| 
         
xen-users
RE: [Xen-users] Dom0 crashes on ubuntu 9.04 Server
 
Hi Boris,        Thanks for your reply. I tried it again but still got a slow download speed though I have a 100MBit/sec connection. I think the root cause is the limitation of the inbound bandwidth in China. So would you please send me a copy of xen.git archive via email (superymkxen@xxxxxxxxxxx)? I can update it in the future for the traffic is much smaller than checking out the whole bulk.
  Thanks, Miao 
 
  Date: Sat, 10 Oct 2009 04:23:51 -0700 From: bderzhavets@xxxxxxxxx Subject: RE: [Xen-users] Dom0 crashes on ubuntu 9.04 Server To: xen-users@xxxxxxxxxxxxxxxxxxx; superymkxen@xxxxxxxxxxx CC: 
 
 # git
  clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen
  is running on my box via 2MBit/sec ADSL connection with average speed 1.0-1.2 MBit/sec.
  Boris.
  --- On Sat, 10/10/09, SuperymkSuperymk <superymkxen@xxxxxxxxxxx> wrote:
  From: SuperymkSuperymk <superymkxen@xxxxxxxxxxx> Subject: RE: [Xen-users] Dom0 crashes on ubuntu 9.04 Server To: xen-users@xxxxxxxxxxxxxxxxxxx Date: Saturday, October 10, 2009, 6:57 AM
 
 
Thank you for your suggestion. I am trying again now. But I find that it is very slow to check out a private shadow from both http://www.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git   and    git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git. The speed is even less than 0.5K/s. Is there any workaround way for this? Thanks, Miao 
 Date: Sat, 10 Oct 2009 01:08:09 -0700 From: bderzhavets@xxxxxxxxx Subject: Re: [Xen-users] Dom0 crashes on ubuntu 9.04 Server To: xen-users@xxxxxxxxxxxxxxxxxxx; superymkxen@xxxxxxxxxxx >
 [&
 nbsp;   2.930145] 
scsi0 : ata_piix > [    2.930263] scsi1 : 
ata_piix > [    2.934808] ata1: SATA max UDMA/133 cmd 0xfe00 ctl 
0xfe10 bmdma 0xfec0 irq 18 > [    2.934872] ata2: SATA max 
UDMA/133 cmd 0xfe20 ctl 0xfe30 bmdma 0xfec8 irq 18>
  1. Try to  turn your South Bridge (ICH10R most probably) into AHCI mode.    Lines above would better to report :-    [    2.930145] 
scsi0 :  ahci     [    2.930263] scsi1 :  
ahci but, not necessary.
  2. Install  2.6.31.1 pvops  kernel via JF's Git Repo as Dom0 kernel.    The most recent build guide lines:-       http://www.linuxtoday.com/high_performance/2009100500135OSSV    Just DRM activation is up to you.       I would not hesitate (in case of failure configuration above) to  escalate issue to xen-devel mailing list.    2.6.31.1  install is a must if you want professional support@xen-devel.      Xenified aka Suse 2.6.30.2 won't be a fair , sorry. Next official Xen release is supposed to have JF's pvops kernel 2.6.3(x).y  to support Xen at  Dom0
 
  Boris.
  --- On Sat, 10/10/09, superymkxen@xxxxxxxxxxx <superymkxen@xxxxxxxxxxx> wrote:
  From:
 superymkxen@xxxxxxxxxxx <superymkxen@xxxxxxxxxxx> Subject: [Xen-users] Dom0 crashes on ubuntu 9.04 Server To: xen-users@xxxxxxxxxxxxxxxxxxx Date: Saturday, October 10, 2009, 2:42 AM
 
 
 
Hi,  
I 
tried to build xen 3.4.1 and the xenified kernel (use the full 2.6.30.2 kernel 
and patched it manually) on my optiplex 960 box according to the Bderzhavets’s 
Building Xen 3.4.1 Dom0 via xenified 
2.6.30.2 kernel on top Ubuntu 9.04 Server. However, the screen 
turns black without any response after displaying some [OK] from Dom0. Anyone 
knows how to resolve this problem? Or tell me any other way to build xen 3.3.1 
above including Dom0 kernel for I need to modify the source files for my private 
experiment. Any suggestion is warmly welcomed.
Thanks! 
