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Re: [Xen-devel] Remus stopped with full protection


  • To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, brendan@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: 张铭嘉 <zhangninja@xxxxxxxxx>
  • Date: Sun, 24 Jan 2010 12:39:49 +0800
  • Cc:
  • Delivery-date: Sat, 23 Jan 2010 20:40:39 -0800
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Thank you very much for your reply.

I create hvm using spicified remus configuration file(add 'tap:remus'):

[root@server1 img]# xm list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  2046     8     r-----   1505.3
Rhel5-hvm1                                   2   512     1     ------     28.2

The state of HVM first appears as 'r',then after a while it turns into 'no status' like above.Since Remus claims that it will will block writes to disk until I start the remus script, so I guess this is the normal condition.(I tested the image with common operation like 'xm create' without using "tap:remus"  and logging in with vnc. it is ok)

Following is the contents of xend.log since I create a HVM and run remus script. it seems that there is no infor about running '#remus myvm backuphost' but only infor on creating hvm. 

I notice that there is an error "AttributeError: 'NoneType' object has no attribute 'memory_sharing'" at line 2483. I don't know whether it is the reason that causes remus failed. Maybe I should fix this problem first.

Brendan has posted "HVM live migration error, probably related to 20691:054042ba73b6 " on 21, Jan. The problem is much like that I encountered, yet the version of my xen-unstable is 20550. 

