From: Alex Williamson <alex.williamson@redhat.com>
To: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>,
qemu-devel@nongnu.org, kvm@vger.kernel.org, avi@redhat.com,
mtosatti@redhat.com, mst@redhat.com, blauwirbel@gmail.com
Subject: Re: Slow PXE boot in qemu.git (fast in qemu-kvm.git)
Date: Mon, 11 Apr 2011 13:00:32 -0600 [thread overview]
Message-ID: <1302548432.3589.78.camel@x201> (raw)
In-Reply-To: <20110411153519.37f8316a@doriath>
On Mon, 2011-04-11 at 15:35 -0300, Luiz Capitulino wrote:
> On Fri, 08 Apr 2011 19:50:57 -0500
> Anthony Liguori <anthony@codemonkey.ws> 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
WARNING: multiple messages have this Message-ID (diff)
From: Alex Williamson <alex.williamson@redhat.com>
To: Luiz Capitulino <lcapitulino@redhat.com>
Cc: kvm@vger.kernel.org, mst@redhat.com, mtosatti@redhat.com,
qemu-devel@nongnu.org, blauwirbel@gmail.com, avi@redhat.com
Subject: Re: [Qemu-devel] Slow PXE boot in qemu.git (fast in qemu-kvm.git)
Date: Mon, 11 Apr 2011 13:00:32 -0600 [thread overview]
Message-ID: <1302548432.3589.78.camel@x201> (raw)
In-Reply-To: <20110411153519.37f8316a@doriath>
On Mon, 2011-04-11 at 15:35 -0300, Luiz Capitulino wrote:
> On Fri, 08 Apr 2011 19:50:57 -0500
> Anthony Liguori <anthony@codemonkey.ws> 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
next prev parent reply other threads:[~2011-04-11 19:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-08 23:25 Slow PXE boot in qemu.git (fast in qemu-kvm.git) Luiz Capitulino
2011-04-08 23:25 ` [Qemu-devel] " Luiz Capitulino
2011-04-09 0:50 ` Anthony Liguori
2011-04-09 0:50 ` [Qemu-devel] " Anthony Liguori
2011-04-09 12:03 ` Stefan Hajnoczi
2011-04-09 12:03 ` [Qemu-devel] " Stefan Hajnoczi
2011-04-10 8:19 ` Avi Kivity
2011-04-10 8:19 ` [Qemu-devel] " Avi Kivity
2011-04-11 18:35 ` Luiz Capitulino
2011-04-11 18:35 ` [Qemu-devel] " Luiz Capitulino
2011-04-11 19:00 ` Alex Williamson [this message]
2011-04-11 19:00 ` Alex Williamson
2011-04-11 19:15 ` Luiz Capitulino
2011-04-11 19:15 ` [Qemu-devel] " Luiz Capitulino
2011-04-11 20:04 ` Jan Kiszka
2011-04-11 20:04 ` [Qemu-devel] " Jan Kiszka
2011-04-11 20:14 ` Alex Williamson
2011-04-11 20:14 ` [Qemu-devel] " Alex Williamson
2011-04-11 20:18 ` Jan Kiszka
2011-04-11 20:18 ` [Qemu-devel] " Jan Kiszka
2011-04-11 20:29 ` Jan Kiszka
2011-04-11 20:29 ` [Qemu-devel] " Jan Kiszka
2011-04-12 8:09 ` Paolo Bonzini
2011-04-12 8:09 ` [Qemu-devel] " Paolo Bonzini
2011-04-11 21:05 ` Luiz Capitulino
2011-04-11 21:05 ` [Qemu-devel] " Luiz Capitulino
2011-04-11 21:18 ` Jan Kiszka
2011-04-11 21:18 ` [Qemu-devel] " Jan Kiszka
2011-04-12 0:39 ` Anthony Liguori
2011-04-12 0:39 ` [Qemu-devel] " Anthony Liguori
2011-04-12 7:42 ` Avi Kivity
2011-04-12 7:42 ` [Qemu-devel] " Avi Kivity
2011-04-09 10:34 ` Blue Swirl
2011-04-09 10:34 ` [Qemu-devel] " Blue Swirl
2011-04-11 12:51 ` Luiz Capitulino
2011-04-11 12:51 ` [Qemu-devel] " Luiz Capitulino
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