[Bug 297143] [NEW] Xorg eats processor cycles while waiting for slow Internet

[Michael Doube]

Public bug reported:

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.

** Affects: thunderbird
     Importance: Undecided
         Status: New

** Affects: xorg-server
     Importance: Undecided
         Status: New

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: xorg-server
   Importance: Undecided
       Status: New

** Also affects: thunderbird
   Importance: Undecided
       Status: New

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Xorg eats processor cycles while waiting for slow Internet
https://bugs.launchpad.net/bugs/297143
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