[Xen-users] pci-attach on dom0 kernel versions above 3.8 crashes dom0

[Kristoffer Egefelt <kristoffer@xxxxxxx>]

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

Attachment: dom0.rtf
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Attachment: domU.rtf
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Attachment: xen.rtf
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