 
Complete boot log below:  
  
 __  
__            _____ 
_  _    _   \ \/ /___ _ __   |___ /| || 
|  / |   \  // _ \ '_ \    |_ \| || |_ | 
|   /  \  __/ | | |  ___) |__   _|| 
|  /_/\_\___|_| |_| |____(_) 
|_|(_)_|                                    
 (XEN) Xen version 3.4.1 (root@) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) 
Fri Oct  9 20:35:16 CST 2009 (XEN) Latest ChangeSet: 
unavailable (XEN) Command line: loglvl=all guest_loglvl=all 
debug_stack_lines=80 com1=115200,8n1 console=vga,com1 (XEN) Video 
information: (XEN)  VGA is text mode 80x25, font 8x16 (XEN)  
VBE/DDC methods: V2; EDID transfer time: 1 seconds (XEN) Disc 
information: (XEN)  Found 1 MBR signatures (XEN)  Found 1 EDD 
information structures (XEN) Xen-e820 RAM map: (XEN)  
0000000000000000 - 000000000009fc00 (usable) (XEN)  00000000000f0000 - 
0000000000100000 (reserved) (XEN)  0000000000100000 - 000000007d9ffc00 
(usable) (XEN)  000000007d9ffc00 - 000000007da53c00 (ACPI 
NVS) (XEN)  000000007da53c00 - 000000007da55c00 (ACPI 
data) (XEN)  000000007da55c00 - 0000000080000000 
(reserved) (XEN)  00000000e0000000 - 00000000f0000000 
(reserved) (XEN)  00000000fec00000 - 00000000fed00400 
(reserved) (XEN)  00000000fed20000 - 00000000feda0000 
(reserved) (XEN)  00000000fee00000 - 00000000fef00000 
(reserved) (XEN)  00000000ffb00000 - 0000000100000000 
(reserved) (XEN) System RAM: 2009MB (2057848kB) (XEN) ACPI: RSDP 000FEC00, 
0024 (r2 DELL  ) (XEN) ACPI: XSDT 000FC7CD, 006C (r1 
DELL    
B10K          15 
ASL        61) (XEN) ACPI: FACP 000FC8FD, 
00F4 (r3 DELL    
B10K          15 
ASL        61) (XEN) ACPI: DSDT FFE9CFCA, 
545E (r1   DELL    dt_ex     1000 
INTL 20050624) (XEN) ACPI: FACS 7D9FFC00, 0040 (XEN) ACPI: SSDT FFEA2700, 
009A (r1   DELL    st_ex     1000 
INTL 20050624) (XEN) ACPI: APIC 000FC9F1, 0092 (r1 DELL    
B10K          15 
ASL        61) (XEN) ACPI: BOOT 000FCA83, 
0028 (r1 DELL    
B10K          15 
ASL        61) (XEN) ACPI: ASF! 000FCAAB, 
0096 (r32 DELL    
B10K          15 
ASL        61) (XEN) ACPI: MCFG 000FCB41, 
003E (r1 DELL    
B10K          15 
ASL        61) (XEN) ACPI: HPET 000FCB7F, 
0038 (r1 DELL    
B10K          15 
ASL        61) (XEN) ACPI: TCPA 000FCDDB, 
0032 (r1 DELL    
B10K          15 
ASL        61) (XEN) ACPI: DMAR 000FCE0D, 
00F8 (r1 DELL    
B10K          15 
ASL        61) (XEN) NUMA turned 
off (XEN) Faking a node at 0000000000000000-000000007d9ff000 (XEN) Domain 
heap initialised (XEN) found SMP MP-table at 000fe710 (XEN) DMI 2.5 
present. (XEN) Using APIC driver default (XEN) ACPI: PM-Timer IO Port: 
0x808 (XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[804,0], pm1x_evt[800,0] (XEN) 
ACPI:                  
wakeup_vec[7d9ffc0c], vec_size[20] (XEN) ACPI: Local APIC address 
0xfee00000 (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) (XEN) 
Processor #0 7:7 APIC version 20 (XEN) ACPI: LAPIC (acpi_id[0x02] 
lapic_id[0x01] enabled) (XEN) Processor #1 7:7 APIC version 20 (XEN) ACPI: 
LAPIC (acpi_id[0x03] lapic_id[0x05] disabled) (XEN) ACPI: LAPIC 
(acpi_id[0x04] lapic_id[0x07] disabled) (XEN) ACPI: LAPIC (acpi_id[0x05] 
lapic_id[0x00] disabled) (XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x01] 
disabled) (XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x02] disabled) (XEN) 
ACPI: LAPIC (acpi_id[0x08] lapic_id[0x03] disabled) (XEN) ACPI: LAPIC_NMI 
(acpi_id[0xff] high level lint[0x1]) (XEN) ACPI: IOAPIC (id[0x08] 
address[0xfec00000] gsi_base[0]) (XEN) IOAPIC[0]: apic_id 8, version 32, 
address 0xfec00000, GSI 0-23 (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 
global_irq 2 dfl dfl) (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 
high level) (XEN) ACPI: IRQ0 used by override. (XEN) ACPI: IRQ2 used by 
override. (XEN) ACPI: IRQ9 used by override. (XEN) Enabling APIC 
mode:  Flat.  Using 1 I/O APICs (XEN) ACPI: HPET id: 0x8086a701 
base: 0xfed00000 (XEN) Using ACPI (MADT) for SMP configuration 
information (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) 
Initializing CPU#0 (XEN) Detected 3325.078 MHz processor. (XEN) CPU: L1 I 
cache: 32K, L1 D cache: 32K (XEN) CPU: L2 cache: 6144K (XEN) CPU: Physical 
Processor ID: 0 (XEN) CPU: Processor Core ID: 0 (XEN) VMX: Supported 
advanced features: (XEN)  - APIC MMIO access 
virtualisation (XEN)  - APIC TPR shadow (XEN)  - Virtual 
NMI (XEN)  - MSR direct-access bitmap (XEN) HVM: VMX enabled (XEN) 
Intel machine check reporting enabled on CPU#0. (XEN) CPU0: Thermal 
monitoring enabled (TM2) (XEN) CMCI: CPU0 has no CMCI support (XEN) CPU0: 
Intel(R) Core(TM)2 Duo CPU     E8600  @ 3.33GHz 
stepping 0a (XEN) Booting processor 1/1 eip 8c000 (XEN) Initializing 
CPU#1 (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K (XEN) CPU: L2 cache: 
