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Re: [Xen-users] Xen Restarting on "Scrubbing Free RAM"



On 02/08/2011 10:54 AM, Bastian Mäuser wrote:
> Hi there,
> 
> i just captured what happens on the Serial Console with the Inband stuff
> of my HP Server:
> 
> http://mk.sky-bavaria.aero/v/lostandfound/xen-issues/
> 
> Sorry, it's big Images, and there was no way for textual logging outof
> the Java Remote Serial Console, so check the screens on the Right.
> 
> This is a real blocker, coz i can't seem to get a stack which i use on
> several other machines running on that (new) HP DL380G6 (Dual X5550,
> 16GB Ram).
> 
> so long,
> Bastian
> 
> On 02/08/2011 03:51 PM, Todd Deshane wrote:
>> On Tue, Feb 8, 2011 at 10:19 AM, lucianobarreto@xxxxxxxxx
>> <lucianobarreto@xxxxxxxxx> wrote:
>>> 2011/2/8 Todd Deshane <todd.deshane@xxxxxxx>
>>>> On Sun, Feb 6, 2011 at 8:35 PM, lucianobarreto@xxxxxxxxx
>>>> <lucianobarreto@xxxxxxxxx> wrote:
>>>>> Hi, I installed Xen 4.0.1 from source on Debian 5.0.8 and when boot my
>>>>> computer hardware reboots at like "Scrubbing Free RAM". I tryed to find
>>>>> some
>>>>> information here but none was helpfull to me. Anyone?
>>>>> I have 4GB memory and a AMD Turion II X2 M500
>>>>>
>>>>> (http://products.amd.com/pages/notebookcpudetail.aspx?id=581&f1=&f2=&f3=&f4=&f5=&f6=&f7=&f8=&f9=&AspxAutoDetectCookieSupport=1)
>>>>> Thanks to everybody
>>>> You could try adding noreboot to get more information and also
>>>> attaching a serial console:
>>>>
>>>>
>>>> http://wiki.xensource.com/xenwiki/XenCommonProblems#head-193e4128ce891ce0c96e2568608d02a2e1aa12eb
>>> I've tried noreboot but the screen go black and nothing happens.. ;(
>> Can you try the serial console?
>>
>> You may be getting a really early crash. Did you do a memtest?
>>
>> Check over your grub settings. There may be other things to add to get
>> more debug info.
>>
>> check here:
>> http://wiki.xensource.com/xenwiki/XenHypervisorBootOptions
>>
>> Do reply to xen-users to keep the traffic on list. Others may have
>> suggestions as well.
>>
>> Hope that helps.
>>
>> Thanks,
>> Todd
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>>
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
> 
I'm seeing the same on a HP DL380G6 (Dual X5550, 24GB Ram). Almost identical to 
Bastians's machine

Same symptons, machine boots fine on xen-4.0.1 and a 2.6.32.25 pvops kernel, 
later kernel versions, 2.6.32.26 or 2.6.32.27 crash.

Bastian's thread here, 
http://lists.xensource.com/archives/html/xen-devel/2011-02/msg00529.html on 
xen-devel caught my attention so I'm posting this. I hope it helps narrow 
things down a bit.

Steve.

__  __            _  _    ___   _ 
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  \  // _ \ '_ \  | || |_| | | || |
  /  \  __/ | | | |__   _| |_| || |
 /_/\_\___|_| |_|    |_|(_)___(_)_|
                                   
(XEN) Xen version 4.0.1 (root@[unknown]) (gcc version 4.4.1 (GCC) ) Fri Feb 11 
09:18:09 EST 2011
(XEN) Latest ChangeSet: unavailable                                             
                
(XEN) Bootloader: GNU GRUB 0.97                                                 
                
(XEN) Command line: dom0_mem=1G dom0_max_vcpus=2 dom0_vcpus_pin loglvl=all 
guest_loglvl=all com1=57600,8n1 console=com1
(XEN) Video information:                                                        
                                       
(XEN)  VGA is text mode 80x25, font 8x16                                        
                                       
(XEN)  VBE/DDC methods: none; EDID transfer time: 2 seconds                     
                                       
(XEN)  EDID info not retrieved because no DDC retrieval method detected         
                                       
(XEN) Disc information:                                                         
                                       
(XEN)  Found 1 MBR signatures                                                   
                                       
(XEN)  Found 1 EDD information structures                                       
                                       
(XEN) Xen-e820 RAM map:                                                         
                                       
