[Bug 980917] Re: Failed to create pty - disabling logging for job

[James Hunt]

Hi Tim - the messages you are receiving are expected behaviour since
Upstart is signalling an error condition - the environment it expects is
not correct. Upstart currently expects /dev/pts to be mounted and the
/dev/ptmx device to exist by the time it starts. On Ubuntu, this is
currently handled by the initramfs. It is also possible from what you
say that your custom kernel does not have full pty support enabled? A
workaround for the messages is to boot with '--no-log' (see
http://upstart.ubuntu.com/cookbook/#command-line-options) with the
implication that all job output is discarded (as it used to be before
job logging was added to Upstart).

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https://bugs.launchpad.net/bugs/980917

Title:
  Failed to create pty - disabling logging for job

Status in “upstart” package in Ubuntu:
  Confirmed

Bug description:
  I believe this bug is in Upstart due to similar bug that was recently
  fixed:

  - https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/936667

  I am booting Ubuntu 12.04 LTS (x86) as a domU under Xen.  After the
  previous bug was fixed, I still received the errors but the system now
  boots which is an improvement.  During the boot process I see a few
  combinations of this error:

  ====
  init: Failed to create pty - disabling logging for job
  init: Temporary process spawn error: No such file or directory
  ====

  After those two stop, I see a few more of these errors:

  ====
  init: Failed to create pty - disabling logging for job
  ====

  The above error also prints if I type "poweroff" or "shutdown"

  This system's ultimate destiny is to operate using a custom-compiled
  Linux kernel that does not exist on the filesystem.  Both the Ubuntu-
  supplied Linux kernel and the custom-compiled Linux kernel are
  afflicted by this bug.

  Any suggestions would be greatly appreciated.

  -Tim

  //edit: added more details, edited for clarity.

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