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[Xen-devel] 3.0.4 ACPI support and Opteron 2210 ?

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] 3.0.4 ACPI support and Opteron 2210 ?
From: "John Hannfield" <hal9020@xxxxxxxxx>
Date: Fri, 2 Mar 2007 21:10:26 +0000
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I originally posted this to xen-users, but someone suggested I post it here.
I am having ACPI problems on a PenguinComputing Altus1600 system.
It has 2x  dual core Opteron 2210 processors.

The system boots with a standard Debian or Ubuntu SMP kernel, with ACPI
enabled. However the xen live cd, binary xen install, as well as my own custom
compile of  xen 3.0.4 from source  will not boot.

(XEN) Panic on CPU 0:
(XEN) Early fatal page fault

I think it has something to do with the ACPI or APIC on the processors.
Here is the boot log from a console connection:

* Ubuntu, kernel 2.6.15-26-amd64-server
* kernel /boot/xen-3.0.gz
com1=115200,8n1 console=vga,com1                        
[Multiboot-elf, <0x100000:0x9e898:0x5a768>, shtab=0x1f9078,
entry=0x100000]   module /boot/vmlinuz-
root=/dev/sda1 ro console=tty0 console  =ttyS0

                                          __  __
_____  ___  _  _      _
\ \/ /___ _ __   |___ / / _ \| || |    / |
\  // _ \ '_ \    |_ \| | | | || |_ __| |
/  \  __/ | | |  ___) | |_| |__   _|__| |
/_/\_\___|_| |_| |____(_)___(_) |_|    |_|

University of Cambridge Computer Laboratory

Xen version 3.0.4-1 (root@) (gcc version 4.0.3 (Ubuntu
4.0.3-1ubuntu5)) Fri Feb 16 15:30:33 GMT 2007
Latest ChangeSet: unavailable

(XEN) Command line: /boot/xen-3.0.gz com1=115200,8n1 console=vga,com1
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009dc00 (usable)
(XEN)  000000000009dc00 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000007fff0000 (usable)
(XEN)  000000007fff0000 - 000000007fffe000 (ACPI data)
(XEN)  000000007fffe000 - 0000000080000000 (ACPI NVS)
(XEN)  00000000e0000000 - 00000000f0000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec01000 (reserved)
(XEN)  00000000fee00000 - 00000000fef00000 (reserved)
(XEN)  00000000ff700000 - 0000000100000000 (reserved)
(XEN) System RAM: 2047MB (2096692kB)
(XEN) ACPI: RSDP (v002 ACPIAM                                ) @
(XEN) ACPI: XSDT (v001 A M I  OEMXSDT  0x12000614 MSFT 0x00000097) @
(XEN) ACPI: FADT (v003 A M I  OEMFACP  0x12000614 MSFT 0x00000097) @
(XEN) ACPI: MADT (v001 A M I  OEMAPIC  0x12000614 MSFT 0x00000097) @
(XEN) ACPI: SPCR (v001 A M I  OEMSPCR  0x12000614 MSFT 0x00000097) @
(XEN) ACPI: SLIT (v001 A M I  OEMSLIT  0x12000614 MSFT 0x00000097) @
(XEN) ACPI: OEMB (v001 A M I  AMI_OEM  0x12000614 MSFT 0x00000097) @
(XEN) ACPI: HPET (v001 A M I  OEMHPET0 0x12000614 MSFT 0x00000097) @
(XEN) ACPI: SRAT (v001 AMD    HAMMER   0x00000001 AMD  0x00000001) @
(XEN) ACPI: SSDT (v001 A M I  POWERNOW 0x00000001 AMD  0x00000001) @
(XEN) ACPI: DSDT (v001  DATER DATER111 0x00000111 INTL 0x20051117) @
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Early fatal page fault at e010:ffff830000170890
(cr2=ffff83007fff04c4, ec=0000)
(XEN) ****************************************
(XEN) Reboot in five seconds...
(XEN) Unknown interrupt

It will boot fine if I add   acpi=off  to the xen command line.

But I would really like to have ACPI so I can use the power management
features of this system. ie power down, and have it turn off.

Does anyone know if ACPI in xen works with Opteron 2210 's ?

If so, and ideas how to fix this?

Many Thanks,


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