From: "Blue Swirl" <blauwirbel@gmail.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] sparc dma length bug(and fix) seen with NetBSD
Date: Tue, 1 Jul 2008 21:00:18 +0300 [thread overview]
Message-ID: <f43fc5580807011100h28d5378bw584685eeb08379d1@mail.gmail.com> (raw)
In-Reply-To: <20080701102338.e756a168.cliff@snipe444.org>
On 7/1/08, Cliff Wright <cliff@snipe444.org> wrote:
> Using QEMU 0.9.1 for sparc emulation, a dma length bug is seen with NetBSD.
> When an 8192 byte block is read to memory using dma into non-contiguous
> memory, the 2nd 4k block of contiguous memory is also written to.
> This is due to an incorrect variable being used for length.
> See the attached patch. I see the same bug on subversion trunk.
Excellent, with the patch in place I was able to install NetBSD 4.0 to
hard disk and boot to the installed system! The only wart was that
installer could not reboot the system, but that's probably a bug in
OpenBIOS (need to make reboot HW MMIO mapping more robust).
prev parent reply other threads:[~2008-07-01 18:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-01 17:23 [Qemu-devel] sparc dma length bug(and fix) seen with NetBSD Cliff Wright
2008-07-01 18:00 ` Blue Swirl [this message]
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=f43fc5580807011100h28d5378bw584685eeb08379d1@mail.gmail.com \
--to=blauwirbel@gmail.com \
--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).