Xen users - Oct 2013 - pci-attach on dom0 kernel versions above 3.8 crashes dom0

I''m still having trouble getting passthrough to work on kernels above
3.8.

Currently I''m trying with kernel 3.11 to passthrough a intel X520 using
ixgbevf.
Attached kernel messages from both xen, dom0 and domU - please let me know if
more is needed.

Basically what happens is this:

dom0# xl pci-attach vm1 ''0000:01:12.3,permissive=1''

[  392.559370] pciback 0000:01:12.3: enabling permissive mode configuration
space accesses!
[  392.559557] pciback 0000:01:12.3: permissive mode is potentially unsafe!
[  393.174082] xen_pciback: vpci: 0000:01:12.3: assign to virtual slot 0
[  393.208783] pciback 0000:01:12.3: enabling device (0000 -> 0002)
[  393.271754] ixgbe 0000:01:00.1 eth1: VF Reset msg received from vf 9

(XEN) mm.c:807: d1: Forcing read-only access to MFN d5324
(XEN) mm.c:807: d0: Forcing read-only access to MFN d5324
(XEN) mm.c:618:d0 Could not get page ref for pfn d5324
(XEN) mm.c:618:d0 Could not get page ref for pfn d5324
(XEN) mm.c:618:d0 Could not get page ref for pfn d5324
(XEN) mm.c:618:d1 Could not get page ref for pfn d5324


domU log:

[  130.262110] BUG: unable to handle kernel paging request at ffffc9000030200c
[  130.262133] IP: [<ffffffff812008f2>] __msix_mask_irq+0x21/0x24
[  130.262154] PGD 75a40067 PUD 75a41067 PMD 75b44067 PTE 8010000000000464
[  130.262176] Oops: 0003 [#1] SMP 

Any help is greatly appreciated.

Regards
Kristoffer







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I wonder if a bug report about this should be addressed to a kernel, XEN or
Intel maintainer ?



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On Thu, 2013-10-03 at 05:30 -0700, Kristoffer Harthing Egefelt
wrote:
> I wonder if a bug report about this should be addressed to a kernel, XEN or
> Intel maintainer ?
xen-devel would be a better place than xen-users. 

Please also see http://wiki.xen.org/wiki/Reporting_Bugs_against_Xen

Ian.