[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] I cannot get any message from domU by console / pv_ops domU kernel crashes with xen_create_contiguous_region failed
On Tue, 2009-12-22 at 14:35 +0000, Konrad Rzeszutek Wilk wrote: > On Tue, Dec 22, 2009 at 09:20:15AM +0000, Ian Campbell wrote: > > On Tue, 2009-12-22 at 08:42 +0000, Pasi KÃrkkÃinen wrote: > > > > (early) [ 0.000000] PCI-DMA: Using Xen software bounce > > > buffering for IO > > > > (Xen-SWIOTLB) > > > > (early) [ 0.000000] Kernel panic - not syncing: > > > > <3>xen_create_contiguous_region failed > > > > > > > > > > Did you try cgroup_disable=memory kernel option? > > > > I think this is more likely to relate to the failure to initialise > > swiotlb due to the failure of xen_create_contiguous_region, leading to a > > panic. IIRC the guest won't be privileged enough to make this call > > unless it has PCI passthrough enabled. > > Not so. You can still make the call even if you don't have PCI passthrough > enabled. The up call is just to replace MFNs. I thought it used to be that you could only (successfully) make order>0 increase_reservation or mem_exchange hypercalls if you had I/O privileges? Has this changed? Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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