Problems with guest Dom's on Fedora 6 - xen - Fedora mailing-lists

9 Dec 2006


      Hi,
I'm new to Xen. I've been trying unsucessfully to setup an x86_64 guest on 
my x86_64 Dom0 (both running Fedora Core 6). The dom0 system is a fresh 
install of FC6 with latest updates applied.
What I have been able to do is run the 'virt-install' utility to create the 
guest environment, however when the FC6 install finishes on the guest, it 
says 'rebooting' and then dies i.e. I can't see the guest listed when I do 
an 'xm list'.
What I've then done is 'xm create -c /etc/xen/fc6_64' (the name of the 
config created above) which takes my to the pygrub boot screen, then 
attempts to boot, however I only get as far as 'creating root device' and it 
stops. Now, when I do an 'xm list' I can see the guest listed but it is in 
the 'blocked' state. The xend.log file doesn't appear to show any errors, 
just a whole lot of DEBUG - the last message is 'INFO (XendDomain:370) 
Domain fc6_64 (1) unpaused'
Now if I try to reboot the guest i.e 'xm reboot fc6_64' things go horribly 
wrong. The guest console says 'restarting' then drops back to Dom0 command 
line. When I do 'xm list' I get the error 'Error: Device 51712 not 
connected' instead of the usual list and xend.log shows the following:
[2006-12-10 07:24:42 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:933) 
XendDomainInfo.handleShutdownWatch
[2006-12-10 07:24:42 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:933) 
XendDomainInfo.handleShutdownWatch
[2006-12-10 07:24:44 xend.XendDomainInfo 2488] INFO (XendDomainInfo:892) 
Domain has shutdown: name=fc6_64 id=1 reason=reboot.
[2006-12-10 07:24:44 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:1457) 
XendDomainInfo.destroyDomain(1)
[2006-12-10 07:24:44 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:190) 
XendDomainInfo.create(['domain', ['domid', 1], ......
[2006-12-10 07:24:44 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:296) 
parseConfig: config is ['domain', ['domid', 1], ...........
[2006-12-10 07:24:44 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:395) 
parseConfig: result is {'shadow_memory': 0,..............
[2006-12-10 07:24:44 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:1253) 
XendDomainInfo.construct: None
[2006-12-10 07:24:44 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:1285) 
XendDomainInfo.initDomain: 2 1.0
[2006-12-10 07:24:44 xend 2488] INFO (image:214) configuring linux guest
[2006-12-10 07:24:44 xend 2488] DEBUG (balloon:133) Balloon: 4608 KiB free; 
258464 to scrub; need 262144; retries: 20.
[2006-12-10 07:24:44 xend 2488] DEBUG (balloon:141) Balloon: waiting on 
scrubbing
[2006-12-10 07:24:45 xend 2488] DEBUG (balloon:127) Balloon: 263072 KiB 
free; need 262144; done.
[2006-12-10 07:24:45 xend 2488] INFO (image:138) buildDomain os=linux dom=2 
vcpus=1
[2006-12-10 07:24:45 xend 2488] DEBUG (image:193) dom            = 2
[2006-12-10 07:24:45 xend 2488] DEBUG (image:194) image          = 
/var/lib/xen/vmlinuz.ZheCMH
[2006-12-10 07:24:45 xend 2488] DEBUG (image:195) store_evtchn   = 1
[2006-12-10 07:24:45 xend 2488] DEBUG (image:196) console_evtchn = 2
[2006-12-10 07:24:45 xend 2488] DEBUG (image:197) cmdline        =  ro 
root=/dev/VolGroup00/LogVol00 console=xvc0
[2006-12-10 07:24:45 xend 2488] DEBUG (image:198) ramdisk        = 
/var/lib/xen/initrd.LC7J9l
[2006-12-10 07:24:45 xend 2488] DEBUG (image:199) vcpus          = 1
[2006-12-10 07:24:45 xend 2488] DEBUG (image:200) features       =
[2006-12-10 07:24:45 xend 2488] DEBUG (DevController:110) DevController: 
writing {'backend-id': '0', 'mac': '00:16:3e:55:69:53', 'handle': '0', 
'state': '1', 'backend': '/local/domain/0/backend/vif/2/0'} to 
/local/domain/2/device/vif/0.
[2006-12-10 07:24:45 xend 2488] DEBUG (DevController:112) DevController: 
writing {'bridge': 'xenbr0', 'domain': 'fc6_64', 'handle': '0', 'script': 
'/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend': 
'/local/domain/2/device/vif/0', 'mac': '00:16:3e:55:69:53', 'online': '1', 
'frontend-id': '2'} to /local/domain/0/backend/vif/2/0.
[2006-12-10 07:24:45 xend 2488] DEBUG (blkif:24) exception looking up device 
number for xvda: [Errno 2] No such file or directory: '/dev/xvda'
[2006-12-10 07:24:45 xend 2488] DEBUG (DevController:110) DevController: 
writing {'backend-id': '0', 'virtual-device': '51712', 'device-type': 
'disk', 'state': '1', 'backend': '/local/domain/0/backend/tap/2/51712'} to 
/local/domain/2/device/vbd/51712.
[2006-12-10 07:24:45 xend 2488] DEBUG (DevController:112) DevController: 
writing {'domain': 'fc6_64', 'frontend': '/local/domain/2/device/vbd/51712', 
'dev': 'xvda', 'state': '1', 'params': 'aio:/data/fc6_64.img', 'mode': 'w', 
'online': '1', 'frontend-id': '2', 'type': 'tap'} to 
/local/domain/0/backend/tap/2/51712.
[2006-12-10 07:24:45 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:712) 
Storing VM details: {'shadow_memory': '0', 'uuid': ............
[2006-12-10 07:24:45 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:747) 
Storing domain details: {'console/ring-ref': '230727', ..........
[2006-12-10 07:24:45 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:933) 
XendDomainInfo.handleShutdownWatch
[2006-12-10 07:24:59 xend.XendDomainInfo 2488] WARNING (XendDomainInfo:875) 
Domain has crashed: name=fc6_64 id=2.
[2006-12-10 07:24:59 xend.XendDomainInfo 2488] ERROR (XendDomainInfo:1661) 
VM fc6_64 restarting too fast (15.225058 seconds since the last restart).  
Refusing to restart to avoid loops.
[2006-12-10 07:24:59 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:1449) 
XendDomainInfo.destroy: domid=2
[2006-12-10 07:24:59 xend.XendDomainInfo 2488] DEBUG (XendDomainInfo:1457) 
XendDomainInfo.destroyDomain(2)
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