oops on 2.6.8.1-mm2

[Thomas Duffy]

This is on a dual Opteron with nvidia CK804.

CPU 0
Modules linked in: ehci_hcd button battery asus_acpi ac xfs qla2322 qla2xxx scsi_transport_fc sd_mod scsi_mod
Pid: 507, comm: modprobe Not tainted 2.6.8.1-mm2
RIP: 0010:[<ffffffff8048eb81>] <ffffffff8048eb81>{add_pin_to_irq+1}
RSP: 0018:00000100cf245d00  EFLAGS: 00000212
RAX: 0000000000000089 RBX: 0000000000000017 RCX: 0000000000000080
RDX: 0000000000000017 RSI: 0000000000000000 RDI: 0000000000000017
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000000
FS:  0000002a9557b4c0(0000) GS:ffffffff8047ef80(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000420f30 CR3: 0000000000101000 CR4: 00000000000006e0
Process modprobe (pid: 507, threadinfo 00000100cf244000, task 000001007f0ceee0)
Stack: ffffffff80120778 0000000000000000 0000000000000000 0000000000000000
       0100000000018900 0000000000000000 ffffffff80219834 0000000000000017
       0000000000000001 0000000000000000
Call Trace:<ffffffff80120778>{io_apic_set_pci_routing+152} <ffffffff80219834>{acpi_pci_link_allocate+266}
       <ffffffff8011c7e8>{acpi_register_gsi+104} <ffffffff80219db8>{acpi_pci_irq_lookup+59}
       <ffffffff80219f95>{acpi_pci_irq_enable+265} <ffffffff802bcee6>{pcibios_enable_device+22}
       <ffffffff801f7746>{pci_enable_device_bars+38} <ffffffff801f7775>{pci_enable_device+21}
       <ffffffff8029eb26>{usb_hcd_pci_probe+70} <ffffffff801bde59>{sysfs_make_dirent+41}
       <ffffffff801f8dfd>{pci_device_probe_static+61} <ffffffff801f8e59>{__pci_device_probe+41}
       <ffffffff801f8eb0>{pci_device_probe+48} <ffffffff80245d97>{bus_match+71}
       <ffffffff80245eb6>{driver_attach+70} <ffffffff80246385>{bus_add_driver+133}
       <ffffffff801f9179>{pci_register_driver+121} <ffffffffa00fd01d>{:ehci_hcd:init+29}
       <ffffffff80154c1e>{sys_init_module+270} <ffffffff8011194a>{system_call+126}

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