From: "Sven Köhler" <skoehler@upb.de>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: DMA with Knoppix and qemu (cvs-version)
Date: Fri, 05 May 2006 17:59:38 +0200 [thread overview]
Message-ID: <e3fspa$r6q$1@sea.gmane.org> (raw)
In-Reply-To: <e3e7eh$ir1$1@sea.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 376 bytes --]
> i just booted a recent knoppix-cd (4.0.2) and i'm trying to enable DMA,
> but it won't work!
>
> I started qemu with that command:
>
> qemu -m 256 -cdrom knoppix.iso -boot d
>
> But inside knoppix, a "hdparm -d1 /dev/hdc" won't work:
> HDIO_SET_DMA failed: Operation not permitted
Ah ha! DMA mode work for harrdisks, but not for cdroms.
Strange - why?
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 251 bytes --]
next prev parent reply other threads:[~2006-05-05 16:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-05 0:49 [Qemu-devel] DMA with Knoppix and qemu (cvs-version) Sven Köhler
2006-05-05 15:59 ` Sven Köhler [this message]
2006-05-06 4:06 ` andrzej zaborowski
2006-05-07 17:42 ` [Qemu-devel] " Sven Köhler
[not found] ` <20060507084025.GB22044@suse.de>
2006-05-08 13:31 ` [Qemu-devel] " andrzej zaborowski
-- strict thread matches above, loose matches on Subject: below --
2006-05-05 16:05 [Qemu-devel] " Ben Taylor
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='e3fspa$r6q$1@sea.gmane.org' \
--to=skoehler@upb.de \
--cc=qemu-devel@nongnu.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;
as well as URLs for NNTP newsgroup(s).