[one-users] Failure to launch Xen VM

Tue Jan 18 13:54:10 PST 2011

To see what pygrub is doing you can run /usr/bin/pygrub
path_to_your_image. Another option is to run this image in hvm mode.

2011/1/18 Steven Timm <timm at fnal.gov>:
> The error of "ELF image has no shstrtab" happens
> when you try to get paravirtualized xen to boot a non-Xen kernel
> which was the default kernel in grub.conf.
> Now trying to figure out what is wrong with the vmlinuz/initrd
> combo of my actual Xen kernel.
>
> Steve
>
>
> On Tue, 18 Jan 2011, Steven Timm wrote:
>
>> Now I get the following error:
>>
>> Tue Jan 18 15:08:35 2011 [VMM][I]: Command execution fail:
>> /tmp/one/vmm/xen/deploy /var/lib/one/258/images/deployment.0
>> Tue Jan 18 15:08:35 2011 [VMM][I]: STDERR follows.
>> Tue Jan 18 15:08:35 2011 [VMM][I]: Warning: No xauth data; using fake
>> authentication data for X11 forwarding.
>> Tue Jan 18 15:08:35 2011 [VMM][I]: Error: (2, 'Invalid kernel',
>> 'xc_dom_parse_elf_kernel: ELF image has no shstrtab\n')
>> Tue Jan 18 15:08:35 2011 [VMM][I]: ExitCode: 1
>> Tue Jan 18 15:08:35 2011 [VMM][E]: Error deploying virtual machine
>> Tue Jan 18 15:08:35 2011 [DiM][I]: New VM state is FAILED
>> Tue Jan 18 15:08:45 2011 [TM][W]: Ignored: LOG - 258 tm_delete.sh:
>> Deleting /var/lib/one/258/images
>>
>> Tue Jan 18 15:08:45 2011 [TM][W]: Ignored: LOG - 258 tm_delete.sh:
>> Executed "/usr/bin/ssh fcl010 rm -rf /var/lib/one/258/images".
>>
>> Tue Jan 18 15:08:45 2011 [TM][W]: Ignored: TRANSFER SUCCESS 258
>>
>> ----------------------
>> My question is the following--it looks like from the dump below, the
>> xen is trying to boot with a kernel and ramdisk in dom0
>> even though I specified bootloader=/usr/bin/pygrub and wanted
>> it to take the xen kernel from inside the image.  Are there
>> other things I need to do to make that happen?  I am presuming
>> that if I specify a KERNEL= and RAMDISK= in the template
>> then it will try to find those kernel and ramdisk in dom0.
>>
>> These are the relevant entries from my template
>>
>> OS      =   [ bootloader = "/usr/bin/pygrub" ]
>>
>> DISK   = [ image = "cloudmysql-hybrid" ]
>>
>>
>> Steve Timm
>>
>>
>>
>> ----------------------------
>> Here is the dump of the xend log from the VM host:
>>
>>
>> [2011-01-18 15:08:35 xend.XendDomainInfo 5136] DEBUG (XendDomainInfo:207)
>> XendDo
>> mainInfo.create(['vm', ['name', 'one-258'], ['memory', '2048'], ['vcpus',
>> '2'],
>> ['bootloader', '/usr/bin/pygrub'], ['image', ['linux', ['ramdisk',
>> '/var/lib/xen
>> /boot_ramdisk.zm8X_R'], ['kernel', '/var/lib/xen/boot_kernel.A0CMTy'],
>> ['args',
>> 'ro root=LABEL=/ console=xvc0']]], ['device', ['tap', ['uname',
>> 'tap:aio:/var/li
>> b/one/258/images/disk.0'], ['dev', 'sda'], ['mode', 'w']]], ['device',
>> ['tap', [
>> 'uname', 'tap:aio:/var/lib/one/258/images/disk.1'], ['dev', 'sdb'],
>> ['mode', 'w'
>> ]]], ['device', ['tap', ['uname',
>> 'tap:aio:/var/lib/one/258/images/disk.2'], ['d
>> ev', 'sdc'], ['mode', 'w']]], ['device', ['tap', ['uname',
>> 'tap:aio:/var/lib/one
