Re: [Qemu-devel] QEMU release 0.7.1

[Doctor Bill]

I don't have any actual benchmarks, but it is definitely much faster
than under Windows with kqemu.  Under XP Pro windows are opening about
4 times faster...  Note that there appears to be a few new bugs in the
emulation.  First off, I could not get Explore.exe to finish
initializing in default login mode.  It would draw the background and
that is it.  I sent ctrl-alt-delete so I could open the task manager
and try things like rebooting, logging out, etc.  I then reverted back
to the previous version.  On a whim, I added a few more accounts so XP
would show a login screen and then tried the new version again.  When
starting up with a login screen XP pro seems to work normally, and
much faster.

I then noticed my network wasn't connecting.  With the old version, XP
Pro always failed to connect to the slirp DHCP server, but it
correctly reverted to my alternate configuration.  With the new
version, it wasn't even picking up the alternate configuration.  After
some experimentation I found disabling IEEE 802.1x authentication
solved the problem of picking up my alternate configuration.

I've also noticed when running XP Pro on my XP Home host, that
occasionally the speed slows down by a factor of 10x and then remains
slow until I restart the emulator.  This is both with the old and new
version.  In fact, this happened for the first time while installing
XP Pro, so it took several hours to complete the last couple of
minutes of the installation process.  I have not experienced this slow
down problem with any other guest OS's.

Bill


On 7/26/05, Christian MICHON <address@hidden> wrote:
> On 7/26/05, Mike Tremoulet wrote:
> > Outstanding work!  I've been a fan of QEMU as a free emulator for some time.
> >
> > The changelog mentions that the KQEMU accelerator is now available as
> > a preliminary executable for Windows.  I've not been able to find a
> > link to that version anywhere.  Should I pull down the sources and
> > compile on my Linux machine, or is there a pre-compiled version about?
> >
> 
> How could I miss this from the Changelog. Shame on me :)
> The kqemu 0.7.1 download link is on qemu homepage.
> 
> I did not manage to compile a newer kqemu.sys, so I used
> the binary inside the archive directly. It works and **rocks**.
> 
> The ravi-demo (winosi) shows inside win2k3 guest a 10x
> improvement in refresh rate (2.56fps vs ~29fps).
> 
> Inside a linux guest, linux 2.6.10 compilation takes now
> 4 minutes. Used to be more than 20 minutes without kqemu.
> 
> So apparently kqemu on windows host now works.
> Bravo Fabrice. Cool achievement :)
> 
> Thanks again.
> Christian
> 
> 
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