6144K (XEN) CPU: Physical Processor ID: 0 (XEN) CPU: Processor Core ID: 
1 (XEN) Intel machine check reporting enabled on CPU#1. (XEN) CPU1: 
Thermal monitoring enabled (TM2) (XEN) CMCI: CPU1 has no CMCI 
support (XEN) CPU1: Intel(R) Core(TM)2 Duo CPU     
E8600  @ 3.33GHz stepping 0a (XEN) Total of 2 processors 
activated. (XEN) ENABLING IO-APIC IRQs (XEN)  -> Using new ACK 
method (XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1 (XEN) 
checking TSC synchronization across 2 CPUs: passed. (XEN) Platform timer is 
14.318MHz HPET (XEN) Brought up 2 CPUs (XEN) microcode.c:73:d32767 
microcode: CPU1 resumed (XEN) I/O virtualisation disabled (XEN) HPET: 8 
timers in total, 2 timers will be used for broadcast (XEN) ACPI sleep modes: 
S3 (XEN) mcheck_poll: Machine check polling timer started. (XEN) *** 
LOADING DOMAIN 0 *** (XEN)  Xen  kernel: 64-bit, lsb, 
compat32 (XEN)  Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 -> 
0xffffffff80bb6000 (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN)  Dom0 
alloc.:   0000000060000000->0000000070000000 (410960 pages to be 
allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN)  Loaded kernel: 
ffffffff80200000->ffffffff80bb6000 (XEN)  Init. ramdisk: 
ffffffff80bb6000->ffffffff89e83c00 (XEN)  Phys-Mach map: 
ffffe20000000000->ffffe200003a2a80 (XEN)  Start 
info:    ffffffff89e84000->ffffffff89e844b4 (XEN)  
Page tables:   ffffffff89e85000->ffffffff89ed8000 (XEN)  
Boot stack:    
ffffffff89ed8000->ffffffff89ed9000 (XEN)  
TOTAL:         
ffffffff80000000->ffffffff8a000000 (XEN)  ENTRY ADDRESS: 
ffffffff80200000 (XEN) Dom0 has maximum 2 VCPUs (XEN) Scrubbing Free RAM: 
.done. (XEN) Xen trace buffers: disabled (XEN) Std. Loglevel: All (XEN) 
Guest Loglevel: All (XEN) Xen is relinquishing VGA console. (XEN) *** 
Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen) (XEN) Freed 132kB init memory. [    0.000000] 
Initializing cgroup subsys cpuset [    0.000000] Initializing 
cgroup subsys cpu [    0.000000] Linux version 2.6.30.2 (root@SuperYMK) (gcc version 4.3.3 (Ubuntu 
4.3.3-5ubuntu4) ) #1 SMP Fri Oct 9 19:06:09 CST 2009 [    
0.000000] Command line: root=UUID=325643d7-b21f-4c04-a21d-4000b1455c15 ro 
console=tty0,ttyS0 dom0_mem=1024M  xencons=ttyS0,115200 
 [    0.000000] KERNEL supported cpus: [    
0.000000]   Intel GenuineIntel [    
0.000000]   AMD AuthenticAMD [    
0.000000]   Centaur CentaurHauls [    0.000000] 
Xen-provided physical RAM map: [    0.000000]  Xen: 
0000000000000000 - 0000000074d50000 (usable) [    0.000000] 
DMI 2.5 present. [    0.000000] last_pfn = 0x74d50 
max_arch_pfn = 0x80000000 [    0.000000] init_memory_mapping: 
0000000000000000-0000000074d50000 [    0.000000] RAMDISK: 
00bb6000 - 09e83c00 [    0.000000] ACPI: RSDP 00000000000fec00 
00024 (v02 DELL  ) [    0.000000] ACPI: XSDT 
00000000000fc7cd 0006C (v01 DELL    B10K    
00000015 ASL  00000061) [    0.000000] ACPI: FACP 
00000000000fc8fd 000F4 (v03 DELL    B10K    
00000015 ASL  00000061) [    0.000000] ACPI: DSDT 
00000000ffe9cfca 0545E (v01   DELL    dt_ex 00001000 
INTL 20050624) [    0.000000] ACPI: FACS 000000007d9ffc00 
00040 [    0.000000] ACPI: SSDT 00000000ffea2700 0009A 
(v01   DELL    st_ex 00001000 INTL 
20050624) [    0.000000] ACPI: APIC 00000000000fc9f1 00092 
(v01 DELL    B10K    00000015 ASL  
00000061) [    0.000000] ACPI: BOOT 00000000000fca83 00028 
(v01 DELL    B10K    00000015 ASL  
00000061) [    0.000000] ACPI: ASF! 00000000000fcaab 00096 
(v32 DELL    B10K    00000015 ASL  
00000061) [    0.000000] ACPI: MCFG 00000000000fcb41 0003E 
(v01 DELL    B10K    00000015 ASL  
00000061) [    0.000000] ACPI: HPET 00000000000fcb7f 00038 
(v01 DELL    B10K    00000015 ASL  
00000061) [    0.000000] ACPI: TCPA 00000000000fcddb 00032 
(v01 DELL    B10K    00000015 ASL  
00000061) [    0.000000] ACPI: DMAR 00000000000fce0d 000F8 
(v01 DELL    B10K    00000015 ASL  
00000061) [    0.000000] (5 early reservations) ==> bootmem 
[0000000000 - 0074550000] [    0.000000]   #0 
[0000bb6000 - 0009ed8000]     Xen provided ==> 
[0000bb6000 - 0009ed8000] [    0.000000]   #1 
[0000200000 - 0000b95af8]    TEXT DATA BSS ==> [0000200000 - 
0000b95af8] [    0.000000]   #2 [0010000000 - 
00103a6000]          INITP2M ==> 
[0010000000 - 00103a6000] [    0.000000]   #3 
[0000b96000 - 
0000b961f0]              
BRK ==> [0000b96000 - 0000b961f0] [    
0.000000]   #4 [0009ed8000 - 
000a282000]          PGTABLE ==> 
[0009ed8000 - 000a282000] [    0.000000] found SMP MP-table at 
[ffffffffff5fa710] 000fe710 [    0.000000] Zone PFN 
ranges: [    0.000000]   
DMA      0x00000000 -> 
0x00001000 [    0.000000]   DMA32    
0x00001000 -> 0x00100000 [    0.000000]   
Normal   0x00100000 -> 0x00100000 [    0.000000] 
Movable zone start PFN for each node [    0.000000] 
early_node_map[2] active PFN ranges [    