(XEN)  0000000000000000 - 000000000009f400 (usable)                             
                                       
(XEN)  000000000009f400 - 00000000000a0000 (reserved)                           
                                       
(XEN)  00000000000f0000 - 0000000000100000 (reserved)                           
                                       
(XEN)  0000000000100000 - 00000000d762f000 (usable)                             
                                       
(XEN)  00000000d762f000 - 00000000d763c000 (ACPI data)                          
                                       
(XEN)  00000000d763c000 - 00000000d763d000 (usable)                             
                                       
(XEN)  00000000d763d000 - 00000000dc000000 (reserved)                           
                                       
(XEN)  00000000fec00000 - 00000000fee10000 (reserved)                           
                                       
(XEN)  00000000ff800000 - 0000000100000000 (reserved)                           
                                       
(XEN)  0000000100000000 - 0000000627fff000 (usable)                             
                                       
(XEN) ACPI: RSDP 000F4F00, 0024 (r2 HP    )                                     
                                       
(XEN) ACPI: XSDT D7630040, 00AC (r1 HP     ProLiant        2   Ò     162E)      
                                       
(XEN) ACPI: FACP D7630140, 00F4 (r3 HP     ProLiant        2   Ò     162E)      
                                       
(XEN) ACPI: DSDT D7630240, 2005 (r1 HP         DSDT        1 INTL 20030228)     
                                       
(XEN) ACPI: FACS D762F100, 0040                                                 
                                       
(XEN) ACPI: SPCR D762F140, 0050 (r1 HP     SPCRRBSU        1   Ò     162E)      
                                       
(XEN) ACPI: MCFG D762F1C0, 003C (r1 HP     ProLiant        1             0)     
                                       
(XEN) ACPI: HPET D762F200, 0038 (r1 HP     ProLiant        2   Ò     162E)      
                                       
(XEN) ACPI: FFFF D762F240, 0064 (r2 HP     ProLiant        2   Ò     162E)      
                                       
(XEN) ACPI: SPMI D762F2C0, 0040 (r5 HP     ProLiant        1   Ò     162E)      
                                       
(XEN) ACPI: ERST D762F300, 01D0 (r1 HP     ProLiant        1   Ò     162E)      
                                       
(XEN) ACPI: APIC D762F500, 015E (r1 HP     ProLiant        2             0)     
                                       
(XEN) ACPI: SRAT D762F680, 0570 (r1 HP     Proliant        1   Ò     162E)      
                                       
(XEN) ACPI: FFFF D762FC00, 0176 (r1 HP     ProLiant        1   Ò     162E)      
                                       
(XEN) ACPI: BERT D762FD80, 0030 (r1 HP     ProLiant        1   Ò     162E)      
                                       
(XEN) ACPI: HEST D762FDC0, 00BC (r1 HP     ProLiant        1   Ò     162E)      
                                       
(XEN) ACPI: DMAR D762FE80, 011C (r1 HP     ProLiant        1   Ò     162E)      
                                       
(XEN) ACPI: SSDT D7632280, 0125 (r3     HP  CRSPCI0        2   HP        1)     
                                       
(XEN) ACPI: SSDT D76323C0, 0255 (r3     HP  riser1a        2 INTL 20061109)     
                                       
(XEN) ACPI: SSDT D7632640, 0377 (r1     HP     pmab        1 INTL 20090625)     
                                       
(XEN) ACPI: SSDT D76329C0, 22E4 (r1  INTEL PPM RCM         1 INTL 20061109)     
                                       
(XEN) System RAM: 24565MB (25155384kB)                                          
                                       
