Hi Zsolt,
Your problem is different to the one I faced, it seems the older VX50 is
not even using HPET timer but using the older ACPI PM timer instead. I
would enable the ACPI option in the bios and try my boot options.
Remember you can always add the new boot options as a separate menu
entry in Grub in case they cause problems. The APIC debug option should
provide more info in dmesg too.
I think the problem is that only one APIC is being used for a 4 socket
system (IMHO this is weird) so if the above boot options don't help then
I would post your system config, errors and xm dmesg ouput to the
xen-devel mailing list, they could likely hint to where the problem is.
I've copied this to the devel list for you.
Rob
-----Original Message-----
From: SZABO Zsolt [mailto:szazs@xxxxxxxxx]
Sent: 28 January 2009 11:12
To: Robert Dunkley
Subject: RE: [Xen-users] howto upgrade
On Wed, 28 Jan 2009, Robert Dunkley wrote:
> I don't think the NUMA ACPI table is involved with this problem. Have
> you tried enabling NUMA and ACPI in grub boot line?
Not yet...
> Below is my Kernel boot line:
> title CentOS (2.6.18-92.1.6.el5xen330)
> root (hd0,0)
> kernel /xen.gz-3.3.0 apic_verbosity=debug dom0_mem=2048M
acpi=on
> numa=on cpufreq=dom0-kernel
Oh, should I directly enable it? I will try that tomorrow...
> Notice I have enabled ACPI, Powernow and NUMA (NUMA requires a set
Dom0
> memory and also disabling ballooning in xend-config.sxp) , this should
Hmm.. I do not understand well thet ballooning, too... (reading the
other
thread about high load)
> be optimal for Opterons systems but enabling or disabling ACPI will
have
> likely change the timer method entirely on your setup (Which
considering
> your problems might well help).
>
> Can you please post the output from "xm dmesg"
>
> I'm wondering if yours contains something like this:
> (XEN) Using local APIC timer interrupts.
> (XEN) calibrating APIC timer ...
> (XEN) Platform timer is 25.000MHz HPET
Now (with disabled APIC SRAT in the BIOS), as I see, no...
Here is the grub entry for xen:
title Xen 3.2.1 / Debian GNU/Linux, kernel 2.6.18.8-xen
root (hd0,1)
kernel /boot/xen-3.2.1.gz console=vga vga=gfx-1024x768x8,keep
module /boot/vmlinuz-2.6.18.8-xen root=/dev/md0 ro console=tty0
module /boot/initrd.img-2.6.18.8-xen
(Btw., I am not satisfied with the console setup, too... maybe the keep
option is not needed, but I did not do much trial with it)
--
Zsolt
__ __ _____ ____ _
\ \/ /___ _ __ |___ / |___ \ / |
\ // _ \ '_ \ |_ \ __) | | |
/ \ __/ | | | ___) | / __/ _| |
/_/\_\___|_| |_| |____(_)_____(_)_|
(XEN) Xen version 3.2.1 (root@xxxxxxxxx) (gcc version 4.1.2 20061115
(prerelease) (Debian 4.1.1-21)) Tue Aug 5 18:23:52 CEST 2008
(XEN) Latest ChangeSet: unavailable
(XEN) Command line: console=vga vga=gfx-1024x768x8,keep
(XEN) Video information:
(XEN) VGA is graphics mode 1024x768, 8 bpp
(XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds
(XEN) EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN) Found 4 MBR signatures
(XEN) Found 4 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN) 0000000000000000 - 000000000009cc00 (usable)
(XEN) 000000000009cc00 - 00000000000a0000 (reserved)
(XEN) 00000000000ce000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 000000007ff90000 (usable)
(XEN) 000000007ff90000 - 000000007ff97000 (ACPI data)
(XEN) 000000007ff97000 - 0000000080000000 (ACPI NVS)
(XEN) 0000000080000000 - 00000000cdf00000 (usable)
(XEN) 00000000cdf00000 - 00000000ce000000 (reserved)
(XEN) 00000000e0000000 - 00000000f0000000 (reserved)
(XEN) 00000000fec00000 - 00000000fec10000 (reserved)
(XEN) 00000000fee00000 - 00000000fee01000 (reserved)
(XEN) 00000000fff80000 - 0000000100000000 (reserved)
(XEN) 0000000100000000 - 0000000432000000 (usable)
(XEN) System RAM: 16382MB (16775344kB)
(XEN) Xen heap: 14MB (14568kB)
(XEN) Domain heap initialised: DMA width 32 bits
(XEN) Processor #0 15:1 APIC version 16
(XEN) Processor #1 15:1 APIC version 16
(XEN) Processor #2 15:1 APIC version 16
(XEN) Processor #3 15:1 APIC version 16
(XEN) Processor #4 15:1 APIC version 16
(XEN) Processor #5 15:1 APIC version 16
(XEN) Processor #6 15:1 APIC version 16
(XEN) Processor #7 15:1 APIC version 16
(XEN) IOAPIC[0]: apic_id 8, version 17, address 0xfec00000, GSI 0-23
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2813.022 MHz processor.
(XEN) AMD SVM: ASIDs disabled.
(XEN) HVM: SVM enabled
(XEN) CPU0: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Booting processor 1/1 eip 8c000
(XEN) AMD: Disabling C1 Clock Ramping Node #0
(XEN) AMD: Disabling C1 Clock Ramping Node #1
(XEN) AMD: Disabling C1 Clock Ramping Node #2
Disabling C1 Clock Ramping Node #3
(XEN) AMD SVM: ASIDs disabled.
(XEN) CPU1: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Booting processor 2/2 eip 8c000
(XEN) AMD SVM: ASIDs disabled.
(XEN) CPU2: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Booting processor 3/3 eip 8c000
(XEN) AMD SVM: ASIDs disabled.
(XEN) CPU3: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Booting processor 4/4 eip 8c000
(XEN) AMD SVM: ASIDs disabled.
(XEN) CPU4: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Booting processor 5/5 eip 8c000
(XEN) AMD SVM: ASIDs disabled.
(XEN) CPU5: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Booting processor 6/6 eip 8c000
(XEN) AMD SVM: ASIDs disabled.
(XEN) CPU6: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Booting processor 7/7 eip 8c000
(XEN) AMD SVM: ASIDs disabled.
(XEN) CPU7: AMD Dual-Core AMD Opteron(tm) Processor 8220 stepping 03
(XEN) Total of 8 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) Platform timer overflows in 234 jiffies.
(XEN) Platform timer is 3.579MHz ACPI PM Timer
(XEN) Brought up 8 CPUs
(XEN) AMD IOMMU: Disabled
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen kernel: 64-bit, lsb, compat32
(XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 ->
0xffffffff805b8c8c
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 0000000420000000->0000000424000000 (4084129 pages
to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: ffffffff80200000->ffffffff805b8c8c
(XEN) Init. ramdisk: ffffffff805b9000->ffffffff814c8800
(XEN) Phys-Mach map: ffffffff814c9000->ffffffff83411d08
(XEN) Start info: ffffffff83412000->ffffffff834124a4
(XEN) Page tables: ffffffff83413000->ffffffff83432000
(XEN) Boot stack: ffffffff83432000->ffffffff83433000
(XEN) TOTAL: ffffffff80000000->ffffffff83800000
(XEN) ENTRY ADDRESS: ffffffff80200000
(XEN) Dom0 has maximum 8 VCPUs
(XEN) Initrd len 0xf0f800, start at 0xffffffff805b9000
(XEN) Scrubbing Free RAM: .done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is keeping VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen)
(XEN) Freed 100kB init memory.
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