[Bug 1007898] Re: Update Manager window often freezes and is invisible when computer is left on for a while

[Thomas Majewski]

Exact same problem on my Toshiba L300D system running 12.04.  An update
icon appears showing upgrades available but icon does not respond if
clicked.  Current workaround is to kill update-manager and relaunch it
from a terminal.

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Title:
  Update Manager window often freezes and is invisible when computer is
  left on for a while

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  I have a System76 Serval Pro (serp7) and very often Update Manager
  will hang on it. This happens when I leave the computer on for a day
  and the periodic check for updates occurs. When I come back the next
  day, I can see in the Unity launcher that Update Manager is open with
  pending updates, but I often cannot switch to it. Clicking on it in
  the launcher does nothing, nor does using Alt+Tab to select it. If I
  minimize all other windows, Update Manager is still nowhere to be
  seen. It is also not visible in Compiz Scale. To fix the problem I
  have to manually kill the process and re-run it.

  I have multiple Ubuntu computers but I only experience this issue on
  this one.

  I have checked the process stack traces but there does not seem to be
  an obvious hang:

  (gdb) thread apply all bt

  Thread 3 (Thread 0x7f687c24f700 (LWP 7796)):
  #0  0x00007f6883b37b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
  #1  0x00007f6882c1eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f6882c1f45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007f687ca9098b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
  #4  0x00007f6882c409a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007f6884d51e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
  #6  0x00007f6883b434bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
  #7  0x0000000000000000 in ?? ()

  Thread 2 (Thread 0x7f687a9dd700 (LWP 7797)):
  #0  0x00007f6883b37b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
  #1  0x00007f6882c1eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f6882c1f45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007f68825482c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  #4  0x00007f6882c409a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #5  0x00007f6884d51e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
  #6  0x00007f6883b434bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
  #7  0x0000000000000000 in ?? ()

  Thread 1 (Thread 0x7f6885162700 (LWP 7789)):
  #0  0x00007f6883b37b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
  #1  0x00007f6882c1eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #2  0x00007f6882c1f45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007f6880e4632d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
  #4  0x00007f688227ca14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
  #5  0x00007f688227c435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
  #6  0x00007f6883124a59 in ?? () from /usr/lib/libgirepository-1.0.so.1
  #7  0x00007f6883125e0e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1
  #8  0x00007f688335ed48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so
  #9  0x000000000042ecbc in PyEval_EvalFrameEx ()
  #10 0x00000000004317f2 in PyEval_EvalCodeEx ()
  #11 0x000000000042a998 in PyEval_EvalFrameEx ()
  #12 0x000000000042abe2 in PyEval_EvalFrameEx ()
  #13 0x00000000004317f2 in PyEval_EvalCodeEx ()
  #14 0x000000000054b171 in PyRun_FileExFlags ()
  #15 0x000000000054b7d8 in PyRun_SimpleFileExFlags ()
  #16 0x000000000054c5d6 in Py_Main ()
  #17 0x00007f6883a7276d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
  #18 0x000000000041b931 in _start ()
  (gdb)

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.4
  ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
  Uname: Linux 3.2.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu8
  Aptdaemon:
   
  Architecture: amd64
  Date: Sat Jun  2 10:55:07 2012
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1338647817
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 621
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to precise on 2012-04-28 (35 days ago)

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