(XEN) SRAT: PXM 0 -> APIC 0 -> Node 0                                           
                                       
(XEN) SRAT: PXM 0 -> APIC 1 -> Node 0                                           
                                       
(XEN) SRAT: PXM 0 -> APIC 2 -> Node 0                                           
                                       
(XEN) SRAT: PXM 0 -> APIC 3 -> Node 0                                           
                                       
(XEN) SRAT: PXM 0 -> APIC 4 -> Node 0                                           
                                       
(XEN) SRAT: PXM 0 -> APIC 5 -> Node 0                                           
                                       
(XEN) SRAT: PXM 0 -> APIC 6 -> Node 0                                           
                                       
(XEN) SRAT: PXM 0 -> APIC 7 -> Node 0                                           
                                       
(XEN) SRAT: PXM 1 -> APIC 16 -> Node 1                                          
                                       
(XEN) SRAT: PXM 1 -> APIC 17 -> Node 1                                          
                                       
(XEN) SRAT: PXM 1 -> APIC 18 -> Node 1                                          
                                       
(XEN) SRAT: PXM 1 -> APIC 19 -> Node 1                                          
                                       
(XEN) SRAT: PXM 1 -> APIC 20 -> Node 1                                          
                                       
(XEN) SRAT: PXM 1 -> APIC 21 -> Node 1                                          
                                       
(XEN) SRAT: PXM 1 -> APIC 22 -> Node 1                                          
                                       
(XEN) SRAT: PXM 1 -> APIC 23 -> Node 1                                          
                                       
(XEN) SRAT: Node 0 PXM 0 0-d8000000                                             
                                       
(XEN) SRAT: Node 0 PXM 0 100000000-328000000                                    
                                       
(XEN) SRAT: Node 1 PXM 1 328000000-628000000                                    
                                       
(XEN) NUMA: Allocated memnodemap from 627efc000 - 627efd000                     
                                       
(XEN) NUMA: Using 15 for the hash shift.                                        
                                       
(XEN) Reserving non-aligned node boundary @ mfn 0x328000                        
                                       
(XEN) Domain heap initialised DMA width 31 bits                                 
                                       
(XEN) found SMP MP-table at 000f4f80                                            
                                       
(XEN) DMI 2.6 present.                                                          
                                       
(XEN) Using APIC driver default                                                 
                                       
(XEN) ACPI: PM-Timer IO Port: 0x908                                             
                                       
(XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[904,0], pm1x_evt[900,0]                   
                                       
(XEN) ACPI:                  wakeup_vec[d762f10c], vec_size[20]                 
                                       
(XEN) ACPI: Local APIC address 0xfee00000                                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)                        
                                       
(XEN) Processor #0 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x10] lapic_id[0x20] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x10] enabled)                        
                                       
(XEN) Processor #16 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x18] lapic_id[0x30] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x04] enabled)                        
                                       
(XEN) Processor #4 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x14] lapic_id[0x24] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x14] enabled)                        
                                       
(XEN) Processor #20 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x1c] lapic_id[0x34] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)                        
                                       
(XEN) Processor #2 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x12] lapic_id[0x22] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x12] enabled)                        
                                       
(XEN) Processor #18 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x1a] lapic_id[0x32] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x06] enabled)                        
                                       
(XEN) Processor #6 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x16] lapic_id[0x26] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x16] enabled)                        
                                       
(XEN) Processor #22 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x1e] lapic_id[0x36] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)                        
                                       
(XEN) Processor #1 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x11] lapic_id[0x21] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x09] lapic_id[0x11] enabled)                        
                                       
(XEN) Processor #17 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x19] lapic_id[0x31] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x05] enabled)                        
                                       
(XEN) Processor #5 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x15] lapic_id[0x25] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x15] enabled)                        
                                       
(XEN) Processor #21 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x1d] lapic_id[0x35] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)                        
                                       
(XEN) Processor #3 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x13] lapic_id[0x23] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x13] enabled)                        
                                       
(XEN) Processor #19 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x1b] lapic_id[0x33] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled)                        
                                       
(XEN) Processor #7 7:10 APIC version 21                                         
                                       
(XEN) ACPI: LAPIC (acpi_id[0x17] lapic_id[0x27] disabled)                       
                                       
(XEN) ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x17] enabled)                        
                                       
(XEN) Processor #23 7:10 APIC version 21                                        
                                       
(XEN) ACPI: LAPIC (acpi_id[0x1f] lapic_id[0x37] disabled)                       
                                       
(XEN) ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])                         
                                       
(XEN) Overriding APIC driver with bigsmp                                        
                                       
(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: IOAPIC (id[0x00] address[0xfec80000] gsi_base[24])                  
                                       
(XEN) IOAPIC[1]: apic_id 0, version 32, address 0xfec80000, GSI 24-47           
                                       
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)                
                                       
(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:  Phys.  Using 2 I/O APICs                             
                                       
(XEN) ACPI: HPET id: 0x8086a201 base: 0xfed00000                                
                                       
(XEN) PCI: MCFG configuration 0: base d8000000 segment 0 buses 0 - 63           
                                       
(XEN) PCI: MCFG area at d8000000 reserved in E820                               
                                       
(XEN) Using ACPI (MADT) for SMP configuration information                       
                                       
(XEN) Using scheduler: SMP Credit Scheduler (credit)                            
                                       