0.000000]     0: 0x00000000 -> 
0x00074550 [    0.000000]     0: 
0x00074d50 -> 0x00074d50 [    0.000000] ACPI: LAPIC 
(acpi_id[0x01] lapic_id[0x00] enabled) [    0.000000] ACPI: 
LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) [    0.000000] 
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x05] disabled) [    
0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x07] 
disabled) [    0.000000] ACPI: LAPIC (acpi_id[0x05] 
lapic_id[0x00] disabled) [    0.000000] ACPI: LAPIC 
(acpi_id[0x06] lapic_id[0x01] disabled) [    0.000000] ACPI: 
LAPIC (acpi_id[0x07] lapic_id[0x02] disabled) [    0.000000] 
ACPI: LAPIC (acpi_id[0x08] lapic_id[0x03] disabled) [    
0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high level 
lint[0x1]) [    0.000000] ACPI: IOAPIC (id[0x08] 
address[0xfec00000] gsi_base[0]) [    0.000000] IOAPIC[0]: 
apic_id 8, version 0, address 0xfec00000, GSI 0-23 [    
0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl 
dfl) [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 
global_irq 9 high level) [    0.000000] Using ACPI (MADT) for 
SMP configuration information [    0.000000] Allocating PCI 
resources starting at 88000000 (gap: 80000000:60000000) [    
0.000000] NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 
nr_node_ids:1 [    0.000000] PERCPU: Allocated 11 4k pages, 
static data 43040 bytes [    0.000000] Built 1 zonelists in 
Zone order, mobility grouping on.  Total pages: 
469953 [    0.000000] Kernel command line: 
root=UUID=325643d7-b21f-4c04-a21d-4000b1455c15 ro console=tty0,ttyS0 
dom0_mem=1024M  xencons=ttyS0,115200  [    0.000000] 
Initializing CPU#0 [    0.000000] 
NR_IRQS:2624 [    0.000000] PID hash table entries: 4096 
(order: 12, 32768 bytes) [    0.000000] Xen reported: 3325.078 
MHz processor. [    0.010000] Console: colour VGA+ 
80x25 [    0.010000] console [tty0] 
enabled [    0.010000] console [ttyS-1] 
enabled [    0.010000] Dentry cache hash table entries: 262144 
(order: 9, 2097152 bytes) [    0.010000] Inode-cache hash 
table entries: 131072 (order: 8, 1048576 bytes) [    0.010000] 
allocated 19141760 bytes of page_cgroup [    0.010000] please 
try cgroup_disable=memory option if you don't want [    
0.010000] Software IO TLB enabled:  [    0.010000]  
Aperture:     2 megabytes [    
0.010000]  Address size: 22 bits [    0.010000]  
Kernel range: ffff88000d53f000 - ffff88000d73f000 [    
0.010000] PCI-DMA: Using software bounce buffering for IO 
(SWIOTLB) [    0.010000] Memory: 1687420k/1914176k available 
(4945k kernel code, 8192k absent, 218284k reserved, 2352k data, 356k 
init) [    0.010000] SLUB: Genslabs=13, HWalign=64, Order=0-3, 
MinObjects=0, CPUs=2, Nodes=1 [    0.450001] Calibrating delay 
using timer specific routine.. 6652.32 BogoMIPS 
(lpj=33261612) [    0.450149] Security Framework 
initialized [    0.450211] SELinux:  Disabled at 
boot. [    0.450271] Mount-cache hash table entries: 
256 [    0.450441] Initializing cgroup subsys 
ns [    0.450501] Initializing cgroup subsys 
cpuacct [    0.450561] Initializing cgroup subsys 
memory [    0.450622] Initializing cgroup subsys 
freezer [    0.450695] CPU: L1 I cache: 32K, L1 D cache: 
32K [    0.450788] CPU: L2 cache: 6144K [    
0.450849] SMP alternatives: switching to UP code [    
0.471287] ACPI: Core revision 20090320 [    0.712908] SMP 
alternatives: switching to SMP code [    0.733298] Brought up 
2 CPUs [    0.733296] Initializing 
CPU#1 [    0.733296] CPU: L1 I cache: 32K, L1 D cache: 
32K [    0.733296] CPU: L2 cache: 6144K [    
0.740005] net_namespace: 1888 bytes [    0.740005] regulator: 
core version 0.5 [    0.740005] Time: 13:42:36  Date: 
10/10/09 [    0.740005] NET: Registered protocol family 
16 [    0.740005] ACPI FADT declares the system doesn't 
support PCIe ASPM, so disable it [    0.740005] ACPI: bus type 
pci registered [    0.740005] PCI: MCFG configuration 0: base 
e0000000 segment 0 buses 0 - 255 [    0.740005] PCI: MCFG area 
at e0000000 reserved in E820 [    0.770565] PCI: Using 
MMCONFIG at e0000000 - efffffff [    0.770624] PCI: Using 
configuration type 1 for base access [    0.771136] bio: 
create slab <bio-0> at 0 [    0.831163] ACPI: BIOS 
_OSI(Linux) query ignored [    0.856036] ACPI: Interpreter 
enabled [    0.856091] ACPI: (supports S0 S3 
S5) [    0.856250] ACPI: Using IOAPIC for interrupt 
routing [    0.950945] ACPI Warning (tbutils-0246): Incorrect 
checksum in table [TCPA] - 00, should be 7F [20090320] [    
0.955198] ACPI: ACPI Dock Station Driver: 1 docks/bays 
found [    0.955262] ACPI: PCI Root Bridge [PCI0] 
(0000:00) [    0.955452] pci 0000:00:01.0: PME# supported from 
D0 D3hot D3cold [    0.955512] pci 0000:00:01.0: PME# 
disabled [    0.955868] pci 0000:00:19.0: PME# supported from 
