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XEN 4.2.1 - Kernel Panic: The noapic parameter is incombatib
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matze79
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Joined: 08 Feb 2013
Posts: 3

PostPosted: Mon Feb 11, 2013 8:30 pm    Post subject: XEN 4.2.1 - Kernel Panic: The noapic parameter is incombatib Reply with quote

I installed a Gentoo Dom0 for a Friend now i get this error on boot with XEN/gentoo 3.3.8 kernel:

The noapic parameter is incompatible with Xen

There are some kernel parameter to add to get it bootet, but i don't know it anymore,
can anyone help me out ?

i have currently a simple workaround:
i removed this code from 3.3.8 kernel linux-3.3.8-gentoo/arch/x86/xen/smp.c
Code:

   if (skip_ioapic_setup) {
   char *m = (max_cpus == 0) ?
      "The nosmp parameter is incompatible with Xen; " \
      "use Xen dom0_max_vcpus=1 parameter" :
      "The noapic parameter is incompatible with Xen";
xen_raw_printk(m);
panic(m);
}


Now it works.

But this is not the final way to go, i remember it worked without this modification, simple by adding kernel parameters.


Thanks Matze
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