From: Troy Benjegerdes <hozer@hozed.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] -win2k-hack performance+DMA support
Date: Wed, 19 Apr 2006 19:32:26 -0500 [thread overview]
Message-ID: <20060420003225.GH15855@narn.hozed.org> (raw)
In-Reply-To: <43EB4BC9.3030002@wasp.net.au>
On Thu, Feb 09, 2006 at 06:03:53PM +0400, Brad Campbell wrote:
> Leonardo E. Reiter wrote:
> >Attached is a patch which greatly speeds up disk writes when using
> >-win2k-hack to install Windows 2000. It only delays every 16th
> >interrupt, which after rigorous testing is still enough to overcome the
> >"Windows 2000 disk full" bug. If you are really adventurous you can try
> >it every 32nd time, but for me that caused problems during some
> >installations, so I thought it was too aggressive.
> >
> >This patch also adds -win2k-hack functionality to DMA writes, since DMA
> >now works in the latest CVS QEMU.
> >
>
> Using todays CVS, and kqemu in user mode only I tried to install Win2k-SP4
> 25 times all with disk full errors until I applied this patch.
> It would appear the installer will use DMA mode if it's available and
> therefore the existing win2k-hack does not work.
>
> Using this patch 5 out of 5 installs worked perfectly.
>
> Thanks Leo :)
>
> Regards,
> Brad
with current CVS, I am unable to install win2k.. This patch appears to
be needed for win2k installs to work.
With this patch, I am able to install w2k with user-kqemu.
prev parent reply other threads:[~2006-04-20 0:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-02 18:38 [Qemu-devel] [PATCH] -win2k-hack performance+DMA support Leonardo E. Reiter
2006-02-09 14:03 ` Brad Campbell
2006-02-09 19:35 ` Leonardo E. Reiter
2006-04-20 0:32 ` Troy Benjegerdes [this message]
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