D0 D3hot D3cold [    0.955928] pci 0000:00:19.0: PME# 
disabled [    0.956397] pci 0000:00:1a.7: PME# supported from 
D0 D3hot D3cold [    0.956457] pci 0000:00:1a.7: PME# 
disabled [    0.956637] pci 0000:00:1b.0: PME# supported from 
D0 D3hot D3cold [    0.956697] pci 0000:00:1b.0: PME# 
disabled [    0.956826] pci 0000:00:1c.0: PME# supported from 
D0 D3hot D3cold [    0.956886] pci 0000:00:1c.0: PME# 
disabled [    0.957018] pci 0000:00:1c.1: PME# supported from 
D0 D3hot D3cold [    0.957078] pci 0000:00:1c.1: PME# 
disabled [    0.957559] pci 0000:00:1d.7: PME# supported from 
D0 D3hot D3cold [    0.957620] pci 0000:00:1d.7: PME# 
disabled [    0.958399] pci 0000:00:1e.0: transparent 
bridge [    2.201266] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 
4 5 6 7 9 10 *11 12 15) [    2.202476] ACPI: PCI Interrupt 
Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11 12 15) [    2.203676] 
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 *10 11 12 
15) [    2.204873] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 
6 7 9 10 11 12 15) *0, disabled. [    2.206157] ACPI: PCI 
Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 15) *0, 
disabled. [    2.207435] ACPI: PCI Interrupt Link [LNKF] (IRQs 
3 4 5 6 7 9 *10 11 12 15) [    2.208641] ACPI: PCI Interrupt 
Link [LNKG] (IRQs *3 4 5 6 7 9 10 11 12 15) [    2.209862] 
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 *10 11 12 
15) [    2.210516] xen_mem: Initialising balloon 
driver. [    2.210676] SCSI subsystem 
initialized [    2.210821] usbcore: registered new interface 
driver usbfs [    2.210885] usbcore: registered new interface 
driver hub [    2.210954] usbcore: registered new device 
driver usb [    2.211086] ACPI: WMI: Mapper 
loaded [    2.211137] PCI: Using ACPI for IRQ 
routing [    2.240008] Bluetooth: Core ver 
2.15 [    2.240099] NET: Registered protocol family 
31 [    2.240167] Bluetooth: HCI device and connection manager 
initialized [    2.240233] Bluetooth: HCI socket layer 
initialized [    2.240290] NET: Registered protocol family 
8 [    2.240344] NET: Registered protocol family 
20 [    2.240431] NetLabel: 
Initializing [    2.240482] NetLabel:  domain hash size = 
128 [    2.240533] NetLabel:  protocols = UNLABELED 
CIPSOv4 [    2.240595] NetLabel:  unlabeled traffic 
allowed by default [    2.270006] pnp: PnP ACPI 
init [    2.270079] ACPI: bus type pnp 
registered [    2.318568] pnp: PnP ACPI: found 9 
devices [    2.318624] ACPI: ACPI bus type pnp 
unregistered [    2.318684] system 00:01: ioport range 
0x800-0x85f has been reserved [    2.318742] system 00:01: 
ioport range 0xc00-0xc7f has been reserved [    2.318801] 
system 00:01: ioport range 0x860-0x8ff has been reserved (XEN) PCI add device 
00:00.0 (XEN) PCI add device 00:01.0 (XEN) PCI add device 00:02.0 (XEN) 
PCI add device 00:02.1 (XEN) PCI add device 00:19.0 (XEN) PCI add device 
00:1a.0 (XEN) PCI add device 00:1a.1 (XEN) PCI add device 00:1a.2 (XEN) 
PCI add device 00:1a.7 (XEN) PCI add device 00:1b.0 (XEN) PCI add device 
00:1c.0 (XEN) PCI add device 00:1c.1 (XEN) PCI add device 00:1d.0 (XEN) 
PCI add device 00:1d.1 (XEN) PCI add device 00:1d.2 (XEN) PCI add device 
00:1d.7 (XEN) PCI add device 00:1e.0 (XEN) PCI add device 00:1f.0 (XEN) 
PCI add device 00:1f.2 (XEN) PCI add device 00:1f.3 (XEN) PCI add device 
00:1f.5 [    2.319021] pci 0000:00:01.0: PCI bridge, secondary 
bus 0000:01 [    2.319080] pci 0000:00:01.0:   IO 
window: disabled [    2.319137] pci 0000:00:01.0:   
MEM window: 0xfe500000-0xfe5fffff [    2.319197] pci 
0000:00:01.0:   PREFETCH window: disabled [    
2.319257] pci 0000:00:1c.0: PCI bridge, secondary bus 
0000:02 [    2.319314] pci 0000:00:1c.0:   IO 
window: disabled [    2.319370] pci 0000:00:1c.0:   
MEM window: 0xfe400000-0xfe4fffff [    2.319429] pci 
0000:00:1c.0:   PREFETCH window: disabled [    
2.319491] pci 0000:00:1c.1: PCI bridge, secondary bus 
0000:03 [    2.319548] pci 0000:00:1c.1:   IO 
window: disabled [    2.319605] pci 0000:00:1c.1:   
MEM window: 0xfe300000-0xfe3fffff [    2.319662] pci 
0000:00:1c.1:   PREFETCH window: disabled [    
2.319724] pci 0000:00:1e.0: PCI bridge, secondary bus 
0000:04 [    2.319807] pci 0000:00:1e.0:   IO 
window: disabled [    2.319864] pci 0000:00:1e.0:   
MEM window: disabled [    2.319920] pci 
0000:00:1e.0:   PREFETCH window: disabled [    
2.319991] pci 0000:00:01.0: PCI INT A -> GSI 16 (level, low) -> IRQ 
16 [    2.320064] pci 0000:00:1c.0: PCI INT A -> GSI 16 
(level, low) -> IRQ 16 [    2.320133] pci 0000:00:1c.1: PCI 
INT B -> GSI 17 (level, low) -> IRQ 17 [    2.320228] 
NET: Registered protocol family 2 [    2.410058] IP route 
cache hash table entries: 65536 (order: 7, 524288 bytes) [    
2.410516] TCP established hash table entries: 262144 (order: 10, 4194304 
