Brad Campbell wrote:
G'day all,
I've had *great* results running win2k and xp with -kernel-kqemu on an
Athlon host under linux 2.6,
however my experiments using a linux guest have resulted in complete
kernel bombs..
Is there anything I should be doing/thinking about when compiling a
linux kernel for use as a guest under -kernel-kqemu?
All the ones I have tried thus far (from debian stock kernels through to
latest GIT) have just oopsed or segfaulted early in the boot process..
More info..
Tried with a brand new shiny 2.6.15.6 kernel..
screendump and .config at http://fnarfbargle.dyndns.org:81/qemu-oops/
Also oops2.jpg is the vanilla Debian 2.4 kernel from R3.1
I've tried 2.6 with the command line:
qemu -hda vm-1.img -kernel /tracks/linux/linux-2.6.15-rc7-git6-qemu/arch/i386/boot/bzImage -m 64
-kernel-kqemu
and 2.4 with the command line (as it boots from grub and the kernel is in the
hard disk image):
qemu -hda vm-1.img -m 64 -kernel-kqemu
Without kqemu and just usermode kqemu it works just dandy.
My host is a PIII laptop :
bklaptop:~>cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 11
model name : Intel(R) Pentium(R) III Mobile CPU 1000MHz
stepping : 1
cpu MHz : 733.358
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat
pse36 mmx fxsr sse
bogomips : 1468.39
I'm using the very latest kqemu binary and latest qemu cvs
Qemu compiled with
bklaptop:~>gcc --version
gcc (GCC) 3.3.6 (Debian 1:3.3.6-10)
Copyright (C) 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Host and Guest Kernel and kqemu module compiled with
bklaptop:~>gcc --version
gcc (GCC) 4.0.3 20060212 (prerelease) (Debian 4.0.2-9)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Regards,
Brad
--
"Human beings, who are almost unique in having the ability
to learn from the experience of others, are also remarkable
for their apparent disinclination to do so." -- Douglas Adams
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