[Xen-devel] Re: CONFIG_SPARSE_IRQ breaks single VCPU domain 0 between xen/master and xen/next

[Erik Brakkee <erik@xxxxxxxxxxx>]

Ian Campbell <Ian.Campbell <at> citrix.com> writes:

> 
> With a single VCPU domain 0 (either due to hardware on dom0_max_vcpus=1)
> and CONFIG_SPARSE_IRQ on xen/next I see:
> 
>         Kernel panic - not syncing: No available IRQ to bind to: increase
nr_irqs! (currently 256, started from 256)
> 


The strange thing is that the kernel panic at boot also appears with xen/master
now. I am using the .config from
http://wiki.xensource.com/xenwiki/XenParavirtOps. This behavior is occurring on
a Sony Vaio F11 laptop (Core i7 720QM, 8GB memory).

Is there a simple workaround for this problem?





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