(XEN) Detected 2666.863 MHz processor.                                          
                                       
(XEN) Initing memory sharing.                                                   
                                       
(XEN) VMX: Supported advanced features:                                         
                                       
(XEN)  - APIC MMIO access virtualisation                                        
                                       
(XEN)  - APIC TPR shadow                                                        
                                       
(XEN)  - Extended Page Tables (EPT)                                             
                                       
(XEN)  - Virtual-Processor Identifiers (VPID)                                   
                                       
(XEN)  - Virtual NMI                                                            
                                       
(XEN)  - MSR direct-access bitmap                                               
                                       
(XEN) EPT supports 2MB super page.                                              
                                       
(XEN) HVM: ASIDs enabled.                                                       
                                       
(XEN) HVM: VMX enabled                                                          
                                       
(XEN) HVM: Hardware Assisted Paging detected.                                   
                                       
(XEN) Intel machine check reporting enabled                                     
                                       
(XEN) Intel VT-d Snoop Control not supported.                                   
                                       
(XEN) Intel VT-d DMA Passthrough not supported.                                 
                                       
(XEN) Intel VT-d Queued Invalidation supported.                                 
                                       
(XEN) Intel VT-d Interrupt Remapping supported.                                 
                                       
(XEN) I/O virtualisation enabled                                                
                                       
(XEN)  - Dom0 mode: Relaxed                                                     
                                       
(XEN) Total of 16 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) TSC is reliable, synchronization unnecessary                              
                                       
(XEN) Platform timer is 14.318MHz HPET                                          
                                       
ÿ(XEN) Allocated console ring of 128 KiB.                                       
                                       
(XEN) microcode.c:73:d32767 microcode: CPU1 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU2 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU3 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU4 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU5 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU6 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU7 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU8 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU9 resumed                             
                                       
(XEN) microcode.c:73:d32767 microcode: CPU10 resumed                            
                                       
(XEN) microcode.c:73:d32767 microcode: CPU11 resumed                            
                                       
(XEN) microcode.c:73:d32767 microcode: CPU12 resumed                            
                                       
(XEN) microcode.c:73:d32767 microcode: CPU13 resumed                            
                                       
(XEN) microcode.c:73:d32767 microcode: CPU14 resumed                            
                                       
(XEN) Brought up 16 CPUs                                                        
                                       
(XEN) microcode.c:73:d32767 microcode: CPU15 resumed                            
                                       
(XEN) Turbo Mode detected!                                                      
                                       
(XEN) HPET's MSI mode hasn't been supported when Interrupt Remapping is 
enabled.                                       
(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, PAE, lsb, paddr 0x1000000 -> 0x179f000              
                                       
(XEN) PHYSICAL MEMORY ARRANGEMENT:                                              
                                       
(XEN)  Dom0 alloc.:   0000000322000000->0000000324000000 (253952 pages to be 
allocated)                                
(XEN) VIRTUAL MEMORY ARRANGEMENT:                                               
                                       
(XEN)  Loaded kernel: ffffffff81000000->ffffffff8179f000                        
                                       
(XEN)  Init. ramdisk: ffffffff8179f000->ffffffff8179f000                        
                                       
(XEN)  Phys-Mach map: ffffffff8179f000->ffffffff8199f000                        
                                       
(XEN)  Start info:    ffffffff8199f000->ffffffff8199f4b4                        
                                       
(XEN)  Page tables:   ffffffff819a0000->ffffffff819b1000                        
                                       
(XEN)  Boot stack:    ffffffff819b1000->ffffffff819b2000                        
                                       
(XEN)  TOTAL:         ffffffff80000000->ffffffff81c00000                        
                                       
(XEN)  ENTRY ADDRESS: ffffffff81593200                                          
                                       
(XEN) Dom0 has maximum 2 VCPUs                                                  
                                       
(XEN) Scrubbing Free RAM: 
...........................................................................................................................................
(XEN) trace.c:89:d32767 calc_tinfo_first_offset: NR_CPUs 128, offset_in_bytes 
258, t_info_first_offset 65                                                     
       
(XEN) Xen trace buffers: disabled                                               
                                                                                
     
(XEN) Std. Loglevel: All                                                        
                                                                                
     
(XEN) Guest Loglevel: All                                                       
                                                                                
     
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen)                                                                            
        
