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Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git)
From: |
Alex Williamson |
Subject: |
Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git) |
Date: |
Mon, 11 Apr 2011 13:00:32 -0600 |
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
- [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Luiz Capitulino, 2011/04/08
- [Qemu-devel] Re: Slow PXE boot in qemu.git (fast in qemu-kvm.git), Anthony Liguori, 2011/04/08
- [Qemu-devel] Re: Slow PXE boot in qemu.git (fast in qemu-kvm.git), Stefan Hajnoczi, 2011/04/09
- [Qemu-devel] Re: Slow PXE boot in qemu.git (fast in qemu-kvm.git), Avi Kivity, 2011/04/10
- Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Luiz Capitulino, 2011/04/12
- Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Luiz Capitulino, 2011/04/11
- Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Jan Kiszka, 2011/04/11
- Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Alex Williamson, 2011/04/11
- Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Jan Kiszka, 2011/04/11
- Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Jan Kiszka, 2011/04/11
- Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git), Paolo Bonzini, 2011/04/12