xend.log
2460 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:234) XendDomainInfo.restore(['domain', ['domid', '2'], ['cpu_weight', '256'], ['cpu_cap', '0'], ['on_crash', 'restart'] , ['uuid', '16f79681-fc24-24f8-b338-0da5dbb2e298'], ['bootloader_args'], ['vcpus', '     1'], ['name', 'Rhel5-hvm1'], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'], [     'cpus', [[]]], ['description'], ['bootloader'], ['maxmem', '512'], ['memory', '512']     , ['shadow_memory', '5'], ['features'], ['on_xend_start', 'ignore'], ['on_xend_stop'     , 'ignore'], ['start_time', '1264125126.21'], ['cpu_time', '28.154313158'], ['online     _vcpus', '1'], ['image', ['hvm', ['kernel'], ['superpages', '0'], ['tsc_mode', '0'],      ['videoram', '4'], ['hpet', '0'], ['stdvga', '0'], ['vnclisten', '0.0.0.0'], ['load     er', '/usr/lib/xen/boot/hvmloader'], ['serial', 'pty'], ['vncunused', '1'], ['xen_pl     atform_pci', '1'], ['opengl', '1'], ['boot', 'c'], ['rtc_timeoffset', '0'], ['pci',      []], ['pae', '1'], ['vpt_align', '1'], ['hap', '1'], ['viridian', '0'], ['acpi', '1'     ], ['localtime', '0'], ['timer_mode', '1'], ['vnc', '1'], ['nographic', '0'], ['gues     t_os_type', 'default'], ['vncdisplay', '2'], ['pci_msitranslate', '1'], ['oos', '1']     , ['apic', '1'], ['sdl', '0'], ['nomigrate', '0'], ['monitor', '1'], ['device_model'     , '/usr/lib/xen/bin/qemu-dm'], ['pci_power_mgmt', '0'], ['usb', '0'], ['xauthority',      '/root/.Xauthority'], ['isa', '0'], ['display', 'localhost:11.0'], 
['notes', ['SUSP     END_CANCEL', '1']]]], ['status', '2'], ['state', '------'], ['store_mfn', '1044476']     , ['device', ['vif', ['mac', 
'00:1c:3e:17:22:13'], ['script', '/etc/xen/scripts/vif-     bridge'], ['type', 'ioemu'], ['uuid', 'c73b15f1-c6d8-4bf3-8153-73c951b7381c'], ['bac     kend', '0']]], ['device', ['vfb', ['vncunused', '1'], ['vnc', '1'], ['uuid', 'bc4db1     5b-1057-31ec-9f30-de6f1c3d8a75'], ['vnclisten', '0.0.0.0'], ['vncdisplay', '2'], ['l     ocation', '0.0.0.0:5902']]], ['device', ['console', ['protocol', 'vt100'], ['locatio     n', '3'], ['uuid', '672e5b39-38ea-68af-1dcd-0304fe286476']]], ['device', ['tap2', ['     protocol', 'x86_32-abi'], ['uuid', '640b4fd4-c6fa-8851-5e48-26d29df33e0e'], ['bootab     le', '1'], ['dev', 'hda:disk'], ['uname', 'tap:remus:server2:9000|aio:/dev/vgxen/hvm     snap'], ['mode', 'w'], ['backend', '0'], ['VDI']]]])
2461 [2010-01-22 08:59:34 5217] WARNING (XendConfig:873) Unconverted key: Description
2462 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:2450) XendDomainInfo.constructDomai     n
2463 [2010-01-22 08:59:34 5217] DEBUG (balloon:220) Balloon: 1745776 KiB free; need 4096;      done.
2464 [2010-01-22 08:59:34 5217] DEBUG (XendDomain:464) Adding Domain: 9
2465 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:3341) Storing VM details: {'on_xend     _stop': 'ignore', 'shadow_memory': '5', 'uuid': '16f79681-fc24-24f8-b338-0da5dbb2e29     8', 'on_reboot': 'restart', 'start_time': '1264125126.21', 'on_poweroff': 'destroy',      'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/rest     art_count': '0', 'vcpus': '1', 'vcpu_avail': '1', 'bootloader': '', 'image': '(hvm (     kernel ) (superpages 0) (tsc_mode 0) (videoram 4) (hpet 0) (stdvga 0) (vnclisten 0.0     .0.0) (loader /usr/lib/xen/boot/hvmloader) (serial pty) (vncunused 1) (xen_platform_  pci 1) (opengl 1) (boot c) (rtc_timeoffset 0) (pci ()) (pae 1) (vpt_align 1) (hap 1)      (viridian 0) (acpi 1) (localtime 0) (timer_mode 1) (vnc 1) (nographic 0) (guest_os_     type default) (vncdisplay 2) (pci_msitranslate 1) (oos 1) (apic 1) (sdl 0) (nomigrat     e 0) (monitor 1) (device_model /usr/lib/xen/bin/qemu-dm) (pci_power_mgmt 0) (usb 0)      (xauthority /root/.Xauthority) (isa 0) (display localhost:11.0) (notes (SUSPEND_CANC     EL 1)))', 
