[Xen-bugs] [Bug 1554] New: [VT-d] do_IRQ warning with Intel 82575EB NIC on Stoakley

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1554

           Summary: [VT-d] do_IRQ warning with Intel 82575EB NIC on Stoakley
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32e
Guest Arch (ia32/ia32e/IA64): ia32e
Guest OS Type (Linux/Windows): Linux
Change Set: 20656
Hardware: Stoakley
Other:
xen-changeset:   20656:7c85a4aa17fe

pvops git:
commit 88915d342494091181e136fad9abdf9f173de949
Merge: a50d3bb... 96d5fea...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

ioemu git:
commit 9297e6402f6aa1b52e5577edc875eb2d2163baeb
Author: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Date:   Mon Dec 7 12:25:54 2009 +0000

Bug detailed description:
--------------------------
With latest xen on Stoakley, assign Intel 82575EB NIC to a guest, there will be
a lot of do_IRQ warning printed. The nic can work sometimes but may lose
connection sometimes as well.
##########
(XEN) do_IRQ: 7.171 No irq handler for vector (irq -1)
(XEN) do_IRQ: 7.171 No irq handler for vector (irq -1)
(XEN) do_IRQ: 7.171 No irq handler for vector (irq -1)
(XEN) do_IRQ: 7.171 No irq handler for vector (irq -1)
##########

The nic lspci info:
07:00.0 Ethernet controller: Intel Corporation 82575EB Gigabit Network
Connection (rev 02)
        Subsystem: Super Micro Computer Inc Unknown device 10a7
        Flags: fast devsel, IRQ 16
        Memory at d8620000 (32-bit, non-prefetchable) [disabled] [size=128K]
        Memory at d8600000 (32-bit, non-prefetchable) [disabled] [size=128K]
        I/O ports at 4000 [disabled] [size=32]
        Memory at d8680000 (32-bit, non-prefetchable) [disabled] [size=16K]
        Expansion ROM at d8900000 [disabled] [size=128K]
        Capabilities: [40] Power Management version 2
        Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0
Enable-
        Capabilities: [60] MSI-X: Enable- Mask- TabSize=10
        Capabilities: [a0] Express Endpoint IRQ 0
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number a4-18-7d-ff-ff-48-30-00


-- 
Configure bugmail: 
http://bugzilla.xensource.com/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.

_______________________________________________
Xen-bugs mailing list
Xen-bugs@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-bugs