Re: [Xen-users] Argh, trying to start new domU keeps crashing

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sat, Mar 13, 2010 at 08:23:20PM -0800, Brandon Lamb wrote:
> I'll paste the xend.log at the bottom.
> 
> I am using a xen/next kernel (2.6.32) from git and xen-unstable.hg
> 

You might want to try xen/stable, which is at 2.6.32.9 and thus has many
fixes over 2.6.32.

> I have all the tools installed, machine boots and xm list and stuff
> works, but after i went to create my new server called syslog i got
> memory errors about not having enough and really nothing else useful.
> This is a 4 gig machine, in the grub i set dom0_mem=524288 and in
> xend-config i have dom0_min setting to 512 (is that right?) and
> balloon option to yes
> 

You should check the domU console output! So configure the domU only
with a text/serial console (no vfb graphical vnc console), and then try:

xm create -f /etc/xen/<guest> -c

That should show you where the domU kernel crashes and why.

-- Pasi


> here is the output now
> ---------------
> 
> [2010-03-13 20:19:51 1727] WARNING (XendConfig:872) Unconverted key: 
> Description
> [2010-03-13 20:19:51 1727] DEBUG (XendDomainInfo:101)
> XendDomainInfo.create(['vm', ['name', 'syslog'], ['memory', 512],
> ['shadow_memory', 8], ['on_poweroff', 'destroy'], ['on_reboot',
> 'restart'], ['on_crash', 'restart'], ['on_xend_start', 'ignore'],
> ['on_xend_stop', 'ignore'], ['vcpus', 1], ['oos', 1], ['image',
> ['hvm', ['kernel', '/usr/lib/xen-default/boot/hvmloader'], ['root',
> '/dev/xvda ro'], ['videoram', 4], ['acpi', 0], ['apic', 0], ['boot',
> 'dc'], ['cpuid', []], ['cpuid_check', []], ['device_model',
> '/usr/lib/xen/bin/qemu-dm'], ['display', ':1.0'], ['fda', ''], ['fdb',
> ''], ['guest_os_type', 'default'], ['hap', 1], ['hpet', 0], ['isa',
> 0], ['keymap', ''], ['localtime', 0], ['nographic', 0], ['oos', 1],
> ['pae', 1], ['pci', []], ['pci_msitranslate', 1], ['pci_power_mgmt',
> 0], ['rtc_timeoffset', 0], ['soundhw', ''], ['stdvga', 0],
> ['timer_mode', 1], ['usb', 0], ['usbdevice', ''], ['vcpus', 1],
> ['vncunused', 1], ['viridian', 0], ['vpt_align', 1], ['xauthority',
> '/root/.Xauthority'], ['xen_platform_pci', 1], ['memory_sharing', 0],
> ['tsc_mode', 0], ['nomigrate', 0]]], ['s3_integrity', 1], ['device',
> ['vbd', ['uname', 'phy:/dev/volumes/memcache1'], ['dev', 'xvda'],
> ['mode', 'w']]], ['device', ['vbd', ['uname',
> 'file:/xen/media/debian-netinst.iso'], ['dev', 'xvdc:cdrom'], ['mode',
> 'r']]], ['device', ['vif', ['bridge', 'xenbr0'], ['type', 'ioemu']]],
> ['device', ['vkbd']], ['device', ['vfb', ['vncunused', '1'],
> ['vnclisten', '0.0.0.0'], ['vnc', '1'], ['display', ':1.0'],
> ['xauthority', '/root/.Xauthority']]]])
> [2010-03-13 20:19:51 1727] DEBUG (XendDomainInfo:2508)
> XendDomainInfo.constructDomain
> [2010-03-13 20:19:51 1727] DEBUG (balloon:220) Balloon: 554828 KiB
> free; need 16384; done.
> [2010-03-13 20:19:51 1727] DEBUG (XendDomain:464) Adding Domain: 4
> [2010-03-13 20:19:51 1727] DEBUG (XendDomainInfo:2818)
> XendDomainInfo.initDomain: 4 256
> [2010-03-13 20:19:51 1727] DEBUG (image:339) No VNC passwd configured
> for vfb access
> [2010-03-13 20:19:51 1727] DEBUG (image:850) cmdline        = root=/dev/xvda 
> ro
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: boot, val: dc
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: fda, val: None
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: fdb, val: None