'name': 'Rhel5-hvm1'}
2466 [2010-01-22 08:59:34 5217] INFO (XendDomainInfo:2313) createDevice: vfb : {'vncunuse     d': '1', 'other_config': {'vncunused': '1', 'vnclisten': 
'0.0.0.0', 'vnc': '1', 'vnc     display': '2'}, 'vnc': '1', 'uuid': 'bc4db15b-1057-31ec-9f30-de6f1c3d8a75', 'vnclist     en': '0.0.0.0', 'vncdisplay': '2', 
'location': '0.0.0.0:5902'}
2467 [2010-01-22 08:59:34 5217] DEBUG (DevController:95) DevController: writing {'state':      '1', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vfb/9/0'} to /local/dom     ain/9/device/vfb/0.
2468 [2010-01-22 08:59:34 5217] DEBUG (DevController:97) DevController: writing {'vncunus     ed': '1', 'domain': 'Rhel5-hvm1', 'vnc': '1', 'uuid': 
'bc4db15b-1057-31ec-9f30-de6f1     c3d8a75', 'frontend-id': '9', 'vnclisten': '0.0.0.0', 'vncdisplay': '2', 'state': '1     ', 'location': '0.0.0.0:5902', 
'online': '1', 'frontend': '/local/domain/9/device/vf     b/0'} to /local/domain/0/backend/vfb/9/0.2469 [2010-01-22 08:59:34 5217] INFO (XendDomainInfo:2313) 
createDevice: console : {'prot     ocol': 'vt100', 'location': '3', 'uuid': '672e5b39-38ea-68af-1dcd-0304fe286476'}2470 [2010-01-22 08:59:34 5217] DEBUG 
(DevController:95) DevController: writing {'state':      '1', 'backend-id': '0', 'backend': '/local/domain/0/backend/console/9/0'} to /local     
/domain/9/device/console/0.2471 [2010-01-22 08:59:34 5217] DEBUG (DevController:97) DevController: writing {'domain'     : 'Rhel5-hvm1', 'frontend': 
'/local/domain/9/device/console/0', 'uuid': '672e5b39-38     ea-68af-1dcd-0304fe286476', 'frontend-id': '9', 'state': '1', 'location': '3', 'onli     ne': 
'1', 'protocol': 'vt100'} to /local/domain/0/backend/console/9/0.2472 [2010-01-22 08:59:34 5217] INFO (XendDomainInfo:2313) createDevice: tap2 : {'protoco    
 l': 'x86_32-abi', 'uuid': '640b4fd4-c6fa-8851-5e48-26d29df33e0e', 'bootable': 1, 'de     v': 'hda:disk', 'uname': 
'tap:remus:server2:9000|aio:/dev/vgxen/hvmsnap', 'mode': 'w     ', 'backend': '0'}
2469 [2010-01-22 08:59:34 5217] INFO (XendDomainInfo:2313) createDevice: console : {'prot     ocol': 'vt100', 'location': '3', 'uuid': '672e5b39-38ea-68af-
1dcd-0304fe286476'}
2470 [2010-01-22 08:59:34 5217] DEBUG (DevController:95) DevController: writing {'state':      '1', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/console/9/0'} to /local     /domain/9/device/console/0.
2471 [2010-01-22 08:59:34 5217] DEBUG (DevController:97) DevController: writing {'domain'     : 'Rhel5-hvm1', 'frontend': '/local/domain/9/device/console/0', 
'uuid': '672e5b39-38     ea-68af-1dcd-0304fe286476', 'frontend-id': '9', 'state': '1', 'location': '3', 'onli     ne': '1', 'protocol': 'vt100'} to 
/local/domain/0/backend/console/9/0.
2472 [2010-01-22 08:59:34 5217] INFO (XendDomainInfo:2313) createDevice: tap2 : {'protoco     l': 'x86_32-abi', 'uuid': '640b4fd4-c6fa-8851-5e48-
26d29df33e0e', 'bootable': 1, 'de     v': 'hda:disk', 'uname': 'tap:remus:server2:9000|aio:/dev/vgxen/hvmsnap', 'mode': 'w     ', 'backend': '0'}
2473 [2010-01-22 08:59:34 5217] ERROR (XendDomainInfo:501) VM resume failed
2474 Traceback (most recent call last):
2475   File "usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 497, in re     sume
2476     self._createDevices()
2477   File "usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 2316, in _     createDevices
2478     devid = self._createDevice(devclass, config)
2479   File "usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 2282, in _     createDevice
2480     return self.getDeviceController(deviceClass).createDevice(devConfig)
2481   File "usr/lib/python2.4/site-packages/xen/xend/server/BlktapController.py", line 2     01, in createDevice
