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[Xen-bugs] [Bug 1058] New: Xen failing to boot under Debian Etch. (FATAL

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Subject: [Xen-bugs] [Bug 1058] New: Xen failing to boot under Debian Etch. (FATAL TRAP)
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Date: Mon, 10 Sep 2007 02:54:05 -0700
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           Summary: Xen failing to boot under Debian Etch. (FATAL TRAP)
           Product: Xen
           Version: 3.0.3
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: major
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: j.ray@xxxxxxxxxx

Running xen on a Debian Etch platform and about every 1 in 10 boots I
am getting the following error:
(XEN) ************************************
(XEN) CPU0 FATAL TRAP 6 (invalid opcode), ERROR_CODE 0000, IN INTERRUPT
(XEN) System shutting down -- need manual reset.
(XEN) ************************************

This is a Quad-Core, Dual CPU system currently running with 4Gb of RAM
with a Intel S5000PAL server motherboard. I have tried tweaking around
the APIC options to be bigsmp to no help at all. I am kind of at a loss
right now as to how to progress. I have upgraded the BIOS to the latest
revision to no avail also.

Here are a list of the Debian package versions:

hornet:# dpkg -l | egrep '(\||xen)'
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name                                Version                        
ii  linux-image-2.6-xen-amd64           2.6.18+6etch2                   Linux
kernel 2.6 image on AMD64
ii  linux-image-2.6.18-4-xen-amd64      2.6.18.dfsg.1-12etch2           Linux
2.6.18 image on AMD64
ii  linux-image-2.6.18-5-xen-amd64      2.6.18.dfsg.1-13etch2           Linux
2.6.18 image on AMD64
ii  linux-modules-2.6.18-4-xen-amd64    2.6.18.dfsg.1-12etch2           Linux
2.6.18 modules on AMD64
ii  linux-modules-2.6.18-5-xen-amd64    2.6.18.dfsg.1-13etch2           Linux
2.6.18 modules on AMD64
ii  xen-hypervisor-3.0.3-1-amd64        3.0.3-0-2                       The Xen
Hypervisor on AMD64
ii  xen-ioemu-3.0.3-1                   3.0.3-0-2                       XEN
administrative tools
ii  xen-linux-system-2.6.18-4-xen-amd64 2.6.18.dfsg.1-12etch2           XEN
system with Linux 2.6.18 image on AMD64
ii  xen-tools                           2.8-2                           Tools
to manage debian XEN virtual servers
ii  xen-utils-3.0.3-1                   3.0.3-0-2                       XEN
administrative tools
ii  xen-utils-common                    3.0.3-0-2                       XEN
administrative tools - common files

Here are two boot attempts one that works and one that fails:

I have also tried 3.1 and this also suffers the same problem but doesn't cause
the system to hang, it just carries on without the processors like so:
(XEN) Booting processor 7/7 eip 90000
(XEN) Not responding.
(XEN) Inquiring remote APIC #7...
(XEN) ... APIC #7 ID: failed
(XEN) ... APIC #7 VERSION: failed
(XEN) ... APIC #7 SPIV: failed
(XEN) Unmapping cpu 7 from all nodes
(XEN) CPU #7 not responding - cannot use it.
(XEN) Total of 7 processors activated.
(There is meant to be 8 of course)
(And carries on to boot)

The system has passed all of Intel's Platform Confidence Tests and this happens
the same on two identical systems. Any further information I would be happy to

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