bytes) [    2.412439] TCP bind hash table entries: 65536 
(order: 8, 1048576 bytes) [    2.412979] TCP: Hash tables 
configured (established 262144 bind 65536) [    2.413039] TCP 
reno registered [    2.440103] NET: Registered protocol family 
1 [    2.440252] Trying to unpack rootfs image as 
initramfs... [    2.563832] Freeing initrd memory: 150327k 
freed [    2.628448] Simple Boot Flag at 0x7a set to 
0x1 [    2.628719] audit: initializing netlink socket 
(disabled) [    2.628789] type=2000 audit(1255182158.942:1): 
initialized [    2.634728] VFS: Disk quotas 
dquot_6.5.2 [    2.634818] Dquot-cache hash table entries: 512 
(order 0, 4096 bytes) [    2.635187] fuse init (API version 
7.11) [    2.635288] msgmni has been set to 
4016 [    2.635508] alg: No test for stdrng 
(krng) [    2.635565] io scheduler noop 
registered [    2.635617] io scheduler anticipatory 
registered [    2.635672] io scheduler deadline registered 
(default) [    2.635733] io scheduler cfq registered (XEN) 
PCI add device 00:01.0 (XEN) PCI add device 00:1c.0 (XEN) PCI add device 
00:1c.1 [    2.636637] pci_hotplug: PCI Hot Plug PCI Core 
version: 0.5 [    2.671200] pciehp: PCI Express Hot Plug 
Controller Driver version: 0.4 [    2.671335] input: Power 
Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [    
2.671408] ACPI: Power Button [PWRF] [    2.671490] input: 
Power Button as 
/devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1 [    
2.671565] ACPI: Power Button [VBTN] [    2.673713] No 
available Cx info for cpu 1 [    2.673797] processor 
ACPI_CPU:00: registered as cooling_device0 [    2.675360] No 
available Cx info for cpu 2 [    2.675424] processor 
ACPI_CPU:01: registered as cooling_device1 [    2.676984] No 
available Cx info for cpu 3 [    2.677050] processor 
ACPI_CPU:02: registered as cooling_device2 [    2.678608] No 
available Cx info for cpu 4 [    2.678670] processor 
ACPI_CPU:03: registered as cooling_device3 [    2.763259] 
Linux agpgart interface v0.103 [    2.763711] brd: module 
loaded [    2.763943] loop: module 
loaded [    2.764037] input: Macintosh mouse button emulation 
as /devices/virtual/input/input2 [    2.764140] Xen virtual 
console successfully installed as ttyS0 [    2.764214] 
Event-channel device installed. [    2.767764] 
blktap_device_init: blktap device major 252 [    2.767819] 
blktap_ring_init: blktap ring major: 252 [    2.769472] Driver 
'sd' needs updating - please use bus_type methods [    
2.769536] Driver 'sr' needs updating - please use bus_type methods (XEN) PCI 
add device 00:1f.2 [    2.769651] ata_piix 0000:00:1f.2: PCI 
INT C -> GSI 18 (level, low) -> IRQ 18 [    2.769715] 
ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ] [    2.930145] 
scsi0 : ata_piix [    2.930263] scsi1 : 
ata_piix [    2.934808] ata1: SATA max UDMA/133 cmd 0xfe00 ctl 
0xfe10 bmdma 0xfec0 irq 18 [    2.934872] ata2: SATA max 
UDMA/133 cmd 0xfe20 ctl 0xfe30 bmdma 0xfec8 irq 18 (XEN) PCI add device 
00:1f.5 [    2.934945] ata_piix 0000:00:1f.5: PCI INT C -> 
GSI 18 (level, low) -> IRQ 18 [    2.935008] ata_piix 
0000:00:1f.5: MAP [ P0 -- P1 -- ] [    3.090091] scsi2 : 
ata_piix [    3.090218] scsi3 : 
ata_piix [    3.090317] ata3: SATA max UDMA/133 cmd 0xfe40 ctl 
0xfe50 bmdma 0xfed0 irq 18 [    3.090379] ata4: SATA max 
UDMA/133 cmd 0xfe60 ctl 0xfe70 bmdma 0xfed8 irq 18 [    
3.090768] Fixed MDIO Bus: probed [    3.090823] PPP generic 
driver version 2.4.2 [    3.090921] ehci_hcd: USB 2.0 
'Enhanced' Host Controller (EHCI) Driver (XEN) PCI add device 
00:1a.7 [    3.090996] ehci_hcd 0000:00:1a.7: PCI INT C -> 
GSI 22 (level, low) -> IRQ 22 [    3.091070] ehci_hcd 
0000:00:1a.7: EHCI Host Controller [    3.091154] ehci_hcd 
0000:00:1a.7: new USB bus registered, assigned bus number 
1 [    3.095130] ehci_hcd 0000:00:1a.7: debug port 
1 [    3.095205] ehci_hcd 0000:00:1a.7: irq 22, io mem 
0xfe6da000 [    3.110009] ehci_hcd 0000:00:1a.7: USB 2.0 
started, EHCI 1.00 [    3.110148] usb usb1: configuration #1 
chosen from 1 choice [    3.110237] hub 1-0:1.0: USB hub 
found [    3.110295] hub 1-0:1.0: 6 ports detected (XEN) 
PCI add device 00:1d.7 [    3.110415] ehci_hcd 0000:00:1d.7: 
PCI INT A -> GSI 23 (level, low) -> IRQ 23 [    
3.110486] ehci_hcd 0000:00:1d.7: EHCI Host Controller [    
3.110567] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 
2 [    3.114541] ehci_hcd 0000:00:1d.7: debug port 
1 [    3.114612] ehci_hcd 0000:00:1d.7: irq 23, io mem 
0xff980000 [    3.130008] ehci_hcd 0000:00:1d.7: USB 2.0 
started, EHCI 1.00 [    3.130126] usb usb2: configuration #1 
chosen from 1 choice [    3.130217] hub 2-0:1.0: USB hub 
found [    3.130277] hub 2-0:1.0: 6 ports 
detected [    3.130385] ohci_hcd: USB 1.1 'Open' Host 