2482     if self.vm.image.memory_sharing:
2483 AttributeError: 'NoneType' object has no attribute 'memory_sharing'
2484 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:2994) XendDomainInfo.destroy: domid     =9
2485 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:2358) No device model
2486 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:2360) Releasing devices
2487 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:2366) Removing vfb/0
2488 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:1237) XendDomainInfo.destroyDevice:      deviceClass = vfb, device = vfb/0
2489 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:2366) Removing console/0
2490 [2010-01-22 08:59:34 5217] DEBUG (XendDomainInfo:1237) XendDomainInfo.destroyDevice:      deviceClass = console, device = console/0
2491 [2010-01-22 08:59:34 5217] ERROR (XendDomain:1181) Restore failed
2492 Traceback (most recent call last):
2493   File "usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 1159, in domai     n_restore_fd
2494     dominfo = XendCheckpoint.restore(self, fd, paused=paused, relocating=relocating)
2495   File "usr/lib/python2.4/site-packages/xen/xend/XendCheckpoint.py", line 227, in re     store
2496     dominfo = xd.restore_(vmconfig)
2497   File "usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line 521, in restor     e_
2498     dominfo = XendDomainInfo.restore(config)
2499   File "usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 238, in re     store
2500     vm.resume()
2501   File "usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 497, in re     sume
2502     self._createDevices()
2503   File "usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 2316, in _     createDevices
2504     devid = self._createDevice(devclass, config)
2505   File "usr/lib/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 2282, in _     createDevice
2506     return self.getDeviceController(deviceClass).createDevice(devConfig)
2507   File "usr/lib/python2.4/site-packages/xen/xend/server/BlktapController.py", line 2     01, in createDevice
2508     if self.vm.image.memory_sharing:
2509 AttributeError: 'NoneType' object has no attribute 'memory_sharing'
2510 [2010-01-22 09:02:34 5217] WARNING (XendConfig:873) Unconverted key: Description
2511 [2010-01-22 09:02:34 5217] DEBUG (XendDomainInfo:100) XendDomainInfo.create(['vm', [     'name', 'Rhel5-hvm1'], ['memory', '512'], ['on_xend_start', 
'ignore'], ['on_xend_sto     p', 'ignore'], ['vcpus', 1], ['oos', 1], ['image', ['hvm', ['kernel', '/usr/lib/xen/     boot/hvmloader'], ['videoram', 4], 
['serial', 'pty'], ['monitor', 1], ['acpi', 1], [     'apic', 1], ['boot', 'c'], ['cpuid', []], ['cpuid_check', []], ['device_model', '/us     
r/lib/xen/bin/qemu-dm'], ['display', 'localhost:10.0'], ['fda', ''], ['fdb', ''], ['     guest_os_type', 'default'], ['hap', 1], ['hpet', 0], ['isa', 0], 
['keymap', ''], ['l     ocaltime', 0], ['nographic', 0], ['opengl', 1], ['oos', 1], ['pae', 1], ['pci', []],      ['pci_msitranslate', 1], ['pci_power_mgmt', 
0], ['rtc_timeoffset', 0], ['sdl', 0],      ['soundhw', ''], ['stdvga', 0], ['timer_mode', 1], ['usb', 0], ['usbdevice', ''], ['     vcpus', 1], ['vnc', 1], 
['vncdisplay', 2], ['vnclisten', '0.0.0.0'], ['vncunused', 1     ], ['viridian', 0], ['vpt_align', 1], ['xauthority', '/root/.Xauthority'], ['xen_pla     
tform_pci', 1], ['memory_sharing', 0], ['vncpasswd', 'XXXXXXXX'], ['tsc_mode', 0], [     'nomigrate', 0]]], ['s3_integrity', 1], ['device', ['tap2', 
['uname', 'tap:remus:ser     ver1:9000|aio:/dev/vgxen/hvmsnap'], ['dev', 'hda'], ['mode', 'w']]], ['device', ['vi     f', ['mac', '00:1c:3e:17:22:13'], 