(XEN) Freed 172kB init memory.                                                  
                                                                                
     
mapping kernel into physical memory                                             
                                                                                
     
Xen: setup ISA identity maps                                                    
                                                                                
     
about to get started...                                                         
                                                                                
     
[    0.000000] Initializing cgroup subsys cpuset                                
                                                                                
     
[    0.000000] Initializing cgroup subsys cpu                                   
                                                                                
     
[    0.000000] Linux version 2.6.32.27 (root@xen5) (gcc version 4.4.1 (GCC) ) 
#1 SMP Tue Feb 22 15:01:54 EST 2011                                             
       
[    0.000000] Command line: root=/dev/cciss/c0d0p1 max_loop=32 console=hvc0 
earlyprintk=xen initcall_debug debug loglevel=10                                
        
[    0.000000] KERNEL supported cpus:                                           
                                                                                
     
[    0.000000]   Intel GenuineIntel                                             
                                                                                
     
[    0.000000]   AMD AuthenticAMD                                               
                                                                                
     
[    0.000000]   Centaur CentaurHauls                                           
                                                                                
     
[    0.000000] released 0 pages of unused memory                                
                                                                                
     
[    0.000000] BIOS-provided physical RAM map:                                  
                                                                                
     
[    0.000000]  Xen: 0000000000000000 - 000000000009f400 (usable)               
                                                                                
     
[    0.000000]  Xen: 000000000009f400 - 0000000000100000 (reserved)             
                                                                                
     
[    0.000000]  Xen: 0000000000100000 - 0000000040000000 (usable)               
                                                                                
     
[    0.000000]  Xen: 00000000d762f000 - 00000000d763c000 (ACPI data)            
                                                                                
     
[    0.000000]  Xen: 00000000d763d000 - 00000000dc000000 (reserved)             
                                                                                
     
[    0.000000]  Xen: 00000000fec00000 - 00000000fee10000 (reserved)             
                                                                                
     
[    0.000000]  Xen: 00000000ff800000 - 0000000100000000 (reserved)             
                                                                                
     
[    0.000000]  Xen: 0000000100000000 - 0000000340000000 (usable)               
                                                                                
     
[    0.000000] bootconsole [xenboot0] enabled                                   
                                                                                
     
[    0.000000] DMI 2.6 present.                                                 
                                                                                
     
[    0.000000] last_pfn = 0x340000 max_arch_pfn = 0x400000000                   
                                                                                
     
[    0.000000] x86 PAT enabled: cpu 0, old 0x50100070406, new 0x7010600070106   
                                                                                
     
[    0.000000] last_pfn = 0x40000 max_arch_pfn = 0x400000000                    
                                                                                
     
[    0.000000] e820 update range: 0000000000001000 - 0000000000006000 (usable) 
==> (reserved)                                                                  
      
[    0.000000] Scanning 1 areas for low memory corruption                       
                                                                                
     
[    0.000000] modified physical RAM map:                                       
                                                                                
     
[    0.000000]  modified: 0000000000000000 - 0000000000001000 (usable)          
                                                                                
     
[    0.000000]  modified: 0000000000001000 - 0000000000006000 (reserved)        
                                                                                
     
[    0.000000]  modified: 0000000000006000 - 000000000009f400 (usable)          
                                                                                
     
[    0.000000]  modified: 000000000009f400 - 0000000000100000 (reserved)        
                                                                                
     
[    0.000000]  modified: 0000000000100000 - 0000000040000000 (usable)          
                                                                                
     
[    0.000000]  modified: 00000000d762f000 - 00000000d763c000 (ACPI data)       
                                                                                
     
[    0.000000]  modified: 00000000d763d000 - 00000000dc000000 (reserved)        
                                                                                
     
[    0.000000]  modified: 00000000fec00000 - 00000000fee10000 (reserved)        
                                                                                
     
[    0.000000]  modified: 00000000ff800000 - 0000000100000000 (reserved)        
                                                                                
     
[    0.000000]  modified: 0000000100000000 - 0000000340000000 (usable)          
                                                                                
