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Re: [Xen-users] xenconsole: Could not read tty from store: No such file

from [Alex Iribarren] [Permanent Link][Original]
To: "Luke S. Crawford" <lsc@xxxxxxxxx>
Subject: Re: [Xen-users] xenconsole: Could not read tty from store: No such file or directory
From: Alex Iribarren <Alex.Iribarren@xxxxxxx>
Date: Thu, 18 Jan 2007 14:42:22 +0100
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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This sounds very familiar. :)

AFAIK, xenconsole doesn't work with HVM domains, yet.

What I usually do is set nographic=0 and make sure I have X11 forwarding
activated. Alternatively, you can also use SDL or VNC, but I've never
gotten it working: the VGA console is enough for me to make sure it's
working the first time, and afterwards I turn it off and just use ssh.

Cheers,
Alex

Luke S. Crawford wrote:
> 
> I am getting the following error when trying to start a hvm domain:
> 
>> xm create -c vm1.hvm
> Using config file "vm1.hvm".
> Started domain VM1-64
> xenconsole: Could not read tty from store: No such file or directory
> 
> I read elsewhere that this means the domain crashed;  it's still in 'xm
> list' until I destroy it:
> 
>  xm list
> Name                                      ID Mem(MiB) VCPUs State Time(s)
> Domain-0                                   0     1249     8 r----- 83.9
> VM1-64                                    10      512     1 ------ 0.0
> 
> but it sits as 0.0 cpu time, so it's clearly not starting up.
> 
> 
> I am using Xen-3.0.3_0 / linux  2.6.16.29 in 64-bit mode for the Dom0
> 
> (it has a RHEL4 userland)
> 
> 
> Does anyone have any ideas where to look for better logging?  I'm pretty
> sure my cdrom iso works fine, as I use the same thing with normal qemu
> (the point of this excersize is to speed up systemimager installs that
> are currently being done with qemu)
> 
> does anyone have any ideas? can someone verify my config?  It's possible
> I'm missing some prerequisites (I installed using the binary tarball
> downloaded from xensource)  are there logfiles I should be consulting
> that I don't know about?
> 
> my xm config file looks like this:
> kernel = "/usr/lib/xen/boot/hvmloader"
> device_model = '/usr/lib64/xen/bin/qemu-dm.debug'
> builder='hvm'
> memory = 512
> shadow_memory = 8
> vcpus=1
> vif = [ 'type=ioemu, bridge=xenbr0' ]
> nographic=1
> sdl=0
> serial='pty'
> name = "VM1-64"
> disk = ['file:/root/disk.iso,hdb:cdrom,w','phy:/dev/sda5,hda,w']
> boot='d'
> on_poweroff = 'destroy'
> on_crash    = 'restart'
> 
> 
> 
> 
> 
> 
> my xend-debug.log is not saying anything, and my xend.log looks like this:
> 
> [2007-01-17 20:45:28 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:190) XendDomainInfo.create(['vm', ['name', 'VM1-64'],
> ['memory', 512], ['shadow_memory', 8], ['on_poweroff', 'destroy'],
> ['on_crash', 'restart'], ['vcpus', 1], ['image', ['hvm', ['kernel',
> '/usr/lib/xen/boot/hvmloader'], ['device_model',
> '/usr/lib64/xen/bin/qemu-dm.debug'], ['vcpus', 1], ['boot', 'd'],
> ['serial', 'pty'], ['nographic', 1], ['vncunused', 1], ['xauthority',
> '/root/.Xauthority']]], ['device', ['vbd', ['uname',
> 'file:/root/disk.iso'], ['dev', 'hdb:cdrom'], ['mode', 'w']]],
> ['device', ['vbd', ['uname', 'phy:/dev/sda5'], ['dev', 'hda'], ['mode',
> 'w']]], ['device', ['vif', ['bridge', 'xenbr0'], ['type', 'ioemu']]]])
> [2007-01-17 20:45:28 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:296) parseConfig: config is ['vm', ['name', 'VM1-64'],
> ['memory', 512], ['shadow_memory', 8], ['on_poweroff', 'destroy'],
> ['on_crash', 'restart'], ['vcpus', 1], ['image', ['hvm', ['kernel',
> '/usr/lib/xen/boot/hvmloader'], ['device_model',
> '/usr/lib64/xen/bin/qemu-dm.debug'], ['vcpus', 1], ['boot', 'd'],
> ['serial', 'pty'], ['nographic', 1], ['vncunused', 1], ['xauthority',
> '/root/.Xauthority']]], ['device', ['vbd', ['uname',
> 'file:/root/disk.iso'], ['dev', 'hdb:cdrom'], ['mode', 'w']]],
> ['device', ['vbd', ['uname', 'phy:/dev/sda5'], ['dev', 'hda'], ['mode',
> 'w']]], ['device', ['vif', ['bridge', 'xenbr0'], ['type', 'ioemu']]]]
