Am 22.11.11 15:42, schrieb Tim Evers:> I have a lucid domu running kernel 2.6.35.13 which crashes at boot time
> with error:
>
> [ 0.210000] kernel BUG at
>
/build/buildd/linux-lts-backport-maverick-2.6.35/arch/x86/xen/spinlock.c:344!
> [ 0.210000] invalid opcode: 0000 [#1] SMP
> [ 0.210000] last sysfs file:
> [ 0.210000] CPU 5
> [ 0.210000] Modules linked in:
> [ 0.210000]
> [ 0.210000] Pid: 18, comm: migration/5 Not tainted 2.6.35-31-virtual
> #62~lucid1-Ubuntu /
>
> Disabling CONFIG_PARAVIRT_SPINLOCKS in domu kernel configs solves this
> crash. Various xen and dom0 versions do not work with
> CONFIG_PARAVIRT_SPINLOCKS on:
>
> xen-4.0.1 / 2.6.32.31
> xen-4.0.4-rc1-pre / 3.1.2
> xen-4.1.3-rc1-pre / 3.1.2
> xen-4.0.4-rc1-pre / 2.6.32.31
>
> Any idea anyone what might be happenigng here?
Additional info:
this only happens if more cpus are configured than used (maxvcpus > vcpus)
Regards,
Tim