Controller (OHCI) Driver [    3.130451] uhci_hcd: USB 
Universal Host Controller Interface driver (XEN) PCI add device 
00:1a.0 [    3.130535] uhci_hcd 0000:00:1a.0: PCI INT A -> 
GSI 16 (level, low) -> IRQ 16 [    3.131112] uhci_hcd 
0000:00:1a.0: UHCI Host Controller [    3.131190] uhci_hcd 
0000:00:1a.0: new USB bus registered, assigned bus number 
3 [    3.131291] uhci_hcd 0000:00:1a.0: irq 16, io base 
0x0000ff20 [    3.131402] usb usb3: configuration #1 chosen 
from 1 choice [    3.131477] hub 3-0:1.0: USB hub 
found [    3.131536] hub 3-0:1.0: 2 ports detected (XEN) 
PCI add device 00:1a.1 [    3.131643] uhci_hcd 0000:00:1a.1: 
PCI INT B -> GSI 17 (level, low) -> IRQ 17 [    
3.131710] uhci_hcd 0000:00:1a.1: UHCI Host Controller [    
3.131812] uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 
4 [    3.131912] uhci_hcd 0000:00:1a.1: irq 17, io base 
0x0000ff00 [    3.132021] usb usb4: configuration #1 chosen 
from 1 choice [    3.132091] hub 4-0:1.0: USB hub 
found [    3.132150] hub 4-0:1.0: 2 ports detected (XEN) 
PCI add device 00:1a.2 [    3.132254] uhci_hcd 0000:00:1a.2: 
PCI INT C -> GSI 22 (level, low) -> IRQ 22 [    
3.132321] uhci_hcd 0000:00:1a.2: UHCI Host Controller [    
3.132402] uhci_hcd 0000:00:1a.2: new USB bus registered, assigned bus number 
5 [    3.132496] uhci_hcd 0000:00:1a.2: irq 22, io base 
0x0000fc00 [    3.132610] usb usb5: configuration #1 chosen 
from 1 choice [    3.132681] hub 5-0:1.0: USB hub 
found [    3.132740] hub 5-0:1.0: 2 ports detected (XEN) 
PCI add device 00:1d.0 [    3.132845] uhci_hcd 0000:00:1d.0: 
PCI INT A -> GSI 23 (level, low) -> IRQ 23 [    
3.132911] uhci_hcd 0000:00:1d.0: UHCI Host Controller [    
3.132988] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 
6 [    3.133083] uhci_hcd 0000:00:1d.0: irq 23, io base 
0x0000ff80 [    3.133218] usb usb6: configuration #1 chosen 
from 1 choice [    3.133292] hub 6-0:1.0: USB hub 
found [    3.133350] hub 6-0:1.0: 2 ports detected (XEN) 
PCI add device 00:1d.1 [    3.133455] uhci_hcd 0000:00:1d.1: 
PCI INT B -> GSI 17 (level, low) -> IRQ 17 [    
3.133521] uhci_hcd 0000:00:1d.1: UHCI Host Controller [    
3.133599] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 
7 [    3.133693] uhci_hcd 0000:00:1d.1: irq 17, io base 
0x0000ff60 [    3.133801] usb usb7: configuration #1 chosen 
from 1 choice [    3.133873] hub 7-0:1.0: USB hub 
found [    3.133933] hub 7-0:1.0: 2 ports detected (XEN) 
PCI add device 00:1d.2 [    3.134041] uhci_hcd 0000:00:1d.2: 
PCI INT C -> GSI 18 (level, low) -> IRQ 18 [    
3.134108] uhci_hcd 0000:00:1d.2: UHCI Host Controller [    
3.134186] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 
8 [    3.134279] uhci_hcd 0000:00:1d.2: irq 18, io base 
0x0000ff40 [    3.134392] usb usb8: configuration #1 chosen 
from 1 choice [    3.134463] hub 8-0:1.0: USB hub 
found [    3.134552] hub 8-0:1.0: 2 ports 
detected [    3.134677] usbcore: registered new interface 
driver libusual [    3.134751] usbcore: registered new 
interface driver usbserial [    3.134813] USB Serial support 
registered for generic [    3.134876] usbcore: registered new 
interface driver usbserial_generic [    3.134933] usbserial: 
USB Serial Driver core [    3.135008] PNP: No PS/2 controller 
found. Probing ports directly. [    3.137663] serio: i8042 KBD 
port at 0x60,0x64 irq 1 [    3.137721] serio: i8042 AUX port 
at 0x60,0x64 irq 12 [    3.137805] mice: PS/2 mouse device 
common for all mice [    3.137912] rtc_cmos 00:05: RTC can 
wake from S4 [    3.137985] rtc_cmos 00:05: rtc core: 
registered rtc_cmos as rtc0 [    3.138062] rtc0: alarms up to 
one day, 242 bytes nvram [    3.138166] device-mapper: uevent: 
version 1.0.3 [    3.138257] device-mapper: ioctl: 
4.14.0-ioctl (2008-04-23) initialised: dm-devel@xxxxxxxxxx [    
3.138395] device-mapper: multipath: version 1.0.5 loaded [    
3.138454] device-mapper: multipath round-robin: version 1.0.0 
loaded [    3.138776] TCP cubic 
registered [    3.138896] NET: Registered protocol family 
10 [    3.139201] lo: Disabled Privacy 
Extensions [    3.139418] NET: Registered protocol family 
17 [    3.139494] Bridge firewalling 
registered [    3.139558] Bluetooth: L2CAP ver 
2.13 [    3.139611] Bluetooth: L2CAP socket layer 
initialized [    3.139667] Bluetooth: SCO (Voice Link) ver 
0.6 [    3.139721] Bluetooth: SCO socket layer 
initialized [    3.139789] Bluetooth: RFCOMM socket layer 
initialized [    3.139847] Bluetooth: RFCOMM TTY layer 
initialized [    3.139903] Bluetooth: RFCOMM ver 
1.11 [    3.140006] registered taskstats version 
1 [    3.140148] PCI IO multiplexer device 
installed. [    3.140211]   Magic number: 
13:836:735 [    3.140313] rtc_cmos 00:05: setting system clock 
to 2009-10-10 13:42:39 UTC (1255182159) [    3.140389] BIOS 
