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[Launchpad Bug Tracker <1426490@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package cups - 2.0.2-1ubuntu3.2

---------------
cups (2.0.2-1ubuntu3.2) vivid-proposed; urgency=medium

  * debian/patches/cups-busy-loop.patch: Fixed scheduler sometimes
    getting caught in a busy loop (LP: #1426490, CUPS STR #4605).

 -- Till Kamppeter <till.kamppeter@xxxxxxxxx>  Fri, 12 Jun 2015 13:18:01
-0300

** Changed in: cups (Ubuntu Vivid)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1426490

Title:
  cups 2.0.2-1 100% cpu usage

Status in cups package in Ubuntu:
  Fix Released
Status in cups source package in Vivid:
  Fix Released

Bug description:
  upgraded from xubuntu 14.10 to 15.04 and now it uses cups 2.x
  after every print cupsd starts using 100% cpu and don't close.
  have to kill it every time with "sudo pkill cupsd"
  printing still works fine

  [Impact]

  CUPS 2.0.x can suddenly take 100% CPU in certain situations, making
  the system slow and producing fan noise.

  [Test Case]

  After printing a job cupsd takes 100% CPU. This does not occur for all
  users, probably depends on queue type and on timing (computer/network
  speed).

  With the proposed package the problem does not occur any more.

  [Regression Potential]

  Very low. The patch is very simple.

  
  Description:	Ubuntu Vivid Vervet (development branch)
  Release:	15.04

  cups:
    Installiert:           2.0.2-1ubuntu3
    Installationskandidat: 2.0.2-1ubuntu3
    Versionstabelle:
   *** 2.0.2-1ubuntu3 0
          500 http://de.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

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