     
[    0.000000] initial memory mapped : 0 - 023ff000                             
                                                                                
     
[    0.000000] init_memory_mapping: 0000000000000000-0000000040000000           
                                                                                
     
[    0.000000]  0000000000 - 0040000000 page 4k                                 
                                                                                
     
[    0.000000] kernel direct mapping tables up to 40000000 @ 100000-302000      
                                                                                
     
[    0.000000] init_memory_mapping: 0000000100000000-0000000340000000           
                                                                                
     
[    0.000000]  0100000000 - 0340000000 page 4k                                 
                                                                                
     
[    0.000000] kernel direct mapping tables up to 340000000 @ 19b1000-33bf000   
                                                                                
     
[    0.000000] ACPI: RSDP 00000000000f4f00 00024 (v02 HP    )                   
                                                                                
     
[    0.000000] ACPI: XSDT 00000000d7630040 000AC (v01 HP     ProLiant 00000002  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: FACP 00000000d7630140 000F4 (v03 HP     ProLiant 00000002  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI Warning: Invalid length for Pm1aControlBlock: 32, using 
default 16 (20090903/tbfadt-607)                                                
         
[    0.000000] ACPI Warning: Invalid length for Pm2ControlBlock: 32, using 
default 8 (20090903/tbfadt-607)                                                 
          
[    0.000000] ACPI: DSDT 00000000d7630240 02005 (v01 HP         DSDT 00000001 
INTL 20030228)                                                                  
      
[    0.000000] ACPI: FACS 00000000d762f100 00040                                
                                                                                
     
[    0.000000] ACPI: SPCR 00000000d762f140 00050 (v01 HP     SPCRRBSU 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: MCFG 00000000d762f1c0 0003C (v01 HP     ProLiant 00000001  
    00000000)                                                                   
     
[    0.000000] ACPI: HPET 00000000d762f200 00038 (v01 HP     ProLiant 00000002  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: FFFF 00000000d762f240 00064 (v02 HP     ProLiant 00000002  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: SPMI 00000000d762f2c0 00040 (v05 HP     ProLiant 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: ERST 00000000d762f300 001D0 (v01 HP     ProLiant 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: APIC 00000000d762f500 0015E (v01 HP     ProLiant 00000002  
    00000000)                                                                   
     
[    0.000000] ACPI: SRAT 00000000d762f680 00570 (v01 HP     Proliant 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: FFFF 00000000d762fc00 00176 (v01 HP     ProLiant 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: BERT 00000000d762fd80 00030 (v01 HP     ProLiant 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: HEST 00000000d762fdc0 000BC (v01 HP     ProLiant 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: XMAR 00000000d762fe80 0011C (v01 HP     ProLiant 00000001  
 Ò? 0000162E)                                                                   
     
[    0.000000] ACPI: SSDT 00000000d7632280 00125 (v03     HP  CRSPCI0 00000002  
 HP 00000001)                                                                   
     
[    0.000000] ACPI: SSDT 00000000d76323c0 00255 (v03     HP  riser1a 00000002 
INTL 20061109)                                                                  
      
[    0.000000] ACPI: SSDT 00000000d7632640 00377 (v01     HP     pmab 00000001 
INTL 20090625)                                                                  
      
[    0.000000] ACPI: SSDT 00000000d76329c0 022E4 (v01  INTEL PPM RCM  00000001 
INTL 20061109)                                                                  
      
[    0.000000] ACPI: Local APIC address 0xfee00000                              
                                                                                
     
[    0.000000] (9 early reservations) ==> bootmem [0000000000 - 0340000000]     
                                                                                
     
[    0.000000]   #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 
- 0000001000]                                                                   
      
[    0.000000]   #1 [00019a0000 - 00019b1000]   XEN PAGETABLES ==> [00019a0000 
- 00019b1000]                                                                   
      