EDD facility v0.16 2004-Jun-25, 1 devices found [    3.451160] 
ata3: SATA link down (SStatus 4 SControl 300) [    3.710007] 
usb 3-2: new low speed USB device using uhci_hcd and address 
2 [    3.790157] ata1.00: SATA link up 3.0 Gbps (SStatus 123 
SControl 300) [    3.790244] ata1.01: SATA link down (SStatus 
4 SControl 300) [    3.811151] ata1.00: ATA-8: WDC 
WD2500AAJS-75M0A0, 01.03E01, max UDMA/133 [    3.811229] 
ata1.00: 488281250 sectors, multi 8: LBA48 NCQ (depth 
0/32) [    3.831182] ata1.00: configured for 
UDMA/133 [    3.831375] scsi 0:0:0:0: 
Direct-Access     ATA      WDC 
WD2500AAJS-7 01.0 PQ: 0 ANSI: 5 [    3.831499] sd 0:0:0:0: 
Attached scsi generic sg0 type 0 [    3.831585] sd 0:0:0:0: 
[sda] 488281250 512-byte hardware sectors: (250 GB/232 
GiB) [    3.831664] sd 0:0:0:0: [sda] Write Protect is 
off [    3.831733] sd 0:0:0:0: [sda] Write cache: enabled, 
read cache: enabled, doesn't support DPO or FUA [    
3.831863]  sda: sda1 sda2 < sda5 sda6<6>usb 3-2: configuration #1 
chosen from 1 choice [    3.883831]  sda7 sda8 
> [    3.900246] sd 0:0:0:0: [sda] Attached SCSI 
disk [    4.160010] usb 4-1: new low speed USB device using 
uhci_hcd and address 2 [    4.340045] usb 4-1: configuration 
#1 chosen from 1 choice [    4.690089] ata2.00: SATA link up 
1.5 Gbps (SStatus 113 SControl 300) [    4.690182] ata2.01: 
SATA link down (SStatus 4 SControl 300) [    4.710219] 
ata2.00: ATAPI: PLDS DVD+/-RW DH-16A6S, YD12, max 
UDMA/100 [    4.750232] ata2.00: configured for 
UDMA/100 [    4.753351] scsi 1:0:0:0: 
CD-ROM            
PLDS     DVD+-RW DH-16A6S YD12 PQ: 0 ANSI: 
5 [    4.759615] sr0: scsi3-mmc drive: 48x/12x writer dvd-ram 
cd/rw xa/form2 cdda tray [    4.759705] Uniform CD-ROM driver 
Revision: 3.20 [    4.759848] sr 1:0:0:0: Attached scsi 
generic sg1 type 5 [    5.100054] ata4: SATA link down 
(SStatus 4 SControl 300) [    5.100246] Freeing unused kernel 
memory: 356k freed [    5.100413] Write protecting the kernel 
read-only data: 6844k [    5.264178] e1000e: Intel(R) PRO/1000 
Network Driver - 0.3.3.4-k4 [    5.264249] e1000e: Copyright 
(c) 1999-2008 Intel Corporation. (XEN) PCI add device 
00:19.0 [    5.264382] e1000e 0000:00:19.0: PCI INT A -> 
GSI 21 (level, low) -> IRQ 21 [    5.300624] usbcore: 
registered new interface driver hiddev [    5.314644] input: 
USB Optical Mouse as 
/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2:1.0/input/input3 [    
5.314797] generic-usb 0003:0461:4D22.0001: input,hidraw0: USB HID v1.11 Mouse 
[USB Optical Mouse] on usb-0000:00:1a.0-2/input0 [    
5.329490] input: Dell Dell QuietKey Keyboard as 
/devices/pci0000:00/0000:00:1a.1/usb4/4-1/4-1:1.0/input/input4 [    
5.329635] generic-usb 0003:413C:2106.0002: input,hidraw1: USB HID v1.10 Keyboard 
[Dell Dell QuietKey Keyboard] on 
usb-0000:00:1a.1-1/input0 [    5.329743] usbcore: registered 
new interface driver usbhid [    5.329800] usbhid: v2.6:USB 
HID core driver [    5.382609] 0000:00:19.0: eth0: (PCI 
Express:2.5GB/s:Width x1) 00:22:19:34:48:18 [    5.382704] 
0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection [    
5.382828] 0000:00:19.0: eth0: MAC: 8, PHY: 8, PBA No: 
2021ff-0ff [    6.108564] kjournald starting.  Commit 
interval 5 seconds [    6.108571] EXT3-fs: mounted filesystem 
with writeback data mode. [    9.776151] udev: starting 
version 141 [   11.242941] Serial: 8250/16550 driver, 4 ports, IRQ 
sharing enabled [   11.870370] ADDRCONF(NETDEV_UP): eth0: link is 
not ready [   11.918561] parport_pc 00:06: reported by Plug and 
Play ACPI [   11.918684] parport0: PC-style at 0x378 (0x778), irq 
7, using FIFO [PCSPP,TRISTATE,COMPAT,ECP] [   12.058030] dcdbas 
dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2) [   
12.194739] input: PC Speaker as 
/devices/platform/pcspkr/input/input5 [   12.223050] 
iTCO_vendor_support: vendor-support=0 [   12.234209] iTCO_wdt: 
Intel TCO WatchDog Timer Driver v1.05 [   12.234328] iTCO_wdt: 
failed to reset NO_REBOOT flag, reboot disabled by hardware [   
12.234429] iTCO_wdt: No card detected (XEN) PCI add device 
00:00.0 [   12.251581] agpgart-intel 0000:00:00.0: Intel Q45/Q43 
Chipset [   12.253079] agpgart-intel 0000:00:00.0: detected 32764K 
stolen memory [   12.255661] agpgart-intel 0000:00:00.0: AGP 
aperture is 256M @ 0xd0000000 [   12.265331] ppdev: user-space 
parallel port driver (XEN) PCI add device 00:1b.0 [   12.623704] 
HDA Intel 0000:00:1b.0: PCI INT A -> GSI 16 (level, low) -> IRQ 
16 [   13.099018] input: HDA Digital PCBeep as 
/devices/pci0000:00/0000:00:1b.0/input/input6 [   13.221329] lp0: 
using parport0 (interrupt-driven). 
  
The machine hangs here.  
    
My Optiplex 960 box:  
Ubuntu 9.04 Server  
E8600  
2G DDR 800 RAM   
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