['type', 'ioemu']]]])
2512 [2010-01-22 09:02:34 5217] DEBUG (XendDomainInfo:2450) XendDomainInfo.constructDomai     n 2513 [2010-01-22 09:02:34 5217] DEBUG (balloon:220) Balloon: 

1745776 KiB free; need 4096;      done.
2514 [2010-01-22 09:02:34 5217] DEBUG (XendDomain:464) Adding Domain: 102515 [2010-01-22 09:02:34 5217] DEBUG (XendDomainInfo:2759) 

XendDomainInfo.initDomain: 10      256
2516 [2010-01-22 09:02:34 5217] DEBUG (image:339) No VNC passwd configured for vfb access
2517 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: boot, val: c 
2518 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: fda, val: None
2519 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: fdb, val: None
2520 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: soundhw, val: None
2521 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: localtime, val: 0
2522 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: serial, val: ['pty']
2523 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: std-vga, val: 0
2524 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: isa, val: 0
2525 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: acpi, val: 1
2526 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: usb, val: 0
2527 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: usbdevice, val: None
2528 [2010-01-22 09:02:34 5217] DEBUG (image:891) args: gfx_passthru, val: None
2529 [2010-01-22 09:02:34 5217] INFO (image:824) Need to create platform device.[domid:10     ]
2530 [2010-01-22 09:02:34 5217] DEBUG (XendDomainInfo:2786) _initDomain:shadow_memory=0x0     , memory_static_max=0x20000000, memory_static_min=0x0.
2531 [2010-01-22 09:02:34 5217] INFO (image:182) buildDomain os=hvm dom=10 vcpus=1
2532 [2010-01-22 09:02:34 5217] DEBUG (image:949) domid          = 10
2533 [2010-01-22 09:02:34 5217] DEBUG (image:950) image          = /usr/lib/xen/boot/hvml     oader
2534 [2010-01-22 09:02:34 5217] DEBUG (image:951) store_evtchn   = 2
2535 [2010-01-22 09:02:34 5217] DEBUG (image:952) memsize        = 512
2536 [2010-01-22 09:02:34 5217] DEBUG (image:953) target         = 512
2537 [2010-01-22 09:02:34 5217] DEBUG (image:954) vcpus          = 1
2538 [2010-01-22 09:02:34 5217] DEBUG (image:955) vcpu_avail     = 1
2539 [2010-01-22 09:02:34 5217] DEBUG (image:956) acpi           = 1
2540 [2010-01-22 09:02:34 5217] DEBUG (image:957) apic           = 1
2541 [2010-01-22 09:02:34 5217] INFO (XendDomainInfo:2313) createDevice: vfb : {'vncunuse     d': 1, 'other_config': {'vncunused': 1, 'vnclisten': '0.0.0.0', 

'vnc': '1', 'vncdisp     lay': 2}, 'vnc': '1', 'uuid': 'ae373736-f85a-e7a3-60aa-30d6f3a68118', 'vnclisten': '     0.0.0.0', 'vncdisplay': 2} 
2542 [2010-01-22 09:02:34 5217] DEBUG (DevController:95) DevController: writing {'state':      '1', 'backend-id': '0', 'backend': 

'/local/domain/0/backend/vfb/10/0'} to /local/do     main/10/device/vfb/0.
2543 [2010-01-22 09:02:34 5217] DEBUG (DevController:97) DevController: writing {'vncunus     ed': '1', 'domain': 'Rhel5-hvm1', 'vnc': '1', 'uuid': 

'ae373736-f85a-e7a3-60aa-30d6f     3a68118', 'frontend-id': '10', 'vnclisten': '0.0.0.0', 'vncdisplay': '2', 'state': '     1', 'online': '1', 'frontend': 

'/local/domain/10/device/vfb/0'} to /local/domain/0/b     ackend/vfb/10/0.
2544 [2010-01-22 09:02:34 5217] INFO (XendDomainInfo:2313) createDevice: tap2 : {'bootabl     e': 1, 'uname': 

'tap:remus:server1:9000|aio:/dev/vgxen/hvmsnap', 'mode': 'w', 'dev':      'hda', 'uuid': 'b5fd6bdd-ab5d-1f8b-7142-e45656cfaea0'} 
2545 [2010-01-22 09:02:34 5217] DEBUG (DevController:95) DevController: writing {'backend     -id': '0', 'virtual-device': '768', 'device-type': 'disk', 

'state': '1', 'backend':      '/local/domain/0/backend/vbd/10/768'} to /local/domain/10/device/vbd/768.
2546 [2010-01-22 09:02:34 5217] DEBUG (DevController:97) DevController: writing {'domain'     : 'Rhel5-hvm1', 'frontend': '/local/domain/10/device/vbd/768', 

'uuid': 'b5fd6bdd-ab5     d-1f8b-7142-e45656cfaea0', 'bootable': '1', 'dev': 'hda', 'state': '1', 'params': '/     dev/xen/blktap-2/tapdev0', 'mode': 'w', 

