At 17:24 06/09/2007, Carb, Brian A wrote:
Content-class: urn:content-classes:message
Content-Type: multipart/alternative;
boundary="----_=_NextPart_001_01C7F0A2.55DB0EB0"
keir
I'll try timing this as I load up...
but when I restart my test system, with only dom0 running,
xenstore-ls is already slow before any VMs are started:
time xenstore-ls >/dev/null
real 0m21.725s
user 0m0.010s
sys 0m0.090s
If I save the output from the xenstore-ls, the file has 61,318 lines
with information from all the VMs run yesterday. I conclude that
xenstore does not get cleared on startup. Is there a way to clear it?
It is perfectly fine to remove the xenstore.tdb [filename from
memory] in /var/xen/lib [again, from memory]. Unless of course you
actually NEED some of your old Xenstrore entries for soemthing, but
in general, they are fine to be removed completely.
--
Mats
brian carb
unisys corporation - malvern, pa
----------
From: Keir Fraser
Sent: Wednesday, September 05, 2007 1:11 PM
To: Carb, Brian A; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] VM start time slows with large number of VMs
xenstore slowness seems a reasonable hypothesis. How does
performance of 'time xenstore-ls >/dev/null' change as you increase
the number of guests?
-- Keir
On 4/9/07 17:51, "Carb, Brian A" wrote:
Hello,
We're running Xen Unstable changeset 15468 with SLES10 on a Unisys
ES7000/one 56x cpu and 160GB memory. Xen is built with
NR_DYNIRQS=1024 and max_phys_cpus=64, and booted with dom0_mem=1024
and xenheap_megabytes=64. We have 320 para-virtualized SLES10 VMs on
external storage.
Our script starts a VM, waits for the start to complete, then starts
the next: "for i in *.cfg; do xm create $i; done". As more VMs
start, the time to start each one increases. I've attached a config
file for one of the VMs, as well as a portion of the xend.log which
shows timestamps of the events for 2 VMS, vm002 and vm263.
The total elapsed time of the start from "create" to "unpaused" for
vm002 is 13 seconds, but by the time 262 VMs are started, the start
of vm263 has slowed to 238 seconds. The host itself is not sluggish,
as we can open putty sessions to and interact with dom0. However,
if we run "xm top", its interface is very unresponsive. Could
writing to the xenstore be taking longer and longer? Could there be
possible contention for vmlinuz and initrd since they are being used
by every VM to boot? Would it be better to use bootloader/bootentry
and store the vmlinuz and initrd within each VM?
Any insight would be appreciated.
brian carb
unisys corporation, malvern pa
----- domU config file 002.cfg -----
kernel = "/boot/vmlinuz-xen"
ramdisk = "/boot/initrd-xen"
root = "/dev/sda2 ro"
disk = [ 'phy:/tmp/xendevs/xen002,sda,w' ]
memory = 512
vcpus = 4
name = 'xen002'
vif = [ 'mac=00:16:3e:0d:a0:01' ]
ip = '10.0.27.2'
netmask = '255.254.0.0'
extra = ' xencons=tty1 3'
----- xend.log -----
[2007-09-02 05:26:42 8597] DEBUG (XendDomainInfo:78)
XendDomainInfo.create(['vm', ['name', 'xen002'], ['memory', 512],
['vcpus', 4], ['on_xend_start', 'ignore'], ['on_xend_stop',
'ignore'], ['image', ['linux', ['kernel', '/boot/vmlinuz-xen'],
['ramdisk', '/boot/initrd-xen'], ['ip',
'10.0.27.2:1.2.3.4::255.254.0.0::eth0:off'], ['root', '/dev/sda2
ro'], ['args', ' xencons=tty1 3']]], ['device', ['vbd', ['uname',
'phy:/tmp/xendevs/xen002'], ['dev', 'sda'], ['mode', 'w']]],
['device', ['vif', ['mac', '00:16:3e:0d:a0:01']]]])
[2007-09-02 05:26:42 8597] DEBUG (XendDomainInfo:1418)
XendDomainInfo.constructDomain
[2007-09-02 05:26:42 8597] DEBUG (balloon:114) Balloon: 169819872
KiB free; need 2048; done.
