Hi there, my problem got solved. It's due to that there is no free space in my
dom0 disk. The xen do show this hint,but i ignore them and rush around to find
out if there is config mistake. so stupid.
Anyway, after i found the reason, i make room for dom0 disk by delete some big
files. but it still failed to start xend daemon. finally I find the some posts
like this one
http://forums.novell.com/novell-product-support-forums/suse-linux-enterprise-server-sles/sles-virtualization/343286-unable-connect-xend.html
and this one:
http://lists.xensource.com/archives/html/xen-users/2007-10/msg00799.html
According to those post i just delete all the stuff in the directory
/var/lib/xend and /var/lib/xenstored and /var/run/xen*.pid and kill the
xenstored process. And at last reboot the server. Now everything is ok. great!
Sorry to bother you.
Regards
John Wang
2010-01-24
-------------------------------------------------------------
From: John Wang
Date: 2010-01-24 16:59:43
To: xen-users
Cc:
Subject: Why domU not start automatically after server reboot
Hello there,
I have new installed a debian lenny server(intel Xeon E5504, 4 cores) with
xen(3.2-1) vms . A problem is when I reboot the serve(with domU status is
"-b----"), the domU will not get started automatically after the server
booted. But i can start those domUs by using the command "xm create
myDomU1.cfg" in the shell prompt with on error.
The domu can restart automatically orginially. But when i change some
configuration, it now failed to restart. unfortunatelly i dont know which
settings cause the problem.
I check the xend.log and found some error message(see below).
Anyone can help ?
The following information may help you to figure out the problem:
My configured domUs(I start them manually) :
######## Begin running domUs ########
svr1:/etc/xen# xm list
Name ID Mem VCPUs State Time(s)
Domain-0 0 349 1 r----- 18.0
j1xen 3 768 3 -b---- 5.9
j2xen 4 512 3 -b---- 5.1
j3xen 5 384 3 -b---- 6.2
######## End running domUs ########
########Begin /var/log/xen/xend.log ########
[2010-01-24 14:54:24 2517] INFO (SrvDaemon:331) Xend Daemon started
[2010-01-24 14:54:24 2517] INFO (SrvDaemon:335) Xend changeset: unavailable.
[2010-01-24 14:54:24 2517] INFO (SrvDaemon:342) Xend version: Unknown.
[2010-01-24 14:54:24 2517] INFO (XendNetwork:114) Not recreating missing
unmanaged network eth0
[2010-01-24 14:54:24 2517] INFO (XendDomainInfo:149) Recreating domain 0, UUID
00000000-0000-0000-0000-00000000
0000. at /local/domain/0
[2010-01-24 14:54:24 2517] INFO (XendDomainInfo:1174) Set VCPU count on domain
Domain-0 to 1
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VBD.set_device not
found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VBD.set_type not
found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call:
session.get_all_records not found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: event.get_record not
found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: event.get_all not
found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VM.get_auto_power_on
not found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VM.set_auto_power_on
not found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VIF.get_network not
found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VIF.set_device not
found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VIF.set_MAC not found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: VIF.set_MTU not found
[2010-01-24 14:54:24 2517] WARNING (XendAPI:678) API call: debug.get_all not
found
[2010-01-24 14:54:24 2517] INFO (XMLRPCServer:149) Opening Unix domain socket
XML-RPC server on /var/run/xend/x
en-api.sock; authentication has been disabled for this server.
[2010-01-24 14:54:24 2517] INFO (XMLRPCServer:149) Opening Unix domain socket
XML-RPC server on /var/run/xend/x
mlrpc.sock.
[2010-01-24 14:54:25 2517] INFO (XendDomainInfo:1514) createDevice: console :
{'protocol': 'vt100', 'location':
'2', 'uuid': '76211aa8-4c9f-1c79-ef47-e4419e2b85f2'}
[2010-01-24 14:54:25 2517] INFO (XendDomainInfo:1514) createDevice: vbd :
{'uuid': 'cf6c6f7d-bfd5-02e1-defe-59f
b4ff35274', 'bootable': 1, 'driver': 'paravirtualised', 'dev': 'xvda1:disk',
'uname': 'phy:/dev/wjqVG1/j1xen-sw
ap', 'mode': 'w', 'backend': '0'}
[2010-01-24 14:54:25 2517] INFO (XendDomainInfo:1514) createDevice: vbd :
{'uuid': '5622b865-d735-4aaf-bcc6-567
2cfa70b13', 'bootable': 0, 'driver': 'paravirtualised', 'dev': 'xvda2:disk',
'uname': 'phy:/dev/wjqVG1/j1xen-di
sk', 'mode': 'w', 'backend': '0'}
[2010-01-24 14:54:25 2517] INFO (XendDomainInfo:1514) createDevice: vif :
{'ip': '10.0.0.1', 'mac': '00:16:3E:1
3:5A:D1', 'script': 'vif-nat', 'uuid': '127bdc08-4b3c-e61b-88d2-d8fc12a46bfe',
'backend': '0'}
[2010-01-24 14:54:26 2517] INFO (XendCheckpoint:373) xc_domain_restore start:
p2m_size = 30800
[2010-01-24 14:54:26 2517] INFO (XendCheckpoint:373) Reloading memory pages:
0%
[2010-01-24 14:54:28 2517] INFO (XendCheckpoint:373) ERROR Internal error:
Error when reading page (type was 0)
[2010-01-24 14:54:28 2517] INFO (XendCheckpoint:373) Restore exit with rc=1
[2010-01-24 14:54:28 2517] ERROR (XendDomainInfo:1926) XendDomainInfo.destroy:
xc.domain_destroy failed.
