http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1499
Summary: VF can not be enabled in pv-ops dom0
Product: Xen
Version: unstable
Platform: Other
OS/Version: Linux
Status: NEW
Severity: major
Priority: P1
Component: Linux-pv_ops dom0
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: jiajun.xu@xxxxxxxxx
Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32/ia32e
Guest Arch (ia32/ia32e/IA64):
Guest OS Type (Linux/Windows):
Change Set: 20128
Hardware: NHM-EP
Other:
xen-changeset: 20128:e8004f6c254a
pvops git:
commit 16529fc075a95a84901842f7353ac906cd912bba
Merge: 5d78a20... 3186c67...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
ioemu git:
commit a83d119cfcc20bc7edb427992d6e31b3e99430be
Author: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Date: Mon Aug 10 18:02:56 2009 +0100
Bug detailed description:
--------------------------
With pv-ops rebase/master tree, VF can not be enabled. igb driver will call
trace by showing that xen map irq failed.
dmesg:
########
[ 98.718290] Intel(R) Gigabit Ethernet Network Driver - version 1.3.16-k2
[ 98.718296] Copyright (c) 2007-2009 Intel Corporation.
[ 98.718350] xen: registering gsi 16 triggering 0 polarity 1
[ 98.718354] xen_allocate_pirq: returning irq 16 for gsi 16
[ 98.718356] xen: --> irq=16
[ 98.718360] xen_set_ioapic_routing: irq 16 gsi 16 vector 16 ioapic 0 pin 16
triggering 1 polarity 1
[ 98.718387] igb 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 98.718430] igb 0000:01:00.0: setting latency timer to 64
[ 98.821092] igb 0000:01:00.0: 7 vfs allocated
[ 98.821216] xen map irq failed ffffffea
[ 98.821223] Trying to install msi data for IRQ-1
[ 98.756137] Intel(R) Virtual Function Network Driver - version 1.0.0-k0
[ 98.756142] Copyright (c) 2009 Intel Corporation.
[ 100.424302] igb 0000:01:00.0: IOV Disabled
[ 100.424399] xen map irq failed ffffffea
[ 100.424409] Trying to install msi data for IRQ-1
[ 100.439773] BUG: unable to handle kernel NULL pointer dereference at
00000044
[ 100.439787] IP: [<ed852fce>] igb_reset+0x118/0x1bd [igb]
[ 100.439801] *pdpt = 000000002f2aa001
[ 100.439807] Oops: 0002 [#1] SMP
[ 100.439814] last sysfs file:
/sys/devices/system/cpu/cpu15/cache/index2/shared_cpu_map
[ 100.439821] Modules linked in: igbvf igb(+) sg via_rhine pata_acpi
ata_generic sr_mod cdrom ata_piix ide_gd_mod ide_core qla2xxx scsi_transport_fc
ahci libata sd_mod scsi_mod uhci_hcd ohci_hcd ehci_hcd [last unloaded: igb]
[ 100.439866]
[ 100.439871] Pid: 7043, comm: modprobe Not tainted (2.6.31-rc6 #1) X8DTN
[ 100.439877] EIP: 0061:[<ed852fce>] EFLAGS: 00010202 CPU: 12
[ 100.439884] EIP is at igb_reset+0x118/0x1bd [igb]
[ 100.439889] EAX: 00000000 EBX: ec093600 ECX: 00000001 EDX: 00000046
[ 100.439917] ESI: ec093340 EDI: 0000000a EBP: e9587dfc ESP: e9587de4
[ 100.439923] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
[ 100.439928] Process modprobe (pid: 7043, ti=e9586000 task=eb48b7b0
task.ti=e9586000)
[ 100.439934] Stack:
[ 100.439937] ec093588 ec093598 ec093588 ec093588 ec093340 ec093340 e9587e58
ed85dcb6
[ 100.439952] <0> ec0ec800 ec6382d0 e9587e34 c110dae4 ec093000 ec093340
ec093588 ed85e8f0
[ 100.439970] <0> 00000000 00000001 ea10f690 ea10f6f0 ed863160 e9587e48
4fc21429 2099673d
[ 100.439989] Call Trace:
[ 100.439998] [<ed85dcb6>] ? igb_probe+0x7b2/0xa53 [igb]
[ 100.440009] [<c110dae4>] ? sysfs_addrm_finish+0x50/0x19a
[ 100.440021] [<c11b1457>] ? local_pci_probe+0xe/0x10
[ 100.440027] [<c11b1cf2>] ? pci_device_probe+0x43/0x68
[ 100.440035] [<c125b2fa>] ? driver_probe_device+0x8e/0x102
[ 100.440042] [<c125b3ac>] ? __driver_attach+0x3e/0x5a
[ 100.440048] [<c125aba5>] ? bus_for_each_dev+0x37/0x5b
[ 100.440054] [<c125b1be>] ? driver_attach+0x14/0x16
[ 100.440060] [<c125b36e>] ? __driver_attach+0x0/0x5a
[ 100.440067] [<c125a794>] ? bus_add_driver+0x98/0x1ce
[ 100.440073] [<c125b663>] ? driver_register+0x7b/0xd6
[ 100.440084] [<c10485d9>] ? need_resched+0x14/0x1e
[ 100.440090] [<c11b1ed1>] ? __pci_register_driver+0x35/0x80
[ 100.440099] [<ed77a044>] ? igb_init_module+0x44/0x46 [igb]
[ 100.440106] [<c100304f>] ? do_one_initcall+0x4a/0x115
