[Qemu-devel] Re: QEMU on x86_64: some feedback and questions

[Loiseleur Michel <mloiseleur@linagora.com>]

Bruno Cornec a écrit :
> Hello,
> 
> I hope this kind of message is acceptable for this list.
> [I'm not a subscriber yet, please keep my address in cc:]
> 
> I'm the developper of a project (http://www.mondorescue.org) where I
> extensively use QEMU for generating all the packages I want to produce
> for my application.
> 
> Up to now my home system was an i686 machine and I had 26 different VMs
> to generate my sw for 26 different distros. All was fine, and kudos to
> the dev team for that.
> 
> I recently changed for a Core2 Duo machine, and began to add 64 bits
> virutal machines to the play. 
> 
> First point, all my 26 i386 VMs seem to still work fine.
> For x86_64 VMs, the results are mixed:
> 
> Fully operational for fedora 6, mandriva 2007.0, 2007.1, rhel 4 and 5.
> 
> My rhel 3 x86_64 VM is unable to reboot correctly. When no special
> parameter given to the kernel, it does 'Lost interrupts' after detecting
> my hda IDE drive, and finishes by a kernel panic. If I add noapic
> nolapic to the boot line, it goes further (without 'Lost interrupts'
> mesages) but panics during ethernet card setup (acpi irq messages).
> 
You can try also with -kernel-kqemu or with -no-kqemu. Sometimes, it's
more reliable.


Regards,
Michel