There is a bug in the FPU virtualization in kqemu which is only visible
in the kernel virtualization case. I am trying a fix.
Fabrice.
Zach Metzinger wrote:
Hi-
I'm using qemu-0.8.1 under FreeBSD 6.1-RELEASE from ports with
kqemu-1.3.0pre7 (also from ports). The guest OS is Windows XP SP2.
When I use the -kernel-kqemu flag to qemu, I get the following kernel
console messages:
Jun 21 14:04:57 jitter kernel: npxdna: fpcurthread == curthread 5173 times
Jun 21 14:04:57 jitter kernel: npxdna: fpcurthread == curthread 5174 times
<...>
This happens quite a bit (5-10 a second) when using any block device.
I assume this is because kernel I/O calls are being virtualized and
are the cause of this.
When I do not use -kernel-kqemu, I do not get these messages. In both
cases, Windows appears to work fine.
This thread:
http://tinyurl.com/mbm5l
appears to have some information on why this happens. Has a patch been
released to fix this bug?
--- Zach
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