protocol family 2
>>> with any kind of networking options (except for -net none, which works).
>>> With -no-kvm it boots with any networking option.
>> Can you try to pin the guest on a single core with taskset:
>> taskset 1 qemu ...
> Doesn't help. What works is 'nolapic', i.e. disabling the local APIC on
> the guest kernel.
> I've also tried disabling TSC (notsc) and forcing PIT as the clocksource
> (clocksouce=pit clock=pit); neither of them helped.
Is this a regression relative to a previous kvm version?
sorry for the delay, I was having troubles compiling older KVMs with a
The last version that works is kvm-21; starting from kvm-22 the VM
hangs during network initialization (now always, but pretty often).
This only occurs when the guest is Fedora7 setup ISO. The regular boot
(i.e. from the hd) seems unaffected.