> [2007-01-17 20:45:28 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:395) parseConfig: result is {'shadow_memory': 8, 'uuid':
> None, 'on_crash': 'restart', 'on_reboot': None, 'localtime': None,
> 'image': ['hvm', ['kernel', '/usr/lib/xen/boot/hvmloader'],
> ['device_model', '/usr/lib64/xen/bin/qemu-dm.debug'], ['vcpus', 1],
> ['boot', 'd'], ['serial', 'pty'], ['nographic', 1], ['vncunused', 1],
> ['xauthority', '/root/.Xauthority']], 'on_poweroff': 'destroy',
> 'bootloader_args': None, 'cpus': None, 'name': 'VM1-64', 'backend': [],
> 'vcpus': 1, 'cpu_weight': None, 'features': None, 'vcpu_avail': None,
> 'memory': 512, 'device': [('vbd', ['vbd', ['uname',
> 'file:/root/disk.iso'], ['dev', 'hdb:cdrom'], ['mode', 'w']]), ('vbd',
> ['vbd', ['uname', 'phy:/dev/sda5'], ['dev', 'hda'], ['mode', 'w']]),
> ('vif', ['vif', ['bridge', 'xenbr0'], ['type', 'ioemu']])],
> 'bootloader': None, 'cpu': None, 'maxmem': None}
> [2007-01-17 20:45:28 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:1253) XendDomainInfo.construct: None
> [2007-01-17 20:45:28 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:1285) XendDomainInfo.initDomain: 9 1.0
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: boot, val: d
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: fda, val: None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: fdb, val: None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: soundhw, val: None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: localtime, val:
> None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: serial, val: pty
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: std-vga, val: None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: isa, val: None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: vcpus, val: 1
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: acpi, val: None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: usb, val: None
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:320) args: usbdevice, val:
> None
> [2007-01-17 20:45:28 xend 5003] DEBUG (balloon:127) Balloon: 777088 KiB
> free; need 546000; done.
> [2007-01-17 20:45:28 xend 5003] INFO (image:136) buildDomain os=hvm
> dom=9 vcpus=1
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:274) dom            = 9
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:275) image          =
> /usr/lib/xen/boot/hvmloader
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:276) store_evtchn   = 1
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:277) memsize        = 512
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:278) vcpus          = 1
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:279) pae            = 0
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:280) acpi           = 0
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:281) apic           = 0
> [2007-01-17 20:45:28 xend 5003] DEBUG (image:409) hvm shutdown watch
> registered
> [2007-01-17 20:45:29 xend 5003] DEBUG (blkif:24) exception looking up
> device number for hdb: [Errno 2] No such file or directory: '/dev/hdb'
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:110) DevController:
> writing {'backend-id': '0', 'virtual-device': '832', 'device-type':
> 'cdrom', 'state': '1', 'backend': '/local/domain/0/backend/vbd/9/832'}
> to /local/domain/9/device/vbd/832.
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:112) DevController:
> writing {'domain': 'VM1-64', 'frontend':
> '/local/domain/9/device/vbd/832', 'dev': 'hdb', 'state': '1', 'params':
> '/root/disk.iso', 'mode': 'w', 'online': '1', 'frontend-id': '9',
> 'type': 'file'} to /local/domain/0/backend/vbd/9/832.
> [2007-01-17 20:45:29 xend 5003] DEBUG (blkif:24) exception looking up
> device number for hda: [Errno 2] No such file or directory: '/dev/hda'
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:110) DevController:
> writing {'backend-id': '0', 'virtual-device': '768', 'device-type':
> 'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/9/768'} to
> /local/domain/9/device/vbd/768.
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:112) DevController:
> writing {'domain': 'VM1-64', 'frontend':
