Re: [Xen-users] Problem initializing dual-core Opteron

[Sergey Bondari <bondari@xxxxxxx>]

Dear John,

Tuesday, November 7, 2006, 12:59:53 PM, you wrote:

Try switching off APIC tables in your bios setup. This will force
kernel not to use SMP. At least you will boot :)

In general I would recommend you compiling Dom0 kernel from sources
carefully choosing kernel configuration.
JH> Hello,
JH> I'm trying xen on a dual core Opteron 265 system, but it won't boot.
JH> I've tried source installs, and binary installs of both 3.0.2 and 3.0.3. All
JH> are the
JH> same. When it tries to bring the CPU's online it reboots the machine.

JH> (XEN) Processor #0 15:1 APIC version 15
JH> (XEN) ACPI: LAPIC (acpi_id[0x00]
JH> (XEN) Processor #1 15:1 APIC version 15
JH> (XEN) Enabling APIC mode: Flat.  Using 1 I/O APICs
JH> (XEN) Using ACPI (MADT) for SMP configuration
JH> (XEN) Initialising CPU#0
JH> (XEN) Detected 1800.353 Mhz Processor
JH> (XEN) CPU0: AMD Flush filter disabled
JH> (XEN) CPU: L1 cache 64k (64byes/line), 3 cache
JH> (XEN) CPU: L2 cache 1024k (64 bytes/line)
(XEN) CPU 0(2) ->> Core 0
JH> (XEN) Intel machine check architecture supported
JH> (XEN) Intel machine check reporting enabled on CPU#0
JH> (XEN) CPU0: AMD Dual Core Opteron(tm) Processor 265 stepping 02
JH> (XEN) Booting processor 1/1 sip 90000
JH> (XEN) Initialising CPU#1

JH> Then the machine reboots.

JH> Motherboard: Tyan K8WE S2877
JH> This is a dual processor, dual core board, but I only have one Opteron265
JH> installed.
JH> The machine boots fine (and can see both cores) on a non xen 
2.6.16.29kernel.

JH> Have I reached a machine check exception?
JH> Any ideas on what to customize in the xen kernel to get it to boot?



-- 
Best regards,
 Sergey


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