[ 100.440115] [<ed77a000>] ? igb_init_module+0x0/0x46 [igb]
[ 100.440126] [<c1069d2b>] ? __blocking_notifier_call_chain+0x40/0x4c
[ 100.440137] [<c10780ca>] ? sys_init_module+0xa7/0x1b9
[ 100.440145] [<c10248c9>] ? syscall_call+0x7/0xb
[ 100.440149] Code: 8b 43 10 31 c9 66 c7 43 08 ff ff 31 d2 c6 43 0a 01 89 43
0c 83 be 58 08 00 00 00 75 12 eb 3b 8b 86 5c 08 00 00 41 01 d0 83 c2 46 <c6> 40
44 00 3b 8e 58 08 00 00 72 e8 89 f0 e8 6d fb ff ff 8b 55
[ 100.440258] EIP: [<ed852fce>] igb_reset+0x118/0x1bd [igb] SS:ESP
0069:e9587de4
[ 100.440271] CR2: 0000000000000044
[ 100.440277] ---[ end trace 0dda7b6c136f425e ]---
########
xm dmesg log:
########
(XEN) ioapic_guest_write: apic=0, pin=16, old_irq=16, new_irq=16
(XEN) ioapic_guest_write: old_entry=0000a069, new_entry=0001a010
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=23, old_irq=23, new_irq=23
(XEN) ioapic_guest_write: old_entry=0000a032, new_entry=0001a017
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=19, old_irq=19, new_irq=19
(XEN) ioapic_guest_write: old_entry=0000a042, new_entry=0001a013
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=18, old_irq=18, new_irq=18
(XEN) ioapic_guest_write: old_entry=0000a022, new_entry=0001a012
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=19, old_irq=19, new_irq=19
(XEN) ioapic_guest_write: old_entry=0000a042, new_entry=0001a013
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=16, old_irq=16, new_irq=16
(XEN) ioapic_guest_write: old_entry=0000a069, new_entry=0001a010
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=16, old_irq=16, new_irq=16
(XEN) ioapic_guest_write: old_entry=0000a069, new_entry=0001a010
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=18, old_irq=18, new_irq=18
(XEN) ioapic_guest_write: old_entry=0000a022, new_entry=0001a012
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=16, old_irq=16, new_irq=16
(XEN) ioapic_guest_write: old_entry=0000a069, new_entry=0001a010
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=19, old_irq=19, new_irq=19
(XEN) ioapic_guest_write: old_entry=0000a042, new_entry=0001a013
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=16, old_irq=16, new_irq=16
(XEN) ioapic_guest_write: old_entry=0000a069, new_entry=0001a010
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) io_apic.c:2275:
(XEN) ioapic_guest_write: apic=0, pin=16, old_irq=16, new_irq=16
(XEN) ioapic_guest_write: old_entry=0000a069, new_entry=0001a010
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
(XEN) [VT-D]iommu.c:1174:d0 domain_context_mapping:PCIe: bdf = 1:10.0
(XEN) PCI add Virtual Function 01:10.0
(XEN) [VT-D]iommu.c:1174:d0 domain_context_mapping:PCIe: bdf = 1:10.2
(XEN) PCI add Virtual Function 01:10.2
(XEN) [VT-D]iommu.c:1174:d0 domain_context_mapping:PCIe: bdf = 1:10.4
(XEN) PCI add Virtual Function 01:10.4
(XEN) [VT-D]iommu.c:1174:d0 domain_context_mapping:PCIe: bdf = 1:10.6
(XEN) PCI add Virtual Function 01:10.6
(XEN) [VT-D]iommu.c:1174:d0 domain_context_mapping:PCIe: bdf = 1:11.0
(XEN) PCI add Virtual Function 01:11.0
(XEN) [VT-D]iommu.c:1174:d0 domain_context_mapping:PCIe: bdf = 1:11.2
(XEN) PCI add Virtual Function 01:11.2
(XEN) [VT-D]iommu.c:1174:d0 domain_context_mapping:PCIe: bdf = 1:11.4
(XEN) PCI add Virtual Function 01:11.4
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
(XEN) [VT-D]iommu.c:1288:d0 domain_context_unmap:PCIe: bdf = 1:10.0
(XEN) PCI remove device 01:10.0
(XEN) [VT-D]iommu.c:1288:d0 domain_context_unmap:PCIe: bdf = 1:10.2
(XEN) PCI remove device 01:10.2
(XEN) [VT-D]iommu.c:1288:d0 domain_context_unmap:PCIe: bdf = 1:10.4
(XEN) PCI remove device 01:10.4
(XEN) [VT-D]iommu.c:1288:d0 domain_context_unmap:PCIe: bdf = 1:10.6
(XEN) PCI remove device 01:10.6
(XEN) [VT-D]iommu.c:1288:d0 domain_context_unmap:PCIe: bdf = 1:11.0
(XEN) PCI remove device 01:11.0
(XEN) [VT-D]iommu.c:1288:d0 domain_context_unmap:PCIe: bdf = 1:11.2
(XEN) PCI remove device 01:11.2
(XEN) [VT-D]iommu.c:1288:d0 domain_context_unmap:PCIe: bdf = 1:11.4
(XEN) PCI remove device 01:11.4
(XEN) irq.c:1286: dom0: invalid pirq 154 or irq 73
########
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