From: "andrzej zaborowski" <balrog@zabor.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] DMA with Knoppix and qemu (cvs-version)
Date: Sat, 6 May 2006 06:06:49 +0200 [thread overview]
Message-ID: <fb249edb0605052106y7312943j640e0f8b55b096b5@mail.gmail.com> (raw)
In-Reply-To: <e3e7eh$ir1$1@sea.gmane.org>
Hi there,
On 05/05/06, Sven Köhler <skoehler@upb.de> wrote:
> Hi,
>
> i just booted a recent knoppix-cd (4.0.2) and i'm trying to enable DMA,
> but it won't work!
>
> I started qemu with that command:
>
> qemu -m 256 -cdrom knoppix.iso -boot d
>
> But inside knoppix, a "hdparm -d1 /dev/hdc" won't work:
> HDIO_SET_DMA failed: Operation not permitted
>
Just a note: setting DMA through hdparm doesn't work on Linux since
tens of versions ago, it's been depreceted and you have to trust the
on-boot autodetection (and it works fine -- unless you didn't compile
the right driver in). It's the same on real machines.
>
> Are there some issues with qemu's DMA support and Linux?
> (qemu does have DMA support, doesn't it?)
>
>
> Greetings
> Sven
>
>
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>
>
>
>
Regards,
Andrzej
--
balrog 2oo6
Dear Outlook users: Please remove me from your address books
http://www.newsforge.com/article.pl?sid=03/08/21/143258
next prev parent reply other threads:[~2006-05-06 4:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-05 0:49 [Qemu-devel] DMA with Knoppix and qemu (cvs-version) Sven Köhler
2006-05-05 15:59 ` [Qemu-devel] " Sven Köhler
2006-05-06 4:06 ` andrzej zaborowski [this message]
2006-05-07 17:42 ` Sven Köhler
[not found] ` <20060507084025.GB22044@suse.de>
2006-05-08 13:31 ` [Qemu-devel] " andrzej zaborowski
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