[2007-09-02 05:26:43 8597] DEBUG (XendDomain:434) Adding Domain: 16
[2007-09-02 05:26:43 8597] DEBUG (XendDomainInfo:1472)
XendDomainInfo.initDomain: 16 256
[2007-09-02 05:26:43 8597] DEBUG (XendDomainInfo:1503)
_initDomain:shadow_memory=0x0, memory_static_max=0x20000000,
memory_static_min=0x0.
[2007-09-02 05:26:43 8597] DEBUG (balloon:114) Balloon: 169819864
KiB free; need 524288; done.
[2007-09-02 05:26:43 8597] INFO (image:128) buildDomain os=linux
dom=16 vcpus=4
[2007-09-02 05:26:43 8597] DEBUG (image:197) domid = 16
[2007-09-02 05:26:43 8597] DEBUG (image:198) memsize = 512
[2007-09-02 05:26:43 8597] DEBUG (image:199) image =
/boot/vmlinuz-xen
[2007-09-02 05:26:43 8597] DEBUG (image:200) store_evtchn = 1
[2007-09-02 05:26:43 8597] DEBUG (image:201) console_evtchn = 2
[2007-09-02 05:26:43 8597] DEBUG (image:202) cmdline =
root=/dev/sda2 ro ip=10.0.27.2:1.2.3.4::255.254.0.0::eth0:off xencons=tty1 3
[2007-09-02 05:26:43 8597] DEBUG (image:203) ramdisk = /boot/initrd-xen
[2007-09-02 05:26:43 8597] DEBUG (image:204) vcpus = 4
[2007-09-02 05:26:43 8597] DEBUG (image:205) features =
[2007-09-02 05:26:43 8597] INFO (XendDomainInfo:1321) createDevice:
vbd : {'uuid': '8d79c4ed-4ddc-afee-9725-f5c2d388a02e', 'bootable':
1, 'driver': 'paravirtualised', 'dev': 'sda', 'uname':
'phy:/tmp/xendevs/xen002', 'mode': 'w'}
[2007-09-02 05:26:43 8597] DEBUG (DevController:115) DevController:
writing {'virtual-device': '2048', 'device-type': 'disk',
'protocol': 'x86_64-abi', 'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/vbd/16/2048'} to
/local/domain/16/device/vbd/2048.
[2007-09-02 05:26:43 8597] DEBUG (DevController:117) DevController:
writing {'domain': 'xen002', 'frontend':
'/local/domain/16/device/vbd/2048', 'uuid':
'8d79c4ed-4ddc-afee-9725-f5c2d388a02e', 'dev': 'sda', 'state': '1',
'params': '/tmp/xendevs/xen002', 'mode': 'w', 'online': '1',
'frontend-id': '16', 'type': 'phy'} to /local/domain/0/backend/vbd/16/2048.
[2007-09-02 05:26:44 8597] INFO (XendDomainInfo:1321) createDevice:
vif : {'mac': '00:16:3e:0d:a0:01', 'uuid':
'bb43e84a-a9a1-7488-1ba4-3b713eff82aa'}
[2007-09-02 05:26:45 8597] DEBUG (DevController:115) DevController:
writing {'mac': '00:16:3e:0d:a0:01', 'handle': '0', 'protocol':
'x86_64-abi', 'backend-id': '0', 'state': '1', 'backend':
'/local/domain/0/backend/vif/16/0'} to /local/domain/16/device/vif/0.
[2007-09-02 05:26:45 8597] DEBUG (DevController:117) DevController:
writing {'domain': 'xen002', 'handle': '0', 'uuid':
'bb43e84a-a9a1-7488-1ba4-3b713eff82aa', 'script':
'/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend':
'/local/domain/16/device/vif/0', 'mac': '00:16:3e:0d:a0:01',
'online': '1', 'frontend-id': '16', 'type': 'netfront'} to
/local/domain/0/backend/vif/16/0.