> '/local/domain/9/device/vbd/768', 'dev': 'hda', 'state': '1', 'params':
> '/dev/sda5', 'mode': 'w', 'online': '1', 'frontend-id': '9', 'type':
> 'phy'} to /local/domain/0/backend/vbd/9/768.
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:110) DevController:
> writing {'state': '1', 'backend-id': '0', 'backend':
> '/local/domain/0/backend/vif/9/0'} to /local/domain/9/device/vif/0.
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:112) DevController:
> writing {'bridge': 'xenbr0', 'domain': 'VM1-64', 'handle': '0',
> 'script': '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend':
> '/local/domain/9/device/vif/0', 'mac': '00:16:3e:74:01:cc', 'online':
> '1', 'frontend-id': '9', 'type': 'ioemu'} to
> /local/domain/0/backend/vif/9/0.
> [2007-01-17 20:45:29 xend 5003] INFO (image:392) spawning device models:
> /usr/lib64/xen/bin/qemu-dm.debug ['/usr/lib64/xen/bin/qemu-dm.debug',
> '-d', '9', '-m', '512', '-boot', 'd', '-serial', 'pty', '-vcpus', '1',
> '-domain-name', 'VM1-64', '-net',
> 'nic,vlan=1,macaddr=00:16:3e:46:1f:fe,model=rtl8139', '-net',
> 'tap,vlan=1,bridge=xenbr0', '-nographic']
> [2007-01-17 20:45:29 xend 5003] INFO (image:394) device model pid: 11269
> [2007-01-17 20:45:29 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:712) Storing VM details: {'shadow_memory': '8', 'uuid':
> '76519a09-6b1a-e633-6c77-3f208b529b17', 'on_reboot': 'restart',
> 'start_time': '1169095529.21', 'on_poweroff': 'destroy', 'name':
> 'VM1-64', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1',
> 'memory': '512', 'on_crash': 'restart', 'image': '(hvm (kernel
> /usr/lib/xen/boot/hvmloader) (device_model
> /usr/lib64/xen/bin/qemu-dm.debug) (vcpus 1) (boot d) (serial pty)
> (nographic 1) (vncunused 1) (xauthority /root/.Xauthority))', 'maxmem':
> '512'}
> [2007-01-17 20:45:29 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:747) Storing domain details: {'console/port': '2',
> 'name': 'VM1-64', 'console/limit': '1048576', 'vm':
> '/vm/76519a09-6b1a-e633-6c77-3f208b529b17', 'domid': '9',
> 'cpu/0/availability': 'online', 'memory/target': '524288',
> 'store/ring-ref': '298721', 'store/port': '1'}
> [2007-01-17 20:45:29 xend 5003] DEBUG (image:432) hvm_shutdown fired,
> shutdown reason=None
> [2007-01-17 20:45:29 xend.XendDomainInfo 5003] DEBUG
> (XendDomainInfo:933) XendDomainInfo.handleShutdownWatch
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:143) Waiting for
> devices vif.
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:149) Waiting for 0.
> [2007-01-17 20:45:29 xend 5003] DEBUG (DevController:464)
> hotplugStatusCallback /local/domain/0/backend/vif/9/0/hotplug-status.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:464)
> hotplugStatusCallback /local/domain/0/backend/vif/9/0/hotplug-status.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:478)
> hotplugStatusCallback 1.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:143) Waiting for
> devices usb.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:143) Waiting for
> devices vbd.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:149) Waiting for 832.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:464)
> hotplugStatusCallback /local/domain/0/backend/vbd/9/832/hotplug-status.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:478)
> hotplugStatusCallback 1.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:149) Waiting for 768.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:464)
> hotplugStatusCallback /local/domain/0/backend/vbd/9/768/hotplug-status.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:478)
> hotplugStatusCallback 1.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:143) Waiting for
> devices irq.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:143) Waiting for
> devices pci.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:143) Waiting for
> devices ioports.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:143) Waiting for
> devices tap.
> [2007-01-17 20:45:31 xend 5003] DEBUG (DevController:143) Waiting for
> devices vtpm.
> [2007-01-17 20:45:31 xend 5003] INFO (XendDomain:370) Domain VM1-64 (9)
> unpaused.
> 
> 
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