On Thu, 28 Feb 2008, Tomas Pospisek wrote:
On Fri, 22 Feb 2008, Tomas Pospisek wrote:
I'm seeing the same bug with a custom compiled vanilla upstream kernel in
qemu 0.9.1-1.
Host platform is:
# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 6
cpu MHz : 864.501
cache size : 256 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 up
bogomips : 1730.86
clflush size : 32
The guest kernel in qemu is configured as follows:
[...]
#
# Processor type and features
#
[...]
# CONFIG_MPENTIUMIII is not set
CONFIG_MPENTIUMM=y
Since the host CPU is an old P3 but the guest kernel was compiled for Pentium
M, I thought that could be the problem and recompiled the qemu guest kernel
for P3:
CONFIG_MPENTIUMIII=y
# CONFIG_MPENTIUMM is not set
but when I run the resulting kernel inside qemu I still get the same problem.
A kernel built with:
CONFIG_M486=y
works.
*t
--
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Tomas Pospisek
http://sourcepole.com - Linux & Open Source Solutions
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