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[Bug 1311402] [NEW] Totem playin DVD fullscreen causes CPU to overheat


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I play a DVD in full screen mode on my large monitor (2560 x 1440 pixels). The CPU temperature quickly rises from about 50 degrees Celsius to 80 degrees, causing the fan to run at full speed (which is noisy and irritating). 
Running "top" shows that Totem is only using about 25% to 30% CPU. CPU is running in Conservative mode at 800MHz (36% of full speed).

This behaviour does not occur in full screen mode on my smaller monitor
(1280 x 1024). Neither does it occur when I use another media player
(VLC) to play the DVD full screen. I have removed totem from my system
as VLC does not exhibit this bug.

Ubuntu version is 14.04 (64 bit desktop edition)

Package version is as follows

  Installed: (none)
  Candidate: 3.10.1-1ubuntu4
  Version table:
     3.10.1-1ubuntu4 0
        500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status

Computer is an Acer Aspire 5749 laptop with 8GB of RAM and an Intel Core
i3-2330M processor

Graphics hardware is as follows (reported by sudo lshw -C display)
       description: VGA compatible controller
       product: 2nd Generation Core Processor Family Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:42 memory:c0000000-c03fffff memory:b0000000-bfffffff ioport:4000(size=64)

** Affects: linux (Ubuntu)
     Importance: Low
         Status: New

Totem playin DVD fullscreen causes CPU to overheat
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