[Bug 1052323] Re: [regression][lucid] system frequently reboots after update in august 2012, path via rtkit and AptDaemon

[jan]

** Changed in: aptdaemon (Ubuntu)
       Status: Invalid => New

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Title:
  [regression][lucid] system frequently reboots after update in august
  2012, path via rtkit and AptDaemon

Status in Linux Kernel Bugs:
  New
Status in RealtimeKit:
  New
Status in “aptdaemon” package in Ubuntu:
  New

Bug description:
  My two lucid (LTS- long term support) systems now display recent reboots.
  I suspect the  kernel upgrade that was released end august 2012, but I an not sure.
  During the time of the reboot, the system was doing calculations in and atd/cron job.
  The signature of the reboots is as follows:
  1) rtkit-daemon starts logging that some processes become RT.
  2) after about 1 minute AptDaemon: INFO: Initializing daemon
  3) after about 5 minutes  AptDaemon: INFO: Quiting due to inactivity
  4) then, after about 30 - 60 minutes, I see the system reboot.

  This is a regression: I did not see this before.
  I have worked around by booting with acpi=off

   uname -a
  2.6.32-42-generic-pae #96-Ubuntu SMP Wed Aug 15 19:12:17 UTC 2012 i686 GNU/Linux

  
  logging from daemon.log:

  Sep  2 18:59:11 his10 rtkit-daemon[1876]: Sucessfully made thread 8119 of process 8119 (n/a) owned by '1002' high priority at nice level -11.
  Sep  2 18:59:11 his10 rtkit-daemon[1876]: Supervising 12 threads of 4 processes of 4 users.
  Sep  2 18:59:15 his10 rtkit-daemon[1876]: Sucessfully made thread 8134 of process 8119 (n/a) owned by '1002' RT at priority 5.
  Sep  2 18:59:15 his10 rtkit-daemon[1876]: Supervising 13 threads of 4 processes of 4 users.
  Sep  2 18:59:15 his10 rtkit-daemon[1876]: Sucessfully made thread 8135 of process 8119 (n/a) owned by '1002' RT at priority 5.
  Sep  2 18:59:15 his10 rtkit-daemon[1876]: Supervising 14 threads of 4 processes of 4 users.
  Sep  2 18:59:16 his10 rtkit-daemon[1876]: Sucessfully made thread 8137 of process 8119 (n/a) owned by '1002' RT at priority 5.
  Sep  2 18:59:16 his10 rtkit-daemon[1876]: Supervising 15 threads of 4 processes of 4 users.
  Sep  2 18:59:16 his10 rtkit-daemon[1876]: Sucessfully made thread 8138 of process 8138 (n/a) owned by '1002' high priority at nice level -11.
  Sep  2 18:59:16 his10 rtkit-daemon[1876]: Supervising 16 threads of 5 processes of 4 users.
  Sep  2 19:00:14 his10 AptDaemon: INFO: Initializing daemon
  Sep  2 19:05:15 his10 AptDaemon: INFO: Quiting due to inactivity
  Sep  2 19:05:15 his10 AptDaemon: INFO: Shutdown was requested

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