public inbox for kvm@vger.kernel.org
 help / color / mirror / Atom feed
From: Dor Laor <dor.laor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Norbert Preining <preining-DX+603jRYB8@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	Arnon Gilboa
	<arnon.gilboa-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Subject: Re: kvm with usb slow
Date: Mon, 07 Jan 2008 00:03:27 +0200	[thread overview]
Message-ID: <4781502F.9010304@qumranet.com> (raw)
In-Reply-To: <20080106164153.GO4981-DqSSrKF0TaySnEC3TeqHn5dqbFPxfnh/@public.gmane.org>


[-- Attachment #1.1: Type: text/plain, Size: 1687 bytes --]

Norbert Preining wrote:
>
> Hi all,
>
> (please Cc, thanks)
>
> I am running kernel 2.6.24-rc6 and kvm-56 (or was it 55) and as soon as
> I plug an usb device with usb enabled it is getting terrible slow. I
> have searched a bit and it seems to be related to async i/o not being
> implemented.
>
Can you please tell the device type, is it usb2.0 or usb1.1 ?
Is running with -no-kvm improve something?
>
> Is this expected behaviour, and if yes, are there patches floating around
> for testing?
>
Arnon will send updated patches soon.
>
> Best wishes
>
> Norbert
>
> -------------------------------------------------------------------------------
> Dr. Norbert Preining <preining-DX+603jRYB8@public.gmane.org>        Vienna University of 
> Technology
> Debian Developer <preining-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>                         Debian 
> TeX Group
> gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 
> 09C5 B094
> -------------------------------------------------------------------------------
> HASTINGS (pl.n.)
> Things said on the spur of the moment to explain to someone who comes
> into a room unexpectedly precisely what it is you are doing.
>                         --- Douglas Adams, The Meaning of Liff
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> kvm-devel mailing list
> kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> https://lists.sourceforge.net/lists/listinfo/kvm-devel
>


[-- Attachment #1.2: Type: text/html, Size: 3483 bytes --]

[-- Attachment #2: Type: text/plain, Size: 228 bytes --]

-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2005.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/

[-- Attachment #3: Type: text/plain, Size: 186 bytes --]

_______________________________________________
kvm-devel mailing list
kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
https://lists.sourceforge.net/lists/listinfo/kvm-devel

  parent reply	other threads:[~2008-01-06 22:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-06 16:41 kvm with usb slow Norbert Preining
     [not found] ` <20080106164153.GO4981-DqSSrKF0TaySnEC3TeqHn5dqbFPxfnh/@public.gmane.org>
2008-01-06 22:03   ` Dor Laor [this message]
2008-01-07 18:04   ` Arnon Gilboa
     [not found]     ` <64F9B87B6B770947A9F8391472E032161047900C-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2008-01-08  7:26       ` Norbert Preining

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=4781502F.9010304@qumranet.com \
    --to=dor.laor-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
    --cc=arnon.gilboa-atKUWr5tajBWk0Htik3J/w@public.gmane.org \
    --cc=dor.laor-atKUWr5tajBWk0Htik3J/w@public.gmane.org \
    --cc=kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    --cc=preining-DX+603jRYB8@public.gmane.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