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[Qemu-devel] Problem installing NT4 under QEMU 0.9.1 - IDE driver error
From: |
Mark Cave-Ayland |
Subject: |
[Qemu-devel] Problem installing NT4 under QEMU 0.9.1 - IDE driver error under high load? |
Date: |
Fri, 16 May 2008 16:28:23 +0100 |
User-agent: |
Mozilla-Thunderbird 2.0.0.9 (X11/20080109) |
Hi there,
I've been trying to install NT 4.0 workstation on a local qemu 0.9.1
instance under Linux x86_64, and I believe that I have come across an
error within the IDE driver under high load.
My initial process was as follows:
1) Image the installation CD on my local machine; this was to speed up
the installation process
dd if=/media/cdrom of=winnt4.img bs=1024
2) Create a new disk image
qemu-image create ntfs.img 2G
3) Fire up qemu and run the install:
qemu-system-x86_64 -hda /home/images/ntfs.img -cdrom
winnt4.img -vnc localhost:11 -no-acpi -win2k-hack -boot d
4) Run through the NT4 installation process
5) Reboot
Upon reboot, I get a BSOD and errors about files being corrupted on the
partition. However the error goes away, and the install completes fine
after the reboot if I use the cdrom directly, i.e. I run qemu like this:
qemu-system-x86_64 -hda /home/images/ntfs.img -cdrom
/dev/hda -vnc localhost:11 -no-acpi -win2k-hack -boot d
If I execute 'md5sum winnt4.img' and 'md5sum /dev/hda' then I get back
the same MD5 hash for both the physical CDROM copy and the local CD
image, so I am fairly sure the local CD image is not corrupt. I have
also tried with/without -win2k-hack and it doesn't seem to make a
difference.
My theory is that there is some form of race condition in the IDE driver
related to the transfer speed. When using the local winnt4.img CD
image, the installation is very quick, but the resulting file system
appears to be corrupted. When I use the real CD inserted into /dev/hda,
the installation is much slower but the file system appears fine.
Has anyone else experienced similar symptoms during normal QEMU usage?
Many thanks,
Mark.
--
Mark Cave-Ayland
Sirius Corporation - The Open Source Experts
http://www.siriusit.co.uk
T: +44 870 608 0063
- [Qemu-devel] Problem installing NT4 under QEMU 0.9.1 - IDE driver error under high load?,
Mark Cave-Ayland <=