[    0.000000]   #2 [0000006000 - 0000008000]       TRAMPOLINE ==> [0000006000 
- 0000008000]
[    0.000000]   #3 [0001000000 - 00016748d4]    TEXT DATA BSS ==> [0001000000 
- 00016748d4]
[    0.000000]   #4 [000179f000 - 00019a0000]   XEN START INFO ==> [000179f000 
- 00019a0000]
[    0.000000]   #5 [0100000000 - 0340000000]        XEN EXTRA ==> [0100000000 
- 0340000000]
[    0.000000]   #6 [0001675000 - 0001681180]              BRK ==> [0001675000 
- 0001681180]
[    0.000000]   #7 [0000100000 - 00002ee000]          PGTABLE ==> [0000100000 
- 00002ee000]
[    0.000000]   #8 [00019b1000 - 0002bba000]          PGTABLE ==> [00019b1000 
- 0002bba000]
[    0.000000] found SMP MP-table at [ffff8800000f4f80] f4f80
(XEN) mm.c:860:d0 Error getting mfn 100 (pfn 5555555555555555) from L1 entry 
0000000000100463 for l1e_owner=0, pg_owner=0
(XEN) mm.c:4644:d0 ptwr_emulate: could not get_page_from_l1e()
(XEN) d0:v0: unhandled page fault (ec=0003)
(XEN) Pagetable walk from ffffffff815fb008:
(XEN)  L4[0x1ff] = 0000000323003067 0000000000001003
(XEN)  L3[0x1fe] = 0000000323007067 0000000000001007
(XEN)  L2[0x00a] = 00000003239ad067 00000000000019ad
(XEN)  L1[0x1fb] = 00100003235fb065 00000000000015fb
(XEN) domain_crash_sync called from entry.S
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-4.0.1  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    e033:[<ffffffff8100cf56>]
(XEN) RFLAGS: 0000000000000246   EM: 1   CONTEXT: pv guest
(XEN) rax: 0000000000000000   rbx: ffffffff815fb008   rcx: 0000000000000000
(XEN) rdx: 0000000010000001   rsi: 0000000000100463   rdi: ffffffff815fb008
(XEN) rbp: ffffffff81523db8   rsp: ffffffff81523d60   r8:  00000000000ff463
(XEN) r9:  0000000000000001   r10: 00000000000000f5   r11: ffffffff81523da8
(XEN) r12: 0000000000100463   r13: 0000000000100463   r14: 8000000000000563
(XEN) r15: 0000000000000001   cr0: 000000008005003b   cr4: 00000000000026f0
(XEN) cr3: 0000000323001000   cr2: ffffffff815fb008
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff81523d60:
(XEN)    0000000000000000 ffffffff81523da8 0000000000000003 ffffffff8100cf56
(XEN)    000000010000e030 0000000000010046 ffffffff81523da8 000000000000e02b
(XEN)    ffffffff8100cf56 ffffffff815fb008 0000000000100463 ffffffff81523de8
(XEN)    ffffffff81596e37 0000000000100463 0000000000000000 00000000000ff91f
(XEN)    0000000000100000 ffffffff81523e48 ffffffff815a4cfd 000000000000b080
(XEN)    0000000000000001 000009fe00000001 ffffffffff401000 ffffffff81523e78
(XEN)    00000000000ff91f 000000000000b080 0000000000000001 ffffffffffffffff
(XEN)    0000000000000000 ffffffff81523e58 ffffffff815a4de1 ffffffff81523e78
(XEN)    ffffffff8159f1a4 ffff8800000f4f80 000000000000b080 ffffffff81523ea8
(XEN)    ffffffff8159f2b7 ffffffff81523ec8 0000000000000001 0000000000000000
(XEN)    0000000000040000 ffffffff81523ec8 ffffffff8159f32b ffffffffffffffff
(XEN)    0000000000000000 ffffffff81523f68 ffffffff815989ac ffffffff81523e48
(XEN)    ffffffff815c31f0 0000000000000000 0000000000000000 ffffffffffffffff
(XEN)    0000000000000000 ffffffff81523f68 ffffffff81399b3d ffffffff00000010
(XEN)    ffffffff81523f78 ffffffff81523f38 ffffffff8105fe3d 0000000000000005
(XEN)    ffffffff815c31f0 0000000000000000 0000000000000000 ffffffffffffffff
(XEN)    0000000000000000 ffffffff81523fa8 ffffffff815939cc ffffffff81523fa8
(XEN)    ffffffff815c5270 00000000016748d4 0000000000000000 0000000000000000
(XEN)    0000000000000000 ffffffff81523fc8 ffffffff815932c1 ffffffff8158a590
(XEN)    ffffffff81001000 ffffffff81523ff8 ffffffff8159672f 0000000000000001
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.

root@xen5:~/linux-2.6-xen# gdb vmlinux
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...
(gdb) list *0xffffffff8100cf56
0xffffffff8100cf56 is in __brk_reservation_fn_level1_ident_pgt__ 
(arch/x86/xen/mmu.c:962).
957     #ifdef CONFIG_X86_PAE
958             ptep->pte_high = pte.pte_high;
959             smp_wmb();
960             ptep->pte_low = pte.pte_low;
961     #else
962             *ptep = pte;
963     #endif
964     }
965
966     #ifdef CONFIG_X86_PAE
(gdb)





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