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Re: [Xen-users] xen 3.0.4 - 22, 'Invalid argument' when starting domain.

from [xensource] [Permanent Link][Original]
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] xen 3.0.4 - 22, 'Invalid argument' when starting domain.
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Date: Tue, 20 Feb 2007 22:42:46 +0100
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Thanks for this answer.

However it didn't helped me. I feel a bit lost now. I really don't know what 
to do...
I don't know how to set or not PAE and how to check if it's enabled, but to be 
sure I rebuild a domU kernel with the same sources as dom0. And I got exactly 
the same error. Only my dom0 boots correctly, not my domUs.

Here are additionnal informations :

When restarting xend, I have these strange lines in my /var/log/messages 
logfile, however this does not prevent xend to work correctly. (At least for 
the xm list command)

# /var/log/messages
Feb 20 21:15:08 homer BLKTAPCTRL[18731]: blktapctrl: v1.0.0
Feb 20 21:15:08 homer BLKTAPCTRL[18731]: Found driver: [raw image (aio)]
Feb 20 21:15:08 homer BLKTAPCTRL[18731]: Found driver: [raw image (sync)]
Feb 20 21:15:08 homer BLKTAPCTRL[18731]: Found driver: [vmware image (vmdk)]
Feb 20 21:15:08 homer BLKTAPCTRL[18731]: Found driver: [ramdisk image (ram)]
Feb 20 21:15:08 homer BLKTAPCTRL[18731]: Found driver: [qcow disk (qcow)]
Feb 20 21:15:08 homer BLKTAPCTRL[18731]: Unable to start blktapctrl

homer ~ # xm info
host                   : homer
release                : 2.6.19.2-dom0
version                : #2 SMP Sat Feb 17 11:27:31 CET 2007
machine                : i686
nr_cpus                : 1
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 1
threads_per_core       : 1
cpu_mhz                : 1802
hw_caps                : 
078bfbff:e3d3fbff:00000000:00000010:00000000:00000001:00000001
total_memory           : 2047
free_memory            : 1251
xen_major              : 3
xen_minor              : 0
xen_extra              : .4-1
xen_caps               : xen-3.0-x86_32
xen_pagesize           : 4096
platform_params        : virt_start=0xfc000000
xen_changeset          : unavailable
cc_compiler            : gcc version 3.4.6 (Gentoo 3.4.6-r1, ssp-3.4.5-1.0, 
pie-8.7.9)
cc_compile_by          : root
cc_compile_domain      :
cc_compile_date        : Sat Feb 17 11:59:41 CET 2007
xend_config_format     : 3
homer ~ #
homer ~ # xm create /dev/null 
kernel=/usr/local/xen/boot/vmlinuz-2.6.19-xen-domU
Using config file "/dev/null".
Error: (22, 'Invalid argument')
homer ~ #
homer ~ # xm list
Name                                      ID   Mem VCPUs      State   Time(s)
Domain-0                                   0   768     1     r-----     80.8
homer ~ #

Nothing appears in the xend-debug.log, however in the xend.log I have :

