From: Dave Airlie <airlied@gmail.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Avi Kivity <avi@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] vmware vga + kvm interaction
Date: Mon, 14 Dec 2009 06:00:24 +1000 [thread overview]
Message-ID: <21d7e9970912131200s73b6b691jb8c55f9fe12ca699@mail.gmail.com> (raw)
In-Reply-To: <4B252B8A.1070700@codemonkey.ws>
On Mon, Dec 14, 2009 at 3:59 AM, Anthony Liguori <anthony@codemonkey.ws> wrote:
> Avi Kivity wrote:
>>
>> On 12/13/2009 10:55 AM, Dave Airlie wrote:
>>>
>>> If I boot an F12 LiveCD with vmware VGA without KVM enabled, I get the
>>> syslinux boot screen and can pick
>>> options, the same qemu run with -enable-kvm, I just get a blank screen.
>>>
>>> Anyone have any clues on why this might be?
>>>
>>>
>>
>> One of the niceties of vmvga is that it accesses cpu registers in response
>> to an I/O instruction. Maybe this bit is broken. Does your hw/vmport.c
>> have cpu_synchronize_state() in vmport_ioport_read()?
>>
>> Hmm, upstream doesn't, so no surprise it is broken.
>
> vmware-vga does not use vmport.
>
> The issue is about related to dirty tracking and how the vbe bios memory
> gets mapped. I've posted patches on the list before.
>
I actually reinvented at least one of the patches locally and it
didn't seem to help,
but I'll try and take a closer look today,
Dave.
next prev parent reply other threads:[~2009-12-13 20:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-13 8:55 [Qemu-devel] vmware vga + kvm interaction Dave Airlie
2009-12-13 10:50 ` Avi Kivity
2009-12-13 17:59 ` Anthony Liguori
2009-12-13 20:00 ` Dave Airlie [this message]
2009-12-14 14:28 ` Anthony Liguori
2009-12-15 1:33 ` Dave Airlie
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=21d7e9970912131200s73b6b691jb8c55f9fe12ca699@mail.gmail.com \
--to=airlied@gmail.com \
--cc=anthony@codemonkey.ws \
--cc=avi@redhat.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).