[one-users] Failure to launch Xen VM
Steven Timm
timm at fnal.gov
Tue Jan 18 13:47:16 PST 2011
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.
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