>> /258/images/disk.3'], ['dev', 'hdc'], ['mode', 'r']]], ['device', ['vif',
>> ['brid
>> ge', 'xenbr0'], ['mac', '00:16:3E:02:03:04']]], ['device', ['vkbd']],
>> ['device',
>> ['vfb', ['vnclisten', '127.0.0.1'], ['type', 'vnc'], ['vncdisplay', '14'],
>> ['di
>> splay', 'localhost:11.0'], ['xauthority', '/var/lib/one/.Xauthority']]]])
>> [2011-01-18 15:08:35 xend.XendDomainInfo 5136] DEBUG (XendDomainInfo:329)
>> parseC
>> onfig: config is ['vm', ['name', 'one-258'], ['memory', '2048'], ['vcpus',
>> '2'],
>> ['bootloader', '/usr/bin/pygrub'], ['image', ['linux', ['ramdisk',
>> '/var/lib/xe
>> n/boot_ramdisk.zm8X_R'], ['kernel', '/var/lib/xen/boot_kernel.A0CMTy'],
>> ['args',
>> 'ro root=LABEL=/ console=xvc0']]], ['device', ['tap', ['uname',
>> 'tap:aio:/var/l
>> ib/one/258/images/disk.0'], ['dev', 'sda'], ['mode', 'w']]], ['device',
>> ['tap',
>> ['uname', 'tap:aio:/var/lib/one/258/images/disk.1'], ['dev', 'sdb'],
>> ['mode', 'w
>> ']]], ['device', ['tap', ['uname',
>> 'tap:aio:/var/lib/one/258/images/disk.2'], ['
>> dev', 'sdc'], ['mode', 'w']]], ['device', ['tap', ['uname',
>> 'tap:aio:/var/lib/on
>> e/258/images/disk.3'], ['dev', 'hdc'], ['mode', 'r']]], ['device', ['vif',
>> ['bri
>> dge', 'xenbr0'], ['mac', '00:16:3E:02:03:04']]], ['device', ['vkbd']],
>> ['device'
>> , ['vfb', ['vnclisten', '127.0.0.1'], ['type', 'vnc'], ['vncdisplay',
>> '14'], ['d
>> isplay', 'localhost:11.0'], ['xauthority', '/var/lib/one/.Xauthority']]]]
>> [2011-01-18 15:08:35 xend.XendDomainInfo 5136] DEBUG (XendDomainInfo:446)
>> parseC
>> onfig: result is {'features': None, 'image': ['linux', ['ramdisk',
>> '/var/lib/xen
>> /boot_ramdisk.zm8X_R'], ['kernel', '/var/lib/xen/boot_kernel.A0CMTy'],
>> ['args',
>> 'ro root=LABEL=/ console=xvc0']], 'cpus': None, 'vcpu_avail': None,
>> 'backend': [
>> ], 'uuid': None, 'on_reboot': None, 'cpu_weight': None, 'memory': 2048,
>> 'cpu_cap
>> ': None, 'localtime': None, 'timer_mode': None, 'start_time': None,
>> 'on_poweroff
>> ': None, 'on_crash': None, 'device': [('tap', ['tap', ['uname',
>> 'tap:aio:/var/li
>> b/one/258/images/disk.0'], ['dev', 'sda'], ['mode', 'w']]), ('tap',
>> ['tap', ['un
>> ame', 'tap:aio:/var/lib/one/258/images/disk.1'], ['dev', 'sdb'], ['mode',
>> 'w']])
>> , ('tap', ['tap', ['uname', 'tap:aio:/var/lib/one/258/images/disk.2'],
>> ['dev', '
>> sdc'], ['mode', 'w']]), ('tap', ['tap', ['uname',
>> 'tap:aio:/var/lib/one/258/imag
>> es/disk.3'], ['dev', 'hdc'], ['mode', 'r']]), ('vif', ['vif', ['bridge',
>> 'xenbr0
>> '], ['mac', '00:16:3E:02:03:04']]), ('vkbd', ['vkbd']), ('vfb', ['vfb',
>> ['vnclis
>> ten', '127.0.0.1'], ['type', 'vnc'], ['vncdisplay', '14'], ['display',
>> 'localhos
>> t:11.0'], ['xauthority', '/var/lib/one/.Xauthority']])], 'bootloader':
>> '/usr/bin
>> /pygrub', 'maxmem': None, 'shadow_memory': None, 'name': 'one-258',
>> 'bootloader_
>> args': None, 'vcpus': 2, 'cpu': None}
>> [2011-01-18 15:08:35 xend.XendDomainInfo 5136] DEBUG (XendDomainInfo:1784)
>> XendD
>> omainInfo.construct: None
>> [2011-01-18 15:08:35 xend 5136] DEBUG (balloon:145) Balloon: 22650992 KiB
>> free;
>> need 4096; done.