[2007-09-02 05:26:46 8597] DEBUG (XendDomainInfo:1978) Storing VM
details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid':
'f146fdfc-e624-f7cb-4baf-0471f01f6014', 'on_reboot': 'restart',
'start_time': '1188725206.15', 'on_poweroff': 'destroy',
'on_xend_start': 'ignore', 'on_crash': 'restart',
'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15',
'image': "(linux (kernel /boot/vmlinuz-xen) (ramdisk
/boot/initrd-xen) (args 'root=/dev/sda2 ro
ip=10.0.27.2:1.2.3.4::255.254.0.0::eth0:off xencons=tty1 3') (notes
(FEATURES
'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel')
(VIRT_BASE -2147483648) (GUEST_VERSION 2.6) (PADDR_OFFSET
-2147483648) (GUEST_OS linux) (HYPERCALL_PAGE -2145361920) (LOADER
generic) (SUSPEND_CANCEL 1) (ENTRY -2145386496) (XEN_VERSION
xen-3.0)))", 'name': 'xen002'}
[2007-09-02 05:26:46 8597] DEBUG (XendDomainInfo:823) Storing domain
details: {'console/ring-ref': '34194913', 'image/entry':
'-2145386496', 'console/port': '2', 'cpu/3/availability': 'online',
'store/ring-ref': '34194914', 'image/loader': 'generic', 'vm':
'/vm/f146fdfc-e624-f7cb-4baf-0471f01f6014',
'control/platform-feature-multiprocessor-suspend': '1',
'cpu/2/availability': 'online', 'cpu/1/availability': 'online',
'image/features/writable-descriptor-tables': '1', 'image/virt-base':
'-2147483648', 'memory/target': '524288', 'image/guest-version':
'2.6', 'image/features/supervisor-mode-kernel': '1',
'image/guest-os': 'linux', 'console/limit': '1048576',
'image/paddr-offset': '-2147483648', 'image/hypercall-page':
'-2145361920', 'image/suspend-cancel': '1', 'cpu/0/availability':
'online', 'image/features/pae-pgdir-above-4gb': '1',
'image/features/writable-page-tables': '1',
'image/features/auto-translated-physmap': '1', 'name': 'xen002',
'domid': '16', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2007-09-02 05:26:50 8597] DEBUG (DevController:115) DevController:
writing {'protocol': 'x86_64-abi', 'state': '1', 'backend-id': '0',
'backend': '/local/domain/0/backend/console/16/0'} to
/local/domain/16/device/console/0.
[2007-09-02 05:26:50 8597] DEBUG (DevController:117) DevController:
writing {'domain': 'xen002', 'protocol': 'vt100', 'uuid':
'8dc5f3eb-5c78-35e1-7876-17c26fc6ad6e', 'frontend':
'/local/domain/16/device/console/0', 'state': '1', 'location': '2',
'online': '1', 'frontend-id': '16'} to /local/domain/0/backend/console/16/0.
[2007-09-02 05:26:52 8597] DEBUG (DevController:148) Waiting for devices vif.
[2007-09-02 05:26:53 8597] DEBUG (DevController:153) Waiting for 0.
[2007-09-02 05:26:53 8597] DEBUG (XendDomainInfo:823) Storing domain
details: {'console/ring-ref': '34194913', 'image/entry':
'-2145386496', 'console/port': '2', 'cpu/3/availability': 'online',
'store/ring-ref': '34194914', 'image/loader': 'generic', 'vm':
'/vm/f146fdfc-e624-f7cb-4baf-0471f01f6014',
'control/platform-feature-multiprocessor-suspend': '1',
'cpu/2/availability': 'online', 'cpu/1/availability': 'online',
'image/features/writable-descriptor-tables': '1', 'image/virt-base':
'-2147483648', 'memory/target': '524288', 'image/guest-version':
'2.6', 'image/features/supervisor-mode-kernel': '1',
'image/guest-os': 'linux', 'console/limit': '1048576',
'image/paddr-offset': '-2147483648', 'image/hypercall-page':
'-2145361920', 'image/suspend-cancel': '1', 'cpu/0/availability':
'online', 'image/features/pae-pgdir-above-4gb': '1',
'image/features/writable-page-tables': '1',
'image/features/auto-translated-physmap': '1', 'name': 'xen002',
'domid': '16', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2007-09-02 05:26:53 8597] DEBUG (XendDomainInfo:907)
XendDomainInfo.handleShutdownWatch
[2007-09-02 05:26:53 8597] DEBUG (DevController:541)
hotplugStatusCallback /local/domain/0/backend/vif/16/0/hotplug-status.
[2007-09-02 05:26:53 8597] DEBUG (DevController:555) hotplugStatusCallback 1.
[2007-09-02 05:26:54 8597] DEBUG (DevController:148) Waiting for devices usb.
