Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git)

[Alex Williamson]

On Mon, 2011-04-11 at 15:35 -0300, Luiz Capitulino wrote:
> On Fri, 08 Apr 2011 19:50:57 -0500
> Anthony Liguori <address@hidden> wrote:
> 
> > On 04/08/2011 06:25 PM, Luiz Capitulino wrote:
> > > Hi there,
> > >
> > > Summary:
> > >
> > >   - PXE boot in qemu.git (HEAD f124a41) is quite slow, more than 5 
> > > minutes. Got
> > >     the problem with e1000, virtio and rtl8139. However, pcnet *works* 
> > > (it's
> > >     as fast as qemu-kvm.git)
> > >
> > >   - PXE boot in qemu-kvm.git (HEAD df85c051) is fast, less than a minute. 
> > > Tried
> > >     with e1000, virtio and rtl8139 (I don't remember if I tried with 
> > > pcnet)
> > >

I was having this problem too, but I think it's because I forgot to
build qemu with --enable-io-thread, which is the default for qemu-kvm.
Can you re-configure and build with that and see if it's fast?  Thanks,

Alex