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[Bug Watch Updater <297143@xxxxxxxxxxxxxxxxxx>]

** Changed in: firefox
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/297143

Title:
  Xorg eats processor cycles while waiting for slow Internet

Status in The Mozilla Firefox Browser:
  Confirmed
Status in Mozilla Thunderbird Mail and News:
  New
Status in X.Org X server:
  Invalid
Status in xorg package in Ubuntu:
  Invalid

Bug description:
  Top shows that xorg is using >40% of CPU when there's no reason for it
  to be doing so.

  High CPU usage by xorg seems to be associated with slow/flaky
  Internet, e.g. slow sending of email with Thunderbird or slow loading
  of Launchpad in Firefox over a WiFi connection.  It seems like xorg
  goes mental until it receives notification that the Internet transfer
  has completed successfully.  At least Thunderbird and Firefox are
  involved, wget doesn't cause the same problem.

  I'm using an up-to-date Hardy (64-bit) on a Sony Vaio SZ650 (intel 965
  graphics) and iwlagn / iwl4965 WiFi.

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