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Message-ID: <40747039.5080204@bellard.org>
Date: Wed, 07 Apr 2004 23:18:49 +0200
From: Fabrice Bellard <fabrice@bellard.org>
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Subject: [Qemu-devel] Re: QEMU >= 0.5.3 still broken?
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To: Herbert Poetzl <herbert@13thfloor.at>, qemu-devel@nongnu.org

Herbert Poetzl wrote:
> Hi Fabrice!
> 
> did a checkout of qemu a few minutes ago (from CVS)
> but qemu-fast and qemu (softmmu) is still broken for
> me ...
> 
> any plans to fix this, anything I could do to help?
> 
> just for the case you do not remember, ide hard disk
> emulation doesn't work for 2.6.x anymore (partitions
> and second hard disk are not recognized)
> 
> qemu 0.5.2 work without any issues, 0.5.3 and latest
> CVS fails ...

It is not an IDE problem: it is just that my new method to launch the 
kernel with '-kernel' in 0.5.3 does not preserve the partition table. I 
will try a fix (I did not see this problem because in my Linux tests I 
don't use hard disk partitions!).

The TSC problem you have seem to be linked to the 1000 Hz timer of the 
2.6 kernel. You must change HZ to 100 in asm/param.h. I'll make a patch 
for that soon in QEMU, but the emulation will be less efficient for 1000 
Hz clock as polling or /dev/rtc will be used on the host.

Fabrice.