[2007-09-02 05:26:54 8597] DEBUG (DevController:148) Waiting for devices vbd.
[2007-09-02 05:26:54 8597] DEBUG (DevController:153) Waiting for 2048.
[2007-09-02 05:26:54 8597] DEBUG (DevController:541)
hotplugStatusCallback /local/domain/0/backend/vbd/16/2048/hotplug-status.
[2007-09-02 05:26:54 8597] DEBUG (DevController:555) hotplugStatusCallback 1.
[2007-09-02 05:26:54 8597] DEBUG (DevController:148) Waiting for devices irq.
[2007-09-02 05:26:54 8597] DEBUG (DevController:148) Waiting for devices vkbd.
[2007-09-02 05:26:54 8597] DEBUG (DevController:148) Waiting for devices vfb.
[2007-09-02 05:26:55 8597] DEBUG (DevController:148) Waiting for
devices console.
[2007-09-02 05:26:55 8597] DEBUG (DevController:153) Waiting for 0.
[2007-09-02 05:26:55 8597] DEBUG (DevController:148) Waiting for devices pci.
[2007-09-02 05:26:55 8597] DEBUG (DevController:148) Waiting for
devices ioports.
[2007-09-02 05:26:55 8597] DEBUG (DevController:148) Waiting for devices tap.
[2007-09-02 05:26:55 8597] DEBUG (DevController:148) Waiting for devices vtpm.
[2007-09-02 05:26:55 8597] INFO (XendDomain:1117) Domain xen002 (16) unpaused.
...
... [vms xen003 to xen262 deleted]
...
[2007-09-02 17:44:28 8597] DEBUG (XendDomainInfo:78)
XendDomainInfo.create(['vm', ['name', 'xen263'], ['memory', 512],
['vcpus', 4], ['on_xend_start', 'ignore'], ['on_xend_stop',
'ignore'], ['image', ['linux', ['kernel', '/boot/vmlinuz-xen'],
['ramdisk', '/boot/initrd-xen'], ['ip',
'10.0.29.63:1.2.3.4::255.254.0.0::eth0:off'], ['root', '/dev/sda2
ro'], ['args', ' xencons=tty1 3']]], ['device', ['vbd', ['uname',
'phy:/tmp/xendevs/xen263'], ['dev', 'sda'], ['mode', 'w']]],
['device', ['vif', ['mac', '00:16:3e:0d:a0:01']]]])
[2007-09-02 17:44:28 8597] DEBUG (XendDomainInfo:1418)
XendDomainInfo.constructDomain
[2007-09-02 17:44:28 8597] DEBUG (balloon:114) Balloon: 32978616 KiB
free; need 2048; done.
[2007-09-02 17:44:28 8597] DEBUG (XendDomain:434) Adding Domain: 277
[2007-09-02 17:44:28 8597] DEBUG (XendDomainInfo:1472)
XendDomainInfo.initDomain: 277 256
[2007-09-02 17:44:29 8597] DEBUG (XendDomainInfo:1503)
_initDomain:shadow_memory=0x0, memory_static_max=0x20000000,
memory_static_min=0x0.
[2007-09-02 17:44:29 8597] DEBUG (balloon:114) Balloon: 32978608 KiB
free; need 524288; done.
[2007-09-02 17:44:29 8597] INFO (image:128) buildDomain os=linux
dom=277 vcpus=4
[2007-09-02 17:44:29 8597] DEBUG (image:197) domid = 277
[2007-09-02 17:44:29 8597] DEBUG (image:198) memsize = 512
[2007-09-02 17:44:29 8597] DEBUG (image:199) image =
/boot/vmlinuz-xen
[2007-09-02 17:44:29 8597] DEBUG (image:200) store_evtchn = 1
[2007-09-02 17:44:29 8597] DEBUG (image:201) console_evtchn = 2
[2007-09-02 17:44:29 8597] DEBUG (image:202) cmdline =
root=/dev/sda2 ro ip=10.0.29.63:1.2.3.4::255.254.0.0::eth0:off xencons=tty1 3
[2007-09-02 17:44:29 8597] DEBUG (image:203) ramdisk = /boot/initrd-xen
[2007-09-02 17:44:29 8597] DEBUG (image:204) vcpus = 4
[2007-09-02 17:44:29 8597] DEBUG (image:205) features =
[2007-09-02 17:44:30 8597] INFO (XendDomainInfo:1321) createDevice:
vbd : {'uuid': '9d639202-73af-64ec-451d-3abe0fc57bc7', 'bootable':
1, 'driver': 'paravirtualised', 'dev': 'sda', 'uname':
'phy:/tmp/xendevs/xen263', 'mode': 'w'}
[2007-09-02 17:44:30 8597] DEBUG (DevController:115) DevController:
writing {'virtual-device': '2048', 'device-type': 'disk',
'protocol': 'x86_64-abi', 'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/vbd/277/2048'} to
/local/domain/277/device/vbd/2048.
