[Bug 1287943] Re: vm-builder needs trusty suite

[Brian Candler]

I see hang at "Base system installed successfully" too, building Trusty
VM under Precise 64-bit.

Last three lines of ps auxwww are:

root     20430  0.1  0.0  40060  9716 pts/2    S+   10:36   0:00 /usr/bin/python /usr/bin/vmbuilder kvm ubuntu --suite trusty --hostname trusty --mem 512 --debug --dest /var/lib/libvirt/images/trusty
root     20432  0.0  0.0      0     0 pts/2    Z+   10:36   0:00 [debootstrap] <defunct>
root     31685  0.0  0.0   9892  1180 ?        Ss   10:37   0:00 udevd --daemon

There is a zombie debootstrap.

# pstree -s 20432
init───sshd───sshd───sshd───bash───sudo───bash───vmbuilder───debootstrap

# ps -o pid,ppid -C debootstrap
  PID  PPID
20432 20430

Same backtrace from ctrl-C:

^CTraceback (most recent call last):
  File "/usr/bin/vmbuilder", line 24, in <module>
    cli.main()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/contrib/cli.py", line 216, in main
    distro.build_chroot()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 83, in build_chroot
    self.call_hooks('bootstrap')
  File "/usr/lib/python2.7/dist-packages/VMBuilder/distro.py", line 67, in call_hooks
    call_hooks(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 165, in call_hooks
    getattr(context, func, log_no_such_method)(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/distro.py", line 136, in bootstrap
    self.suite.debootstrap()
  File "/usr/lib/python2.7/dist-packages/VMBuilder/plugins/ubuntu/dapper.py", line 269, in debootstrap
    run_cmd(*cmd, **kwargs)
  File "/usr/lib/python2.7/dist-packages/VMBuilder/util.py", line 113, in run_cmd
    fds = select.select([x.file for x in [mystdout, mystderr] if not x.closed], [], [])[0]
KeyboardInterrupt

So it's definitely a question of python waiting for data from the child,
but the child has gone away.

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Title:
  vm-builder needs trusty suite

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