[fedora-virt] performance regressions in Fedora 13?

[Kenneth Armstrong]

Thanks Cole,

I filed this bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=596902


On Thu, May 27, 2010 at 1:29 PM, Kenneth Armstrong <digimars at gmail.com> wrote:
> Thanks Rich,
>
> I do have kvm_intel loaded, and I did verify that I'm using kvm as the
> hypervisor and not qemu.
>
> Something that occured to me is that I am using BTRFS with Fedora 13
> instead of EXT4, which is what I was using under F11.  I was under the
> impression that BTRFS was actually a bit quicker than EXT4 though.
>
> I do have SELinux enabled, but I'm not getting any AVC warnings.
>
> On Thu, May 27, 2010 at 11:41 AM, Richard W.M. Jones <rjones at redhat.com> wrote:
>> On Thu, May 27, 2010 at 11:33:35AM -0400, Kenneth Armstrong wrote:
>>> I used kvm/virt-manager heavily in Fedora 11 (helped me a GREAT deal
>>> in getting my RHCT).
>>>
>>> Now, I'm trying to use it again in Fedora 13 to prepare for my RHCE,
>>> but I'm finding it a LOT slower.
>>
>> The classic reason would be that you're not using KVM, but reverting
>> to software emulation (ie. pure qemu).  Did you install the guest with
>> acceleration enabled?  Is kvm-*.ko loaded?  What are the permissions
>> on /dev/kvm?  What's in the libvirt XML for the domain?
>>
>>> I can't install with an ISO image on
>>> my external driver (using ntfs-3g), it keeps failing with a
>>> permissions error.
>>
>> Whether or not this is selinux, this sounds like you should file a BZ.
>> It clearly should be a supported configuration.
>>
>> Rich.
>>
>> --
>> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
>> New in Fedora 11: Fedora Windows cross-compiler. Compile Windows
>> programs, test, and build Windows installers. Over 70 libraries supprt'd
>> http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw
>>
>