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: soundhw, val: None
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: localtime, val: 0
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: serial, val: None
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: std-vga, val: 0
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: isa, val: 0
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: acpi, val: 0
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: usb, val: 0
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: usbdevice, val: None
> [2010-03-13 20:19:51 1727] DEBUG (image:889) args: gfx_passthru, val: None
> [2010-03-13 20:19:51 1727] INFO (image:822) Need to create platform
> device.[domid:4]
> [2010-03-13 20:19:51 1727] DEBUG (XendDomainInfo:2845)
> _initDomain:shadow_memory=0x8, memory_static_max=0x20000000,
> memory_static_min=0x0.
> [2010-03-13 20:19:51 1727] INFO (image:182) buildDomain os=hvm dom=4 vcpus=1
> [2010-03-13 20:19:51 1727] DEBUG (image:947) domid          = 4
> [2010-03-13 20:19:51 1727] DEBUG (image:948) image          =
> /usr/lib/xen-default/boot/hvmloader
> [2010-03-13 20:19:51 1727] DEBUG (image:949) store_evtchn   = 2
> [2010-03-13 20:19:51 1727] DEBUG (image:950) memsize        = 512
> [2010-03-13 20:19:51 1727] DEBUG (image:951) target         = 512
> [2010-03-13 20:19:51 1727] DEBUG (image:952) vcpus          = 1
> [2010-03-13 20:19:51 1727] DEBUG (image:953) vcpu_avail     = 1
> [2010-03-13 20:19:51 1727] DEBUG (image:954) acpi           = 0
> [2010-03-13 20:19:51 1727] DEBUG (image:955) apic           = 0
> [2010-03-13 20:19:51 1727] INFO (XendDomainInfo:2367) createDevice:
> vkbd : {'uuid': 'c32f9673-fa4c-54ba-3f96-13631edd8be5'}
> [2010-03-13 20:19:51 1727] DEBUG (DevController:95) DevController:
> writing {'state': '1', 'backend-id': '0', 'backend':
> '/local/domain/0/backend/vkbd/4/0'} to /local/domain/4/device/vkbd/0.
> [2010-03-13 20:19:51 1727] DEBUG (DevController:97) DevController:
> writing {'frontend-id': '4', 'domain': 'syslog', 'frontend':
> '/local/domain/4/device/vkbd/0', 'state': '1', 'online': '1'} to
> /local/domain/0/backend/vkbd/4/0.
> [2010-03-13 20:19:51 1727] INFO (XendDomainInfo:2367) createDevice:
> vfb : {'vncunused': '1', 'other_config': {'vncunused': '1',
> 'vnclisten': '0.0.0.0', 'vnc': '1', 'display': ':1.0', 'xauthority':
> '/root/.Xauthority'}, 'vnc': '1', 'uuid':
> 'b28ad2ad-e51c-8a69-b056-d260e522e49a', 'vnclisten': '0.0.0.0',
> 'display': ':1.0', 'xauthority': '/root/.Xauthority'}
> [2010-03-13 20:19:51 1727] DEBUG (DevController:95) DevController:
> writing {'state': '1', 'backend-id': '0', 'backend':
> '/local/domain/0/backend/vfb/4/0'} to /local/domain/4/device/vfb/0.
> [2010-03-13 20:19:51 1727] DEBUG (DevController:97) DevController:
> writing {'vncunused': '1', 'domain': 'syslog', 'frontend':
> '/local/domain/4/device/vfb/0', 'uuid':
> 'b28ad2ad-e51c-8a69-b056-d260e522e49a', 'frontend-id': '4',
> 'vnclisten': '0.0.0.0', 'state': '1', 'online': '1', 'vnc': '1',
> 'display': ':1.0', 'xauthority': '/root/.Xauthority'} to
> /local/domain/0/backend/vfb/4/0.
> [2010-03-13 20:19:51 1727] INFO (XendDomainInfo:2367) createDevice:
> vbd : {'uuid': 'aa256bad-27d1-9b17-7b97-61e0dacd47c4', 'bootable': 1,
> 'driver': 'paravirtualised', 'dev': 'xvda', 'uname':
> 'phy:/dev/volumes/memcache1', 'mode': 'w'}
> [2010-03-13 20:19:51 1727] DEBUG (DevController:95) DevController:
> writing {'backend-id': '0', 'virtual-device': '51712', 'device-type':
> 'disk', 'state': '1', 'backend':
> '/local/domain/0/backend/vbd/4/51712'} to
> /local/domain/4/device/vbd/51712.
> [2010-03-13 20:19:51 1727] DEBUG (DevController:97) DevController:
> writing {'domain': 'syslog', 'frontend':
> '/local/domain/4/device/vbd/51712', 'uuid':
> 'aa256bad-27d1-9b17-7b97-61e0dacd47c4', 'bootable': '1', 'dev':
> 'xvda', 'state': '1', 'params': '/dev/volumes/memcache1', 'mode': 'w',
> 'online': '1', 'frontend-id': '4', 'type': 'phy'} to
> /local/domain/0/backend/vbd/4/51712.
> [2010-03-13 20:19:52 1727] INFO (XendDomainInfo:2367) createDevice:
> vbd : {'uuid': 'bb2309ed-f287-d6fa-556b-19c79bb59eee', 'bootable': 0,
> 'driver': 'paravirtualised', 'dev': 'xvdc:cdrom', 'uname':
> 'file:/xen/media/debian-netinst.iso', 'mode': 'r'}
> [2010-03-13 20:19:52 1727] DEBUG (DevController:95) DevController:
> writing {'backend-id': '0', 'virtual-device': '51744', 'device-type':
> 'cdrom', 'state': '1', 'backend':
> '/local/domain/0/backend/vbd/4/51744'} to
> /local/domain/4/device/vbd/51744.
> [2010-03-13 20:19:52 1727] DEBUG (DevController:97) DevController:
> writing {'domain': 'syslog', 'frontend':
> '/local/domain/4/device/vbd/51744', 'uuid':
> 'bb2309ed-f287-d6fa-556b-19c79bb59eee', 'bootable': '0', 'dev':
> 'xvdc', 'state': '1', 'params': '/xen/media/debian-netinst.iso',
> 'mode': 'r', 'online': '1', 'frontend-id': '4', 'type': 'file'} to
> /local/domain/0/backend/vbd/4/51744.
> [2010-03-13 20:19:52 1727] INFO (XendDomainInfo:2367) createDevice:
> vif : {'bridge': 'xenbr0', 'mac': '00:16:3e:43:21:0b', 'type':
> 'ioemu', 'uuid': 'e417e47b-5f4a-044a-4b06-c6a949c362d0'}
> [2010-03-13 20:19:52 1727] DEBUG (DevController:95) DevController:
> writing {'state': '1', 'backend-id': '0', 'backend':
> '/local/domain/0/backend/vif/4/0'} to /local/domain/4/device/vif/0.
> [2010-03-13 20:19:52 1727] DEBUG (DevController:97) DevController:
> writing {'bridge': 'xenbr0', 'domain': 'syslog', 'handle': '0',
> 'uuid': 'e417e47b-5f4a-044a-4b06-c6a949c362d0', 'script':
> '/etc/xen/scripts/vif-bridge bridge=xenbr0', 'mac':
> '00:16:3e:43:21:0b', 'frontend-id': '4', 'state': '1', 'online': '1',
> 'frontend': '/local/domain/4/device/vif/0', 'type': 'ioemu'} to
> /local/domain/0/backend/vif/4/0.
> [2010-03-13 20:19:52 1727] INFO (image:418) spawning device models:
> /usr/lib/xen/bin/qemu-dm ['/usr/lib/xen/bin/qemu-dm', '-d', '4',
> '-domain-name', 'syslog', '-videoram', '4', '-vnc', '0.0.0.0:0',
> '-vncunused', '-vcpus', '1', '-vcpu_avail', '1', '-append',
> 'root=/dev/xvda ro ', '-boot', 'dc', '-net',
> 'nic,vlan=1,macaddr=00:16:3e:43:21:0b,model=rtl8139', '-net',
> 'tap,vlan=1,ifname=tap4.0,bridge=xenbr0', '-M', 'xenfv']
> [2010-03-13 20:19:52 1727] INFO (image:467) device model pid: 4218
> [2010-03-13 20:19:53 1727] INFO (image:590) waiting for sentinel_fifo
> [2010-03-13 20:19:53 1727] DEBUG (XendDomainInfo:3400) Storing VM
> details: {'on_xend_stop': 'ignore', 'shadow_memory': '8', 'uuid':
> '42862e1d-8d7d-3dc6-ca74-2f67397b895d', 'on_reboot': 'restart',
> 'start_time': '1268540393.01', 'on_poweroff': 'destroy',
> 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash':
> 'restart', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1',
> 'bootloader': '', 'image': "(hvm (kernel ) (args 'root=/dev/xvda ro ')
> (superpages 0) (tsc_mode 0) (videoram 4) (hpet 0) (boot dc) (loader
