From: Jan Kiszka <jan.kiszka@web.de>
To: Georg Hopp <georg@steffers.org>
Cc: kvm@vger.kernel.org
Subject: Re: current qemu-kvm doesn't work with vhost
Date: Fri, 17 Jun 2011 09:29:41 +0200 [thread overview]
Message-ID: <4DFB0265.2090305@web.de> (raw)
In-Reply-To: <loom.20110617T090035-235@post.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 1104 bytes --]
On 2011-06-17 09:10, Georg Hopp wrote:
> Jan Kiszka <jan.kiszka <at> web.de> writes:
>>
>> On 2011-06-10 05:08, Amos Kong wrote:
>>> host kernel: 2.6.39-rc2+
>>> qemu-kvm : 05f1737582ab6c075476bde931c5eafbc62a9349
>>>
>>> (gdb) r -monitor stdio -m 800 ~/RHEL-Server-6.0-64-virtio.qcow2 -snapshot
> -device
>> virtio-net-pci,netdev=he -netdev tap,vhost=on,id=he
>>>
>>
>> I already came across that symptom in a different context. Fixed by the
>> patch below.
>>
>> However, the real issue is related to an upstream cleanup of the
>> virtio-pci build. That reveals some unneeded build dependencies in
>> qemu-kvm. Will post a fix.
>>
>> Jan
>
> FYI
>
> I encountered the same problem and applied the patch.
>
> Well this results in the following error while starting the guest:
>
> qemu-system-x86_64: unable to start vhost net: 38:
> falling back on userspace virtio
>
> and i have no network at all. I will disable vhost=on for now.
Hmm, works fine for me. The vhost-net module is loaded (though I got a
different message when I forgot to load it)?
Jan
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 259 bytes --]
next prev parent reply other threads:[~2011-06-17 7:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-10 3:08 current qemu-kvm doesn't work with vhost Amos Kong
2011-06-10 6:12 ` Jan Kiszka
2011-06-17 7:10 ` Georg Hopp
2011-06-17 7:29 ` Jan Kiszka [this message]
2011-06-17 20:31 ` AW: " Georg Hopp
2011-06-19 8:58 ` Jan Kiszka
2011-06-21 4:59 ` AW: " Georg Hopp
2011-06-21 5:20 ` Georg Hopp
2011-06-19 8:56 ` Avi Kivity
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4DFB0265.2090305@web.de \
--to=jan.kiszka@web.de \
--cc=georg@steffers.org \
--cc=kvm@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox