[Bug 915158] Re: Process is not closing

[Sworddragon]

I have found a command which will cause a process to turn into a zombie
process:

dash -c '(sleep 3 & sleep 6)'

If "sleep 3" finishes it will turn into a zombie process and only close
if "sleep 6" finishes. With bash all is working fine (but bash is
creating "bash -c (sleep 3 & sleep 6)" 2 times) but the most
applications are using sh (which is a symlink to dash).

** Package changed: bash (Ubuntu) => dash (Ubuntu)

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https://bugs.launchpad.net/bugs/915158

Title:
  Process is not closing

Status in “dash” package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu 12.04 dev and sometimes I'm seeing zombie processes
  which are using no virtual memory and not closing. They will only
  close if their parent process closes. For example if I start
  lxterminal and opening htop I will see that there are 2 lxterminal
  processes. One normal process and one forked process which is a
  zombie. The same happens sometimes with lxdm-binary if I login into my
  desktop. In the attachments is a screenshot from such processes.

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