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>
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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
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next prev 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
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