Re: oops in pci_acs_path_enabled

2012-08-03 Thread Alex Williamson
On Fri, 2012-08-03 at 16:08 -0600, David Ahern wrote: > On 8/3/12 3:52 PM, Alex Williamson wrote: > > Is this the chunk that's causing the oops? > > Yes. And taking it out fixes passthrough as well. Hey David, One more test please. It looks like sriov creates buses with bus->self is NULL. I th

Re: oops in pci_acs_path_enabled

2012-08-03 Thread David Ahern
On 8/3/12 3:52 PM, Alex Williamson wrote: Is this the chunk that's causing the oops? Yes. And taking it out fixes passthrough as well. David diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 7469b53..27d8c97 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/

Re: oops in pci_acs_path_enabled

2012-08-03 Thread Alex Williamson
On Fri, 2012-08-03 at 15:12 -0600, David Ahern wrote: > On 8/3/12 2:21 PM, Alex Williamson wrote: > > On Fri, 2012-08-03 at 11:39 -0600, David Ahern wrote: > >> Hi Alex: > >> > >> Hitting an oops with 3.6-rc1. Backtrace from console attached. git blame > >> for the top function points to ad805758.

Re: oops in pci_acs_path_enabled

2012-08-03 Thread Alex Williamson
On Fri, 2012-08-03 at 11:39 -0600, David Ahern wrote: > Hi Alex: > > Hitting an oops with 3.6-rc1. Backtrace from console attached. git blame > for the top function points to ad805758. Hey David, Hmm, what's special about your system? I've got an 82576 here and the same path works fine. Any w