Traceback (most recent call last):
File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomainInfo.py", line 1921,
in destroyDomain
xc.domain_destroy(self.domid)
Error: (3, 'No such process')
[2010-01-24 14:54:28 2517] ERROR (XendDomain:1136) Restore failed
Traceback (most recent call last):
File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendDomain.py", line 1134, in
domain_restore_fd
return XendCheckpoint.restore(self, fd, paused=paused)
File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendCheckpoint.py", line 239, in
restore
forkHelper(cmd, fd, handler.handler, True)
File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendCheckpoint.py", line 361, in
forkHelper
raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib/xen-3.2-1/bin/xc_restore 4 1 1 2 0 0 0 failed
######## End /var/log/xen/xend.log ########
The following is my environment:
#### Begin Server environment ############
svr1:/etc/xen# xm dmesg
(XEN) Xen version 3.2-1 (Debian 3.2.1-2) (waldi@xxxxxxxxxx) (gcc version 4.3.1
(Debian 4.3.1-2) ) Sat Jun 28 15:25:00 UTC 2008
(XEN) Command line: dom0_max_vcpus=1 & dom0_vcpus_pin
(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 2 MBR signatures
(XEN) Found 2 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN) 0000000000000000 - 000000000009ec00 (usable)
(XEN) 000000000009ec00 - 00000000000a0000 (reserved)
(XEN) 00000000000e4000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 000000007f780000 (usable)
(XEN) 000000007f78e000 - 000000007f790000 type 9
(XEN) 000000007f790000 - 000000007f79e000 (ACPI data)
(XEN) 000000007f79e000 - 000000007f7d0000 (ACPI NVS)
(XEN) 000000007f7d0000 - 000000007f7e0000 (reserved)
(XEN) 000000007f7ec000 - 0000000080000000 (reserved)
(XEN) 00000000e0000000 - 00000000f0000000 (reserved)
(XEN) 00000000fee00000 - 00000000fee01000 (reserved)
(XEN) 00000000ffe00000 - 0000000100000000 (reserved)
(XEN) System RAM: 2039MB (2088056kB)
(XEN) Xen heap: 9MB (10084kB)
(XEN) Domain heap initialised: DMA width 32 bits
(XEN) PAE enabled, limit: 16 GB
(XEN) Processor #16 7:10 APIC version 21
(XEN) Processor #18 7:10 APIC version 21
(XEN) Processor #20 7:10 APIC version 21
(XEN) Processor #22 7:10 APIC version 21
(XEN) IOAPIC[0]: apic_id 23, version 32, address 0xfec00000, GSI 0-23
(XEN) IOAPIC[1]: apic_id 24, version 32, address 0xfec8a000, GSI 24-47
(XEN) Enabling APIC mode: Flat. Using 2 I/O APICs
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2000.143 MHz processor.
(XEN) , L1 D cache: 32K
(XEN) HVM: VMX enabled
(XEN) CPU0: Intel(R) Xeon(R) CPU E5504 @ 2.00GHz stepping 05
(XEN) Booting processor 1/18 eip 8c000
(XEN) , L1 D cache: 32K
(XEN) CPU1: Intel(R) Xeon(R) CPU E5504 @ 2.00GHz stepping 05
(XEN) Booting processor 2/20 eip 8c000
(XEN) , L1 D cache: 32K
(XEN) CPU2: Intel(R) Xeon(R) CPU E5504 @ 2.00GHz stepping 05
(XEN) Booting processor 3/22 eip 8c000
(XEN) , L1 D cache: 32K
(XEN) CPU3: Intel(R) Xeon(R) CPU E5504 @ 2.00GHz stepping 05
(XEN) Total of 4 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) Platform timer overflows in 14998 jiffies.
(XEN) Platform timer is 14.318MHz HPET
(XEN) Brought up 4 CPUs
(XEN) xenoprof: Initialization failed. Intel processor model 26 for P6 class
family is not supported
(XEN) AMD IOMMU: Disabled
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen kernel: 32-bit, PAE, lsb
(XEN) Dom0 kernel: 32-bit, PAE, lsb, paddr 0x100000 -> 0x42e000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 000000003c000000->000000003e000000 (475060 pages to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: c0100000->c042e000
(XEN) Init. ramdisk: c042e000->c1479c00
(XEN) Phys-Mach map: c147a000->c1651ed0
(XEN) Start info: c1652000->c1652474
(XEN) Page tables: c1653000->c1664000
(XEN) Boot stack: c1664000->c1665000
(XEN) TOTAL: c0000000->c1800000
(XEN) ENTRY ADDRESS: c0100000
(XEN) Dom0 has maximum 1 VCPUs
(XEN) Initrd len 0x104bc00, start at 0xc042e000
(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 relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to
Xen)
(XEN) Freed 96kB init memory.
#### End Server environment ############
Regards
John Wang
2010-01-24
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