RE: [Xen-users] Lvm-based domUs keep crashing... limited to 2 domU

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> john maclean
> Sent: 19 June 2007 12:06
> To: Xen Users
> Subject: [Xen-users] Lvm-based domUs keep crashing... limited 
> to 2 domU
> 
> Chaps,
> 
> Xen 3.1.0 running on Debian Lenny quite well. A self build using lvm2
> for the xen instances. On Sunday I had six running OK. Now When I
> start the third domain it wants to start but crashes.
> 
> Here follows an extract of /var/log/xen/xend.log. I hope that some one
> out there can help me to diagnose and fix what's going on... Note the
> line "VM is already running" - it's not unless xm list is not finding
> the domains.

That error message is supposed to be used when there are two domains
with the same name, which in this case is 'blag50k'. 

--
Mats
> 
> [2007-06-19 10:49:47 5915] DEBUG (__init__:1072)
> XendDomainInfo.destroyDomain(10)
> [2007-06-19 10:49:47 5915] DEBUG (__init__:1072)
> XendDomainInfo.create_from_dict({'vcpus_params': {}, 'PV_args':
> 'root=/dev/sda1 ro ip=:1.2.3.4:::blag50k:eth0:dhcp 4', 'features': '',
> 'cpus': [], 'paused': 0, 'domid': 10, 'shutdown': 0, 'VCPUs_live': 1,
> 'PV_bootloader': '', 'actions_after_crash': 'restart', 'vbd_refs':
> ['5eb56f79-0dc8-6b38-efea-0b68f6eabc22',
> '13006cbd-9d34-017b-2118-7fa42797ffd7'], 'PV_ramdisk': '',
> 'is_control_domain': False, 'name_label': 'blag50k',
> 'VCPUs_at_startup': 1, 'HVM_boot_params': {}, 'platform':
> {'rtc_timeoffset': '0'}, 'cpu_weight': 256, 'console_refs':
> ['bc6ba6c2-caab-175d-19ef-19f03be6242a'], 'online_vcpus': 1,
> 'cpu_cap': 0, 'blocked': 0, 'on_xend_stop': 'ignore',
> 'memory_static_min': 0, 'HVM_boot_policy': '', 'shutdown_reason': 3,
> 'VCPUs_max': 1, 'start_time': 1182246570.029721, 'memory_static_max':
> 33554432, 'actions_after_shutdown': 'destroy', 'on_xend_start':
> 'ignore', 'crashed': 1, 'memory_dynamic_max': 33554432,
> 'actions_after_suspend': '', 'is_a_template': False,
> 'PV_bootloader_args': '', 'memory_dynamic_min': 33554432, 'uuid':
> '55a8dec9-df56-89f9-7d3e-fe3898926f45', 'PV_kernel':
> '/boot/vmlinuz-2.6.18-xen', 'cpu_time': 0.382074786, 'shadow_memory':
> 0, 'dying': 1, 'vcpu_avail': 1, 'notes': {'HV_START_LOW':
> '4118806528', 'FEATURES':
> 'writable_page_tables|writable_descriptor_tables|auto_translat
> ed_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel',
> 'VIRT_BASE': '3221225472', 'GUEST_VERSION': '2.6', 'PADDR_OFFSET':
> '3221225472', 'GUEST_OS': 'linux', 'HYPERCALL_PAGE': '3238006784',
> 'LOADER': 'generic', 'SUSPEND_CANCEL': '1', 'PAE_MODE': 'yes',
> 'ENTRY': '3238002688', 'XEN_VERSION': 'xen-3.0'}, 'other_config': {},
> 'running': 0, 'actions_after_reboot': 'restart', 'vif_refs':
> ['377bfe0b-f6f8-a70a-2435-7e433b9f5d3f'], 'vtpm_refs': [], 'security':
> None, 'devices': {'5eb56f79-0dc8-6b38-efea-0b68f6eabc22': ('vbd',
> {'uuid': '5eb56f79-0dc8-6b38-efea-0b68f6eabc22', 'bootable': 1,
> 'devid': 2049, 'driver': 'paravirtualised', 'dev': 'sda1', 'uname':
> 'phy:/dev/acidlvm/blag50k', 'mode': 'w'}),
> '377bfe0b-f6f8-a70a-2435-7e433b9f5d3f': ('vif', {'devid': 0, 'uuid':
> '377bfe0b-f6f8-a70a-2435-7e433b9f5d3f'}),
> '13006cbd-9d34-017b-2118-7fa42797ffd7': ('vbd', {'uuid':
> '13006cbd-9d34-017b-2118-7fa42797ffd7', 'bootable': 0, 'devid': 2050,
> 'driver': 'paravirtualised', 'dev': 'sda2', 'uname':
> 'phy:/dev/acidlvm/blag50kswap', 'mode': 'w'}),
> 'bc6ba6c2-caab-175d-19ef-19f03be6242a': ('console', {'other_config':
> {}, 'protocol': 'vt100', 'uuid':
> 'bc6ba6c2-caab-175d-19ef-19f03be6242a', 'location': '2'})}})
> [2007-06-19 10:49:47 5915] ERROR (__init__:1072) Domain 
> construction failed
> Traceback (most recent call last):
>   File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 103, in
> create_from_dict
>     vm.start()
>   File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 
> 420, in start
>     raise XendError('VM already running')
> XendError: VM already running
> [2007-06-19 10:49:47 5915] DEBUG (__init__:1072)
> XendDomainInfo.destroy: domid=10
> [2007-06-19 10:49:47 5915] ERROR (__init__:1072) Failed to 
> restart domain 10.
> Traceback (most recent call last):
>   File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 
> 1216, in _restart
>     new_dom = XendDomain.instance().domain_create_from_dict(
>   File "//usr/lib/python/xen/xend/XendDomain.py", line 932, in
> domain_create_from_dict
>     dominfo = XendDomainInfo.create_from_dict(config_dict)
>   File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 103, in
> create_from_dict
>     vm.start()
>   File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 
> 420, in start
>     raise XendError('VM already running')
> XendError: VM already running
> 
> 
> -- 
> John Maclean  - 07739 171 531
> MSc (DIC)
> 
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> 



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