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[Qemu-devel] Re: -kernel-kqemu and a linux guest
From: |
alex |
Subject: |
[Qemu-devel] Re: -kernel-kqemu and a linux guest |
Date: |
Sat, 18 Mar 2006 06:33:45 -0000 |
User-agent: |
KNode/0.9.1 |
Brad Campbell wrote:
> 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
I have a similar problem on gentoo and debian hosts.
WinXP guest runs fine with -kernel-kqemu, fedora, slax, gentoo livecd guests
fail during the boot process. w98 does not boot either. Without
-kernel-kqemu they all run fine.
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