[Xen-devel] irq problem with 3.3-rc3 on guest

[M A Young <m.a.young@xxxxxxxxxxxx>]

I get the backtrace below if I try to boot a PV guest running F17 Alpha 
TC2 in graphical mode. Is this a known problem?
        Michael Young

WARNING: at drivers/xen/events.c:209 evtchn_from_irq+0x41/0x50()
Invalid irq -1!
Modules linked in:
Pid: 17, comm: xenbus Tainted: G        W 
3.3.0-0.rc3.git3.1.fc17.x86_64 #1
Call Trace:
 <IRQ>  [<ffffffff8106047f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff81060576>] warn_slowpath_fmt+0x46/0x50
 [<ffffffff8100f942>] ? check_events+0x12/0x20
 [<ffffffff813c5bf1>] evtchn_from_irq+0x41/0x50
 [<ffffffff813c6302>] notify_remote_via_irq+0x12/0x50
 [<ffffffff8137e016>] xenfb_event_handler+0x26/0x50
 [<ffffffff8110b0fc>] handle_irq_event_percpu+0x6c/0x390
 [<ffffffff8110b468>] handle_irq_event+0x48/0x70
 [<ffffffff8110e7b7>] handle_edge_irq+0x77/0x110
 [<ffffffff813c56f3>] __xen_evtchn_do_upcall+0x1c3/0x290
 [<ffffffff813c782f>] xen_evtchn_do_upcall+0x2f/0x50
 [<ffffffff816a7a3e>] xen_do_hypervisor_callback+0x1e/0x30
 <EOI>  [<ffffffff8100140a>] ? hypercall_page+0x40a/0x1000
 [<ffffffff8100140a>] ? hypercall_page+0x40a/0x1000
 [<ffffffff813c9ed7>] ? xb_read+0xd7/0x190
 [<ffffffff811a2359>] ? kmem_cache_alloc_trace+0xd9/0x240
 [<ffffffff813cb170>] ? unregister_xenbus_watch+0x1d0/0x1d0
 [<ffffffff813cb1f9>] ? xenbus_thread+0x89/0x2b0
 [<ffffffff81089ac7>] ? kthread+0xb7/0xc0
 [<ffffffff810cd02d>] ? trace_hardirqs_on+0xd/0x10
 [<ffffffff816a78f4>] ? kernel_thread_helper+0x4/0x10
 [<ffffffff8169dcb4>] ? retint_restore_args+0x13/0x13
 [<ffffffff816a78f0>] ? gs_change+0x13/0x13


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