Re: [Xen-users] Live migration problem

[Steven Yelton <steveny@xxxxxxxxxxxxxxx>]

Please find my xm_dmesg.txt  attached.

Here is my xen config file:
kernel ="/boot/vmlinuz-2.6.11-xenU"
memory = 256
name = "rawhide"
nics = 1
disk = ['phy:gnbd/gndb1xennode1root,sda1,w']
root = "/dev/sda1 ro"

I downloaded 2.0.7 and did a make world; make install

If you need anymore information, just let me know...

Thanks much,
Steven

Ian Pratt wrote:

>  
>
> > I think I am having a similar problem as this:
> >
> > http://lists.xensource.com/archives/html/xen-users/2005-04/msg
> > 00251.html
> >
> > on xen 2.0.7
> >
> > I can live migrate successfully 90% of the time, but I do hit 
> > this.  Is there an update on the status of a fix?
> >    
> This is nasty -- the domain is probably crashing during the migrate. We
> have never seen this failure mode on 2.0.7, even after many thousands of
> migrates.
>
> Have you compiled your own kernel or are you using one of ours? (I
> presume 2.6.11 ?)
>
> What are you running in the guest?
>
> What does 'xm dmesg' show?
>
> Ian
>
>  
>
> > The last part of the xfer log:
> >
> > [1123789954.329159] Saving memory pages: iter 28   0%
> > Saving memory pages: iter 28   0%^M 28: sent 34, skipped 0,
> > ^M 28: sent 34, skipped 0, [DEBUG] Conn_sxpr> (xfr.err 
> > 22)[DEBUG] Conn_sxpr< err=0 Retry suspend domain (0) 
> > (repeated 350 times or so) Retry suspend domain (0) Unable to 
> > suspend domain. (0) Unable to suspend domain. (0) Domain 
> > appears not to have suspended: 0 Domain appears not to have 
> > suspended: 0
> > 4155 [WRN] XFRD> Transfer errors:
> > 4155 [WRN] XFRD> state=XFR_STATE    err=1
> > 4155 [INF] XFRD> Xfr service err=1
> >
> > Thanks much for any help.
> >
> > Steven
> >
> >    
ERROR: cannot use unconfigured serial port COM1
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 \ \/ /___ _ __   |___ \  / _ \|___  |
  \  // _ \ '_ \    __) || | | |  / / 
  /  \  __/ | | |  / __/ | |_| | / /  
 /_/\_\___|_| |_| |_____(_)___(_)_/   
                                      
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 2.0.7 (root@xxxxxxxxxxxxxxx) (gcc version 3.2.3 20030502 (Red Hat 
Linux 3.2.3-47.fc4)) Thu Aug 11 11:40:32 EDT 2005
 Latest ChangeSet:  

(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009f800 (usable)
(XEN)  000000000009f800 - 00000000000a0000 (reserved)
(XEN)  00000000000e6c00 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000040fd800 (usable)
(XEN)  00000000040fd800 - 00000000040ff800 (ACPI data)
(XEN)  00000000040ff800 - 00000000040ffc00 (ACPI NVS)
(XEN)  00000000040ffc00 - 0000000028000000 (usable)
(XEN)  00000000fff80000 - 0000000100000000 (reserved)
(XEN) System RAM: 639MB (654960kB)
(XEN) Xen heap: 10MB (10776kB)
(XEN) CPU0: Before vendor init, caps: 0383f9ff 00000000 00000000, vendor = 0
(XEN) CPU caps: 0383f9ff 00000000 00000000 00000000
(XEN) ACPI: RSDP (v000 PTLTD                                     ) @ 0x000f6b80
(XEN) ACPI: RSDT (v001 PTLTD    RSDT   0x00000000 PTL  0x01000000) @ 0x040fdb3c
(XEN) ACPI: FADT (v001 DELL   KUBLAI   0x19990921 PTL  0x000f4240) @ 0x040ff78c
(XEN) ACPI: DSDT (v001  Intel  S2440BX 0x00000000 MSFT 0x01000004) @ 0x00000000
(XEN) Using scheduler: Borrowed Virtual Time (bvt)
(XEN) Initializing CPU#0
(XEN) Detected 498.867 MHz processor.
(XEN) Local APIC disabled by BIOS -- reenabling.
(XEN) Found and enabled local APIC!
(XEN) CPU0: Before vendor init, caps: 0383fbff 00000000 00000000, vendor = 0
(XEN) CPU caps: 0383fbff 00000000 00000000 00000000
(XEN) CPU0 booted
(XEN) SMP motherboard not detected.
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 00000000
(XEN) ESR value after enabling vector: 00000000
(XEN) Using local APIC timer interrupts.
(XEN) Calibrating APIC timer for CPU0...
(XEN) ..... CPU speed is 498.8635 MHz.
(XEN) ..... Bus speed is 99.7725 MHz.
(XEN) ..... bus_scale = 0x0000662C
(XEN) Time init:
(XEN) .... System Time: 10978130ns
(XEN) .... cpu_freq:    00000000:1DBC1BEC
(XEN) .... scale:       00000002:0129A2E4
(XEN) .... Wall Clock:  1123773499s 30000us
(XEN) PCI: PCI BIOS revision 2.10 entry at 0xfd993, last bus=1
(XEN) PCI: Using configuration type 1
(XEN) PCI: Probing PCI hardware
(XEN) PCI: Probing PCI hardware (bus 00)
(XEN) PCI: Using IRQ router PIIX/ICH [8086/7110] at 00:07.0
(XEN) Limiting direct PCI/PCI transfers.
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found: 
'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=2.0,VIRT_BASE=0xC0000000,LOADER=generic,PT_MODE_WRITABLE'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Kernel image:  00c00000->010415e8
(XEN)  Initrd image:  01042000->0123f600
(XEN)  Dom0 alloc.:   04400000->0c400000
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c056a020
(XEN)  Init. ramdisk: c056b000->c0768600
(XEN)  Phys-Mach map: c0769000->c0789000
(XEN)  Page tables:   c0789000->c078d000
(XEN)  Start info:    c078d000->c078e000
(XEN)  Boot stack:    c078e000->c078f000
(XEN)  TOTAL:         c0000000->c0c00000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Scrubbing DOM0 RAM: ..done.
(XEN) Initrd len 0x1fd600, start at 0xc056b000
(XEN) Scrubbing Free RAM: .......done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen).
(XEN) PCI: Found IRQ 11 for device 00:0d.0
(XEN) PCI: Found IRQ 9 for device 00:07.2
(XEN) PCI: Sharing IRQ 9 with 00:0c.0

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