'online': '1', 'frontend-id': '10', 'type':      'phy', 'tapdisk-params': 'remus:server1:9000|aio:/dev/vgxen/hvmsnap'} to /local/doma     

in/0/backend/vbd/10/768.
2547 [2010-01-22 09:02:34 5217] INFO (XendDomainInfo:2313) createDevice: vif : {'mac': '0     0:1c:3e:17:22:13', 'type': 'ioemu', 'uuid': '3dbaa2b3-97d7-

cc9d-51e7-09bcf7c5fc4b'}
2548 [2010-01-22 09:02:34 5217] DEBUG (DevController:95) DevController: writing {'state':      '1', 'backend-id': '0', 'backend': 

'/local/domain/0/backend/vif/10/0'} to /local/do     main/10/device/vif/0.
2549 [2010-01-22 09:02:34 5217] DEBUG (DevController:97) DevController: writing {'domain'     : 'Rhel5-hvm1', 'frontend': '/local/domain/10/device/vif/0', 

'uuid': '3dbaa2b3-97d7-     cc9d-51e7-09bcf7c5fc4b', 'script': '/etc/xen/scripts/vif-bridge', 'mac': '00:1c:3e:1     7:22:13', 'frontend-id': '10', 'state': 

'1', 'online': '1', 'handle': '0', 'type': '     ioemu'} to /local/domain/0/backend/vif/10/0.
2550 [2010-01-22 09:02:34 5217] INFO (image:420) spawning device models: /usr/lib/xen/bin     /qemu-dm ['/usr/lib/xen/bin/qemu-dm', '-d', '10', '-domain-

name', 'Rhel5-hvm1', '-vi     deoram', '4', '-vnc', '0.0.0.0:2', '-vncunused', '-monitor', 'vc', '-vcpus', '1', '-     boot', 'c', '-serial', 'pty', '-acpi', 

'-net', 'nic,vlan=1,macaddr=00:1c:3e:17:22:13     ,model=rtl8139', '-net', 'tap,vlan=1,ifname=tap10.0,bridge=xenbr0', '-M', 'xenfv']
2551 [2010-01-22 09:02:34 5217] INFO (image:469) device model pid: 7322
2552 [2010-01-22 09:02:34 5217] INFO (image:592) waiting for sentinel_fifo
2553 [2010-01-22 09:02:34 5217] DEBUG (XendDomainInfo:3341) Storing VM details: {'on_xend     _stop': 'ignore', 'shadow_memory': '5', 'uuid': 'fcc2e15d-ee63

-dbf1-118a-9c3f1e2865e     6', 'on_reboot': 'restart', 'start_time': '1264122154.95', 'on_poweroff': 'destroy',      'bootloader_args': '', 'on_xend_start': 

'ignore', 'on_crash': 'restart', 'xend/rest     art_count': '0', 'vcpus': '1', 'vcpu_avail': '1', 'bootloader': '', 'image': '(hvm (     kernel ) (superpages 

0) (tsc_mode 0) (videoram 4) (hpet 0) (stdvga 0) (vnclisten 0.0     .0.0) (loader /usr/lib/xen/boot/hvmloader) (serial pty) (vncunused 1) (xen_platform_     

pci 1) (opengl 1) (boot c) (rtc_timeoffset 0) (pci ()) (pae 1) (vpt_align 1) (hap 1)      (viridian 0) (acpi 1) (localtime 0) (timer_mode 1) (vnc 1) 

(nographic 0) (guest_os_     type default) (vncdisplay 2) (pci_msitranslate 1) (oos 1) (apic 1) (sdl 0) (nomigrat     e 0) (monitor 1) (device_model 

/usr/lib/xen/bin/qemu-dm) (pci_power_mgmt 0) (usb 0)      (xauthority /root/.Xauthority) (isa 0) (display localhost:10.0) (notes (SUSPEND_CANC     EL 1)))', 