>> [2011-01-18 15:08:35 xend.XendDomainInfo 5136] DEBUG (XendDomainInfo:1953)
>> XendD
>> omainInfo.initDomain: 1 256
>> [2011-01-18 15:08:35 xend.XendDomainInfo 5136] DEBUG (XendDomainInfo:1994)
>> _init
>> Domain:shadow_memory=0x0, maxmem=0x800, memory=0x800.
>> [2011-01-18 15:08:35 xend 5136] DEBUG (balloon:145) Balloon: 22650984 KiB
>> free;
>> need 2097152; done.
>> [2011-01-18 15:08:35 xend 5136] INFO (image:139) buildDomain os=linux
>> dom=1 vcpu
>> s=2
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:208) domid          = 1
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:209) memsize        = 2048
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:210) image          =
>> /var/lib/xen/
>> boot_kernel.A0CMTy
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:211) store_evtchn   = 1
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:212) console_evtchn = 2
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:213) cmdline        =  ro
>> root=LABE
>> L=/ console=xvc0
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:214) ramdisk        =
>> /var/lib/xen/
>> boot_ramdisk.zm8X_R
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:215) vcpus          = 2
>> [2011-01-18 15:08:35 xend 5136] DEBUG (image:216) features       =
>> [2011-01-18 15:08:35 xend.XendDomainInfo 5136] ERROR (XendDomainInfo:219)
>> Domain
>> construction failed
>> Traceback (most recent call last):
>>  File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
>> line 212
>> , in create
>>   vm.initDomain()
>>  File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
>> line 203
>> 9, in initDomain
>>   raise VmError(str(exn))
>> VmError: (2, 'Invalid kernel', 'xc_dom_parse_elf_kernel: ELF image has no
>> shstrt
>> ab\n')
>> ------------------
>>
>>
>>
>>
>> On Tue, 18 Jan 2011, Steven Timm wrote:
>>
>>>
>>> Docs show that I need the "bootloader" option in the OS section.
>>> Adding that got me past the error mentioned below.
>>>
>>> Steve
>>>
>>> On Tue, 18 Jan 2011, Steven Timm wrote:
>>>
>>>>
>>>> Is there a worked example somewhere of how to successfully launch
>>>> a Xen VM in opennebula?
>>>>
>>>> Right now ONE copies the OS image and the other disks to
>>>> my Xen host, tries to launch, but fails with the error
>>>>
>>>> Tue Jan 18 13:18:33 2011 [VMM][I]: Generating deployment file:
>>>> /var/lib/one/249/deployment.0
>>>> Tue Jan 18 13:18:33 2011 [VMM][E]: No kernel or bootloader defined and
>>>> no default provided.
>>>> Tue Jan 18 13:18:33 2011 [VMM][E]: deploy_action, error generating
>>>> deployment file: /var/lib/one/249/deployment.0
>>>> Tue Jan 18 13:18:33 2011 [DiM][I]: New VM state is FAILED
>>>>
>>>> ------------
>>>>
>>>> My OS image has a kernel-xen loaded in it but is otherwise
>>>> the same format as the KVM images I have been using,
>>>> i.e. it has a boot sector and one partition which is supposed to mount
>>>> as /dev/sda1.
>>>>
>>>> As far as I can tell, I never got as far as trying to launch the
>>>> Xen VM.
>>>>
>>>> Steve
>>>>
>>>>
>>>
>>>
>>
>>
>
> --
> ------------------------------------------------------------------
> Steven C. Timm, Ph.D  (630) 840-8525
> timm at fnal.gov  http://home.fnal.gov/~timm/
> Fermilab Computing Division, Scientific Computing Facilities,
> Grid Facilities Department, FermiGrid Services Group, Group Leader.
> Lead of FermiCloud project.
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>

-- 
Łukasz Oleś