From: Jens Axboe <qemu@kernel.dk>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] enabling bus-master IDE driver
Date: Thu, 11 Nov 2004 20:06:49 +0100 [thread overview]
Message-ID: <20041111190649.GE11488@suse.de> (raw)
In-Reply-To: <4193A177.1030308@brittainweb.org>
On Thu, Nov 11 2004, Jason Brittain wrote:
> I just pulled the latest source from CVS (today's), and tried
> looking at DMA again.
>
> Host: Linux 2.6 (Fedora Core 2)
> Guest: XP corp.
> It still says the primary IDE channel is in PIO mode, and
> doesn't seem any faster.
>
> Host: Linux 2.6 (Fedora Core 2)
> Guest: Linux 2.6
> hdparm now reports that DMA is on for /dev/hda, and I can also
> turn it on and off. With it on, it's about twice as fast as
> it is with it off. So, this seems to work.
If I could install XP, I could take a look. But it will boot for me
after install, just hangs. If I restart qemu, it complains about a bad
boot loader.
If I get time I'll look into this.
--
Jens Axboe
next prev parent reply other threads:[~2004-11-11 19:17 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-04 20:35 [Qemu-devel] enabling bus-master IDE driver Simon Frew
2004-11-05 13:32 ` zitu
2004-11-05 15:02 ` zitu
2004-11-06 1:53 ` Jason Brittain
2004-11-06 14:27 ` Johannes Schindelin
2004-11-06 21:52 ` Jason Brittain
2004-11-07 9:03 ` Jens Axboe
2004-11-07 9:21 ` Jens Axboe
2004-11-07 9:38 ` Jens Axboe
2004-11-07 11:01 ` Hetz Ben Hamo
2004-11-07 11:16 ` Jens Axboe
2004-11-08 10:15 ` zitu
2004-11-08 16:51 ` Andreas Bollhalder
2004-11-09 7:38 ` Paul Jakma
2004-11-09 10:28 ` Hetz Ben Hamo
2004-11-09 13:53 ` Paul Jakma
2004-11-11 17:29 ` Jason Brittain
2004-11-11 19:06 ` Jens Axboe [this message]
2004-11-11 19:02 ` Jason Brittain
2004-11-11 19:16 ` Jens Axboe
2004-11-12 8:42 ` Jens Axboe
2004-11-07 11:02 ` James Boddington
2004-11-10 1:41 ` James Boddington
2004-11-06 21:57 ` James Boddington
2004-11-06 22:11 ` James Boddington
2004-11-06 23:46 ` zitu
2004-11-07 0:41 ` jeebs
2004-11-07 7:12 ` Jason Brittain
-- strict thread matches above, loose matches on Subject: below --
2004-11-05 15:37 Juergen Keil
2004-11-05 15:43 ` zitu
2004-11-05 15:45 ` zitu
2004-11-05 15:52 ` Jens Axboe
2004-11-05 16:10 ` zitu
2004-11-05 17:30 ` Damien Mascord
2004-11-12 14:27 Juergen Keil
2004-11-12 18:02 ` Jason Brittain
2004-11-12 19:07 Juergen Keil
2004-11-16 19:41 ` Juergen Lock
2004-11-23 5:12 ` Norikatsu Shigemura
2004-11-25 21:12 ` Juergen Lock
2004-11-26 10:48 Juergen Keil
2004-11-28 20:09 ` Juergen Lock
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