'name': 'Rhel5-hvm1'}
2554 [2010-01-22 09:02:34 5217] DEBUG (XendDomainInfo:1750) Storing domain details: {'con     sole/port': '3', 'description': '', 'console/limit': '1048576', 

'store/port': '2', '     vm': '/vm/fcc2e15d-ee63-dbf1-118a-9c3f1e2865e6', 'domid': '10', 'image/suspend-cance     l': '1', 'cpu/0/availability': 'online', 

'memory/target': '524288', 'control/platfor     m-feature-multiprocessor-suspend': '1', 'store/ring-ref': '1044476', 'console/type':      'ioemu', 'name': 

'Rhel5-hvm1'}
2555 [2010-01-22 09:02:35 5217] DEBUG (DevController:95) DevController: writing {'state':      '1', 'backend-id': '0', 'backend': 

'/local/domain/0/backend/console/10/0'} to /loca     l/domain/10/device/console/0.
2556 [2010-01-22 09:02:35 5217] DEBUG (DevController:97) DevController: writing {'domain'     : 'Rhel5-hvm1', 'frontend': 

'/local/domain/10/device/console/0', 'uuid': '237d70b3-1     10a-09e0-0aa5-96b986d1714f', 'frontend-id': '10', 'state': '1', 'location': '3', 'on     line': 

'1', 'protocol': 'vt100'} to /local/domain/0/backend/console/10/0.
2557 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vif2.
2558 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vif.
2559 [2010-01-22 09:02:35 5217] DEBUG (DevController:144) Waiting for 0.
2560 [2010-01-22 09:02:35 5217] DEBUG (XendDomainInfo:1837) XendDomainInfo.handleShutdown     Watch
2561 [2010-01-22 09:02:35 5217] DEBUG (DevController:628) hotplugStatusCallback /local/do     main/0/backend/vif/10/0/hotplug-status.
2562 [2010-01-22 09:02:35 5217] DEBUG (DevController:628) hotplugStatusCallback /local/do     main/0/backend/vif/10/0/hotplug-status.
2563 [2010-01-22 09:02:35 5217] DEBUG (DevController:642) hotplugStatusCallback 1.
2564 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vscsi.
2565 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vbd.
2566 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices ioports.
2567 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices irq.
2568 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vkbd.
2569 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vfb.
2570 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices console.
2571 [2010-01-22 09:02:35 5217] DEBUG (DevController:144) Waiting for 0.
2572 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices pci.
2573 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices tap2.
2574 [2010-01-22 09:02:35 5217] DEBUG (DevController:144) Waiting for 768.
2575 [2010-01-22 09:02:35 5217] DEBUG (DevController:628) hotplugStatusCallback /local/do     main/0/backend/vbd/10/768/hotplug-status.
2576 [2010-01-22 09:02:35 5217] DEBUG (DevController:642) hotplugStatusCallback 1.
2577 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices tap.
2578 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vusb.
2579 [2010-01-22 09:02:35 5217] DEBUG (DevController:139) Waiting for devices vtpm.
2580 [2010-01-22 09:02:35 5217] INFO (XendDomain:1206) Domain Rhel5-hvm1 (10) unpaused.


2010/1/21 Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
On 19/01/2010 07:57, "张铭嘉" <zhangninja@xxxxxxxxx> wrote:

> Saving memory pages: iter 1   0%ERROR Internal error: Error when writing to
> state file
> (4a) (errno 104)
> Save exit rc=1
> qemu logdirty mode: disable
> then the program stops.
>
> The error is located at line1361 xc_domain_save.c. The errno 104 standard for
> "connection reset by peers".
> I'm not sure whether there there are some mistake about the network socket.
>
> I've been stunked by this for two weeks. Do I miss something or could anybody
> tell what I should do next.

Are here any errors in /var/log/xen/xend.log on either host?

 -- Keir





--
--
Best Regards

Minjia Zhang

Huazhong University of Science and Technology

Room 328,Dong 8 Building 8, No.1037 Luoyu Road, Wuhan 430074, P.R.C.

Tel: +86-159-2625-3437

Email:zhangninja@xxxxxxxxx
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