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

["Plischke, Markus" <m.plischke@xxxxxxxxx>]

Hi exactly the same problem on my side, ive posted an detailed report under:

http://xen.1045712.n5.nabble.com/pci-passthrough-don-t-work-with-kernels-gt-3-8-td5718172.html#a5718174




-----Ursprüngliche Nachricht-----
Von: xen-users-bounces@xxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxx] 
Im Auftrag von rishi
Gesendet: Dienstag, 14. Januar 2014 22:08
An: xen-users@xxxxxxxxxxxxxxxxxxx
Betreff: Re: [Xen-users] pci-attach on dom0 kernel versions above 3.8 crashes 
dom0

I also have a similar problem where domU driver crashes when I try to 
pci-attach VF . Were you able to fix the problem?



[  215.554697] ixgbevf 0000:08:10.3: enabling device (0000 -> 0002) [  
215.554790] ixgbevf 0000:08:10.3: Xen PCI mapped GSI0 to IRQ28 [  215.566381] 
BUG: unable to handle kernel paging request at ffffc900000fa00c [  215.566403] 
IP: [<ffffffff813ad608>] pci_enable_msix+0x2f8/0x3d0 [  215.566423] PGD 
1aaa6067 PUD 1aaa7067 PMD 1aaa8067 PTE 8010000000000464 [  215.566446] Oops: 
0003 [#1] SMP [  215.566456] Modules linked in: xen_pcifront(+) ixgbevf(F) 
x86_pkg_temp_thermal coretemp crct10dif_pclmul(F) crc32_pclmul(F)
ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) lrw(F) gf128mul(F)
glue_helper(F) ablk_helper(F) cryptd(F) microcode(F) [last unloaded:
ixgbevf]
[  215.566506] CPU: 0 PID: 16 Comm: xenwatch Tainted: GF           
3.11.0-12-generic #19-Ubuntu
[  215.566517] task: ffff88001a018000 ti: ffff88001a020000 task.ti:
ffff88001a020000
[  215.566527] RIP: e030:[<ffffffff813ad608>]  [<ffffffff813ad608>]
pci_enable_msix+0x2f8/0x3d0
[  215.566541] RSP: e02b:ffff88001a021b08  EFLAGS: 00010286 [  215.566549] RAX: 
ffffc900000fa00c RBX: ffffc900000fa00c RCX:
00000000fffffffa
[  215.566558] RDX: 0000000000000000 RSI: 0000000000000001 RDI:
ffff880018060200
[  215.566566] RBP: ffff88001a021b48 R08: ffff880018060e00 R09:
ffff88001a400000
[  215.566574] R10: 000000000000001f R11: 0000000000000044 R12:
ffff8800192332b0
[  215.566581] R13: ffff88001951f000 R14: ffff88001961bc00 R15:
0000000000000000
[  215.566598] FS:  00007fde5b7f8700(0000) GS:ffff88001f800000(0000)
knlGS:0000000000000000
[  215.566608] CS:  e033 DS: 0000 ES: 0000 CR0: 0000000080050033 [  215.566616] 
CR2: ffff800000782820 CR3: 0000000004a3a000 CR4:
0000000000042660
[  215.566624] Stack:
[  215.566629]  ffff88001951f868 ffffc90000000000 00000000c0027795
ffff88001951a800
[  215.566644]  0000000000000001 0000000000000002 ffff88001951a000
ffff88001951a000
[  215.566659]  ffff88001a021b80 ffffffffa0067802 ffff88001951f000
0000000000000001
[  215.566672] Call Trace:
[  215.566686]  [<ffffffffa0067802>]
ixgbevf_init_interrupt_scheme+0xe2/0x460 [ixgbevf] [  215.566700]  
[<ffffffffa0068005>] ixgbevf_probe+0x485/0x780 [ixgbevf] [  215.566712]  
[<ffffffff81393abe>] local_pci_probe+0x3e/0x70 [  215.566722]  
[<ffffffff81394e01>] pci_device_probe+0x121/0x130 [  215.566735]  
[<ffffffff81475177>] driver_probe_device+0x87/0x3a0 [  215.566746]  
[<ffffffff81475490>] ? driver_probe_device+0x3a0/0x3a0 [  215.566755]  
[<ffffffff814754cb>] __device_attach+0x3b/0x40 [  215.566767]  
[<ffffffff81473153>] bus_for_each_drv+0x63/0xa0 [  215.566777]  
[<ffffffff81475078>] device_attach+0x88/0xa0 [  215.566789]  
[<ffffffff8138b9c5>] pci_bus_add_device+0x35/0x60 [  215.566800]  
[<ffffffff8138ba29>] pci_bus_add_devices+0x39/0xa0 [  215.566811]  
[<ffffffffa0051484>] pcifront_scan_root+0xf4/0x140 [xen_pcifront] [  
215.566824]  [<ffffffffa005297e>] pcifront_backend_changed+0x26e/0x69d
[xen_pcifront]
[  215.566837]  [<ffffffff8141cb90>] ? xenbus_gather+0x160/0x180 [  215.566849] 
 [<ffffffff810115e8>] ? __switch_to+0x148/0x4b0 [  215.566860]  
[<ffffffff8141dc0d>] xenbus_otherend_changed+0xad/0x110
[  215.566871]  [<ffffffff8141ff03>] backend_changed+0x13/0x20 [  215.566880]  
[<ffffffff8141cfa6>] xenwatch_thread+0xb6/0x170 [  215.566891]  
[<ffffffff81085580>] ? wake_up_atomic_t+0x30/0x30 [  215.566901]  
[<ffffffff8141cef0>] ? unregister_xenbus_watch+0x230/0x230
[  215.566914]  [<ffffffff810847b0>] kthread+0xc0/0xd0 [  215.566924]  
[<ffffffff810846f0>] ? kthread_create_on_node+0x120/0x120
[  215.566937]  [<ffffffff816f516c>] ret_from_fork+0x7c/0xb0 [  215.566947]  
[<ffffffff810846f0>] ? kthread_create_on_node+0x120/0x120
[  215.566955] Code: e3 04 83 c3 0c e8 c9 b5 d4 ff 48 63 db 49 03 5e 28 8b
33 41 0f b7 46 02 41 89 76 08 83 ce 01 c1 e0 04 83 c0 0c 48 98 49 03 46 28 <89> 
30 49 8b 46 18 41 83 c7 01 48 39 45 c0 41 89 76 08 4c 8d 70 [  215.567062] RIP  
[<ffffffff813ad608>] pci_enable_msix+0x2f8/0x3d0 [  215.567074]  RSP 
<ffff88001a021b08> [  215.567079] CR2: ffffc900000fa00c [  215.567087] ---[ end 
trace ca16fb61b571f122 ]---




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