[2007-09-02 17:44:30 8597] DEBUG (DevController:117) DevController:
writing {'domain': 'xen263', 'frontend':
'/local/domain/277/device/vbd/2048', 'uuid':
'9d639202-73af-64ec-451d-3abe0fc57bc7', 'dev': 'sda', 'state': '1',
'params': '/tmp/xendevs/xen263', 'mode': 'w', 'online': '1',
'frontend-id': '277', 'type': 'phy'} to /local/domain/0/backend/vbd/277/2048.
[2007-09-02 17:44:30 8597] INFO (XendDomainInfo:1321) createDevice:
vif : {'mac': '00:16:3e:0d:a0:01', 'uuid':
'a126d815-fd4a-332b-c881-235a7e003cfb'}
[2007-09-02 17:45:02 8597] DEBUG (DevController:115) DevController:
writing {'mac': '00:16:3e:0d:a0:01', 'handle': '0', 'protocol':
'x86_64-abi', 'backend-id': '0', 'state': '1', 'backend':
'/local/domain/0/backend/vif/277/0'} to /local/domain/277/device/vif/0.
[2007-09-02 17:45:02 8597] DEBUG (DevController:117) DevController:
writing {'domain': 'xen263', 'handle': '0', 'uuid':
'a126d815-fd4a-332b-c881-235a7e003cfb', 'script':
'/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend':
'/local/domain/277/device/vif/0', 'mac': '00:16:3e:0d:a0:01',
'online': '1', 'frontend-id': '277', 'type': 'netfront'} to
/local/domain/0/backend/vif/277/0.
[2007-09-02 17:45:56 8597] DEBUG (XendDomainInfo:1978) Storing VM
details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid':
'8f8f9839-dd61-b9cd-89a6-f66bb3d41726', 'on_reboot': 'restart',
'start_time': '1188769556.11', 'on_poweroff': 'destroy',
'on_xend_start': 'ignore', 'on_crash': 'restart',
'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15',
'image': "(linux (kernel /boot/vmlinuz-xen) (ramdisk
/boot/initrd-xen) (args 'root=/dev/sda2 ro
ip=10.0.29.63:1.2.3.4::255.254.0.0::eth0:off xencons=tty1 3')
(notes (FEATURES
'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel')
(VIRT_BASE -2147483648) (GUEST_VERSION 2.6) (PADDR_OFFSET
-2147483648) (GUEST_OS linux) (HYPERCALL_PAGE -2145361920) (LOADER
generic) (SUSPEND_CANCEL 1) (ENTRY -2145386496) (XEN_VERSION
xen-3.0)))", 'name': 'xen263'}
[2007-09-02 17:45:58 8597] DEBUG (XendDomainInfo:823) Storing domain
details: {'console/ring-ref': '5227479', 'image/entry':
'-2145386496', 'console/port': '2', 'cpu/3/availability': 'online',
'store/ring-ref': '5227480', 'image/loader': 'generic', 'vm':
'/vm/8f8f9839-dd61-b9cd-89a6-f66bb3d41726',
'control/platform-feature-multiprocessor-suspend': '1',
'cpu/2/availability': 'online', 'cpu/1/availability': 'online',
'image/features/writable-descriptor-tables': '1', 'image/virt-base':
'-2147483648', 'memory/target': '524288', 'image/guest-version':
'2.6', 'image/features/supervisor-mode-kernel': '1',
'image/guest-os': 'linux', 'console/limit': '1048576',
'image/paddr-offset': '-2147483648', 'image/hypercall-page':
'-2145361920', 'image/suspend-cancel': '1', 'cpu/0/availability':
'online', 'image/features/pae-pgdir-above-4gb': '1',
'image/features/writable-page-tables': '1',
'image/features/auto-translated-physmap': '1', 'name': 'xen263',
'domid': '277', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2007-09-02 17:47:25 8597] DEBUG (DevController:115) DevController:
writing {'protocol': 'x86_64-abi', 'state': '1', 'backend-id': '0',
'backend': '/local/domain/0/backend/console/277/0'} to
/local/domain/277/device/console/0.