> /usr/lib/xen-default/boot/hvmloader) (vpt_align 1) (xen_platform_pci
> 1) (vncunused 1) (rtc_timeoffset 0) (pci ()) (pae 1) (stdvga 0) (hap
> 1) (viridian 0) (acpi 0) (localtime 0) (timer_mode 1) (nographic 0)
> (guest_os_type default) (pci_msitranslate 1) (oos 1) (apic 0)
> (nomigrate 0) (device_model /usr/lib/xen/bin/qemu-dm) (pci_power_mgmt
> 0) (usb 0) (xauthority /root/.Xauthority) (isa 0) (display :1.0)
> (notes (SUSPEND_CANCEL 1)))", 'name': 'syslog'}
> [2010-03-13 20:19:53 1727] WARNING (image:552) domain syslog: device
> model failure: pid 4218: exited with nonzero status 1; see
> /var/log/xen/qemu-dm-syslog.log
> [2010-03-13 20:19:53 1727] DEBUG (XendDomainInfo:1804) Storing domain
> details: {'console/port': '3', 'description': '', 'console/limit':
> '1048576', 'store/port': '2', 'vm':
> '/vm/42862e1d-8d7d-3dc6-ca74-2f67397b895d', 'domid': '4',
> 'image/suspend-cancel': '1', 'cpu/0/availability': 'online',
> 'memory/target': '524288',
> 'control/platform-feature-multiprocessor-suspend': '1',
> 'store/ring-ref': '1044476', 'console/type': 'ioemu', 'name':
> 'syslog'}
> [2010-03-13 20:19:53 1727] WARNING (XendDomainInfo:2071) Domain has
> crashed: name=syslog id=4.
> [2010-03-13 20:19:53 1727] ERROR (XendDomainInfo:2205) VM syslog
> restarting too fast (Elapsed time: 0.929364 seconds). Refusing to
> restart to avoid loops.
> [2010-03-13 20:19:53 1727] DEBUG (XendDomainInfo:3053)
> XendDomainInfo.destroy: domid=4
> [2010-03-13 20:19:54 1727] DEBUG (DevController:95) DevController:
> writing {'state': '1', 'backend-id': '0', 'backend':
> '/local/domain/0/backend/console/4/0'} to
> /local/domain/4/device/console/0.
> [2010-03-13 20:19:54 1727] DEBUG (DevController:97) DevController:
> writing {'domain': 'syslog', 'frontend':
> '/local/domain/4/device/console/0', 'uuid':
> '067c7ee6-6cd8-affe-f73d-31d355aecd86', 'frontend-id': '4', 'state':
> '1', 'location': '3', 'online': '1', 'protocol': 'vt100'} to
> /local/domain/0/backend/console/4/0.
> [2010-03-13 20:19:55 1727] WARNING (XendDomainInfo:2071) Domain has
> crashed: name=syslog id=4.
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2411) Destroying device model
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2418) Releasing devices
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2424) Removing vif/0
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:1286)
> XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2424) Removing vbd/51712
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:1286)
> XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51712
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2424) Removing vbd/51744
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:1286)
> XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51744
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2424) Removing vkbd/0
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:1286)
> XendDomainInfo.destroyDevice: deviceClass = vkbd, device = vkbd/0
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2424) Removing vfb/0
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:1286)
> XendDomainInfo.destroyDevice: deviceClass = vfb, device = vfb/0
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:2424) Removing console/0
> [2010-03-13 20:19:55 1727] DEBUG (XendDomainInfo:1286)
> XendDomainInfo.destroyDevice: deviceClass = console, device =
> console/0
> 
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