[Bug 1088023] Re: aptitude does not run in background

[Edward Donovan]

Hi -

The title says aptitude, but the example is apt-get.  Since they're
different programs.  I guess I'll change the title to apt-get, for
clarity.


** Summary changed:

- aptitude does not run in background
+ apt-get does not run in background

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Title:
  apt-get does not run in background

Status in “apt” package in Ubuntu:
  New

Bug description:
  On Ubuntu 12.04.1, with apt-0.8.16~exp12ubuntu10.6

  When I run a script that does
     ...
     sudo apt-get -y install cmake

  in the background, apt-get hangs.  ps -augx | grep apt shows

  root     20603  0.9  0.4  38000 29044 pts/1    T    10:14   0:01 apt-
  get -y install cmake

  Attaching with gdb and doing 'bt' says:

  #0  0xb775b1b2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
  #1  0xb74473c3 in __read_nocancel () at ../sysdeps/unix/syscall-template.S:82
  #2  0xb76ef403 in pkgDPkgPM::DoStdin(int) ()
     from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12
  #3  0xb76f809e in pkgDPkgPM::Go(int) ()
     from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12
  #4  0xb767e94a in pkgPackageManager::DoInstallPostFork(int) ()
     from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12
  #5  0xb767e9b0 in pkgPackageManager::DoInstall(int) ()
     from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12

  Googling for DoStdin found that this has an upstream bug report
  already:

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=555632

  Workaround is to redirect stdin.

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