On 02/19/2013 01:05 PM, Jan Kiszka wrote:
> On 2013-02-19 12:22, Manuel Huber wrote:
>> Thanks for your reply and sorry for the delay ;)
>> I have tried disabling the options and attached the logs. It still fails :(
>>
>> I hope it's okay to attach so many files... I can also add the config
>> files for
>> every build if that helps.
>
> I'll try your config later, though in a different environment. If I'm
> unable to reproduce, I'll provide further instrumentation suggestions.
>
> Gilles instrumentation confirmed that the CPU is taking a standard
> external IRQ (#23: 0x37-FIRST_EXTERNAL_VECTOR). I suspect we are
> enabling hardware IRQs too early during the boot of secondary CPUs,
> causing this BUG as not all data structures are initialized yet. What
> enables then can be some code that we do not run normally, on x86-64 or
> maybe also x86-32 unless using your .config and/or your hardware.
Remember that we have had such problems with grub2, so, the error could
depend on the bootloader, for instance a network-aware bootloader could
keep the network interface configured and we would take an interrupt
when re-enabling interrupts.
--
Gilles.
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