homer ~ # cat /var/log/xen/xend.log
[2007-02-20 21:14:30 xend 18698] WARNING (XendAuthSessions:27) python-pam is 
required for XenAPI support.
[2007-02-20 21:14:30 xend 18712] INFO (SrvDaemon:322) Xend Daemon started
[2007-02-20 21:14:30 xend 18712] INFO (SrvDaemon:326) Xend changeset: 
unavailable.
[2007-02-20 21:14:30 xend 18712] INFO (SrvDaemon:333) Xend version: Unknown.
[2007-02-20 21:14:30 xend.XendDomainInfo 18712] DEBUG (XendDomainInfo:121) 
XendDomainInfo.recreate({'max_vcpu_id': 0, 'cpu_time': 
78959768061L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 0, 'dying': 
0, 'online_vcpus': 1, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 
1, 'maxmem_kb': -4, 'shutdown': 0, 'mem_kb': 786432, 'handle': [0, 0, 0, 0, 
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'blocked': 0, 'name': 'Domain-0'})
[2007-02-20 21:14:30 xend.XendDomainInfo 18712] INFO (XendDomainInfo:135) 
Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. 
at /local/domain/0
[2007-02-20 21:14:30 xend 18712] DEBUG (XendDomain:428) Adding Domain: 0
[2007-02-20 21:14:30 xend 18712] DEBUG (XendDomain:372) number of vcpus to use 
is 0
[2007-02-20 21:14:30 xend 18712] INFO (XMLRPCServer:121) Opening Unix domain 
socket XML-RPC server on /var/run/xend/xen-api.sock.
[2007-02-20 21:14:30 xend 18712] INFO (XMLRPCServer:121) Opening Unix domain 
socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2007-02-20 21:14:30 xend.XendDomainInfo 18712] DEBUG (XendDomainInfo:798) 
XendDomainInfo.handleShutdownWatch
[2007-02-20 21:14:31 xend 18717] WARNING (XendAuthSessions:27) python-pam is 
required for XenAPI support.
[2007-02-20 21:15:08 xend 18723] WARNING (XendAuthSessions:27) python-pam is 
required for XenAPI support.
[2007-02-20 21:15:08 xend 18712] DEBUG (SrvServer:75) SrvServer.cleanup()
[2007-02-20 21:15:08 xend 18737] INFO (SrvDaemon:322) Xend Daemon started
[2007-02-20 21:15:08 xend 18737] INFO (SrvDaemon:326) Xend changeset: 
unavailable.
[2007-02-20 21:15:08 xend 18737] INFO (SrvDaemon:333) Xend version: Unknown.
[2007-02-20 21:15:08 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:121) 
XendDomainInfo.recreate({'max_vcpu_id': 0, 'cpu_time': 
79529983025L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 0, 'dying': 
0, 'online_vcpus': 1, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 
1, 'maxmem_kb': -4, 'shutdown': 0, 'mem_kb': 786432, 'handle': [0, 0, 0, 0, 
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'blocked': 0, 'name': 'Domain-0'})
[2007-02-20 21:15:08 xend.XendDomainInfo 18737] INFO (XendDomainInfo:135) 
Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. 
at /local/domain/0
[2007-02-20 21:15:08 xend 18737] DEBUG (XendDomain:428) Adding Domain: 0
[2007-02-20 21:15:08 xend 18737] DEBUG (XendDomain:372) number of vcpus to use 
is 0
[2007-02-20 21:15:08 xend 18737] INFO (XMLRPCServer:121) Opening Unix domain 
socket XML-RPC server on /var/run/xend/xen-api.sock.
[2007-02-20 21:15:08 xend 18737] INFO (XMLRPCServer:121) Opening Unix domain 
socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2007-02-20 21:15:08 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:798) 
XendDomainInfo.handleShutdownWatch
[2007-02-20 21:15:09 xend 18742] WARNING (XendAuthSessions:27) python-pam is 
required for XenAPI support.
[2007-02-20 21:15:09 xend 18712] DEBUG (SrvServer:157) Waiting for 
['XMLRPCServer', 'XMLRPCServer'].
[2007-02-20 21:15:09 xend 18712] DEBUG (XMLRPCServer:186) 
XMLRPCServer.cleanup()
[2007-02-20 21:15:09 xend 18712] DEBUG (XMLRPCServer:186) 
XMLRPCServer.cleanup()
[2007-02-20 21:15:09 xend 18711] INFO (SrvDaemon:218) Xend exited with status 
0.
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:94) 
XendDomainInfo.create(['vm', ['name', 'null'], ['memory', 128], ['vcpus', 1], 
['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['image', ['linux', 
['kernel', '/usr/local/xen/boot/vmlinuz-2.6.19-xen-domU']]]])
[2007-02-20 21:16:02 xend.XendConfig 18737] WARNING (XendConfig:606) 
Unconverted key: cpus
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:1284) 
XendDomainInfo.constructDomain
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:1330) 
XendDomainInfo.initDomain: 13 256
[2007-02-20 21:16:02 xend 18737] DEBUG (balloon:127) Balloon: 1281724 KiB 
free; need 131072; done.
[2007-02-20 21:16:02 xend 18737] INFO (image:125) buildDomain os=linux dom=13 
vcpus=1
[2007-02-20 21:16:02 xend 18737] DEBUG (image:194) domid          = 13
[2007-02-20 21:16:02 xend 18737] DEBUG (image:195) memsize        = 128
[2007-02-20 21:16:02 xend 18737] DEBUG (image:196) image          
= /usr/local/xen/boot/vmlinuz-2.6.19-xen-domU
[2007-02-20 21:16:02 xend 18737] DEBUG (image:197) store_evtchn   = 1
[2007-02-20 21:16:02 xend 18737] DEBUG (image:198) console_evtchn = 2
[2007-02-20 21:16:02 xend 18737] DEBUG (image:199) cmdline        =
[2007-02-20 21:16:02 xend 18737] DEBUG (image:200) ramdisk        =
[2007-02-20 21:16:02 xend 18737] DEBUG (image:201) vcpus          = 1
[2007-02-20 21:16:02 xend 18737] DEBUG (image:202) features       =
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] ERROR (XendDomainInfo:397) VM 
start failed
Traceback (most recent call last):
  File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 385, in start
    self._initDomain()
  File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 1389, in 
_initDomain
    self._introduceDomain()
  File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 1324, in 
_introduceDomain
    raise XendError(str(exn))
XendError: (22, 'Invalid argument')
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:1483) 
XendDomainInfo.destroy: domid=13
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:1491) 
XendDomainInfo.destroyDomain(13)
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] ERROR (XendDomainInfo:99) 
Domain construction failed
Traceback (most recent call last):
  File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 97, in create
    vm.start()
  File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 385, in start
    self._initDomain()
  File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 1389, in 
_initDomain
    self._introduceDomain()
  File "//usr/lib/python/xen/xend/XendDomainInfo.py", line 1324, in 
_introduceDomain
    raise XendError(str(exn))
XendError: (22, 'Invalid argument')
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:1483) 
XendDomainInfo.destroy: domid=None
[2007-02-20 21:16:02 xend.XendDomainInfo 18737] DEBUG (XendDomainInfo:1491) 
XendDomainInfo.destroyDomain(None)




Le lundi 19 février 2007 12:43, vous avez écrit :
> Might be of some help. I used to get a similar error, until I figured
> that I was mixing PAE and non-PAE kernels. My host, Fedora Core 6, had
> a PAE enabled kernel. My guest, openSUSE 10.2, had a non-PAE kernel.
> That was resulting in this very unhelpful 22, "Invalid Argument"
> error.
>
> Hope that helps.
>
> Regards,
> Rakhesh
>
> ps. I am unsubscribing from this list. So please cc me if you have any
> questions on this ...

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