panic: NULL softc for 0

Alex Deiter tiamat at
Fri Nov 21 14:23:49 PST 2003

> Is this an SMP box?  If so, please do:

This Intel® Server Board SE7501BR2 with one CPU and enabled Hyper-Threading.

>   x/xl cpu_softc
>   x/xl cpu_softc+4
>   x/xl cpu_softc+8

panic: NULL softc for 0
cpuid = 0;
Stopped at      Debugger+0x55:  xchgl   %ebx,in_Debugger.0
db> x/xl cpu_softc
cpu_softc:      0
db> x/xl cpu_softc+4
cpu_softc+0x4:  c68e8a00
db> x/xl cpu_softc+8
cpu_softc+0x8:  0

> And send me the output of
>   acpidump -t -d > tiamat-MachineType.asl



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