[2007-09-02 17:47:25 8597] DEBUG (DevController:117) DevController:
writing {'domain': 'xen263', 'protocol': 'vt100', 'uuid':
'd0da45dd-1a00-da65-61dd-66dadd6e9897', 'frontend':
'/local/domain/277/device/console/0', 'state': '1', 'location': '2',
'online': '1', 'frontend-id': '277'} to /local/domain/0/backend/console/277/0.
[2007-09-02 17:47:26 8597] DEBUG (XendDomainInfo:823) Storing domain
details: {'console/ring-ref': '5227479', 'image/entry':
'-2145386496', 'console/port': '2', 'cpu/3/availability': 'online',
'store/ring-ref': '5227480', 'image/loader': 'generic', 'vm':
'/vm/8f8f9839-dd61-b9cd-89a6-f66bb3d41726',
'control/platform-feature-multiprocessor-suspend': '1',
'cpu/2/availability': 'online', 'cpu/1/availability': 'online',
'image/features/writable-descriptor-tables': '1', 'image/virt-base':
'-2147483648', 'memory/target': '524288', 'image/guest-version':
'2.6', 'image/features/supervisor-mode-kernel': '1',
'image/guest-os': 'linux', 'console/limit': '1048576',
'image/paddr-offset': '-2147483648', 'image/hypercall-page':
'-2145361920', 'image/suspend-cancel': '1', 'cpu/0/availability':
'online', 'image/features/pae-pgdir-above-4gb': '1',
'image/features/writable-page-tables': '1',
'image/features/auto-translated-physmap': '1', 'name': 'xen263',
'domid': '277', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2007-09-02 17:47:27 8597] DEBUG (XendDomainInfo:907)
XendDomainInfo.handleShutdownWatch
[2007-09-02 17:48:23 8597] DEBUG (DevController:148) Waiting for devices vif.
[2007-09-02 17:48:23 8597] DEBUG (DevController:153) Waiting for 0.
[2007-09-02 17:48:23 8597] DEBUG (DevController:541)
hotplugStatusCallback /local/domain/0/backend/vif/277/0/hotplug-status.
[2007-09-02 17:48:23 8597] DEBUG (DevController:555) hotplugStatusCallback 1.
[2007-09-02 17:48:24 8597] DEBUG (DevController:148) Waiting for devices usb.
[2007-09-02 17:48:24 8597] DEBUG (DevController:148) Waiting for devices vbd.
[2007-09-02 17:48:24 8597] DEBUG (DevController:153) Waiting for 2048.
[2007-09-02 17:48:25 8597] DEBUG (DevController:541)
hotplugStatusCallback /local/domain/0/backend/vbd/277/2048/hotplug-status.
[2007-09-02 17:48:25 8597] DEBUG (DevController:555) hotplugStatusCallback 1.
[2007-09-02 17:48:25 8597] DEBUG (DevController:148) Waiting for devices irq.
[2007-09-02 17:48:25 8597] DEBUG (DevController:148) Waiting for devices vkbd.
[2007-09-02 17:48:25 8597] DEBUG (DevController:148) Waiting for devices vfb.
[2007-09-02 17:48:26 8597] DEBUG (DevController:148) Waiting for
devices console.
[2007-09-02 17:48:26 8597] DEBUG (DevController:153) Waiting for 0.
[2007-09-02 17:48:26 8597] DEBUG (DevController:148) Waiting for devices pci.
[2007-09-02 17:48:26 8597] DEBUG (DevController:148) Waiting for
devices ioports.
[2007-09-02 17:48:26 8597] DEBUG (DevController:148) Waiting for devices tap.
[2007-09-02 17:48:26 8597] DEBUG (DevController:148) Waiting for devices vtpm.
[2007-09-02 17:48:26 8597] INFO (XendDomain:1117) Domain xen263
(277) unpaused.
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