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Anchit Singh, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect -p xorg 1361209
Please ensure you have the package xdiagnose installed, and that you
click the Yes button for attaching additional debugging information.
When reporting bugs in the future please use apport by using 'ubuntu-
bug' and the name of the package affected. You can learn more about this
functionality at https://wiki.ubuntu.com/ReportingBugs.
** Package changed: xserver-xorg-video-intel (Ubuntu) => xorg (Ubuntu)
** Changed in: xorg (Ubuntu)
Importance: Undecided => Low
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1361209
Title:
Hybrid Graphics, overheating with fans running constantly
Status in xorg package in Ubuntu:
Incomplete
Bug description:
I have a Dell Inspiron 3521 with AMD/Intel hybrid graphics.
OS - Ubuntu 14.04.1 (Linux kernel 3.13.0)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7500M/7600M Series] (rev ff)
sudo cat /sys/kernel/debug/vgaswitcheroo/switch
0:IGD:+:Pwr:0000:00:02.0
1:DIS: :DynOff:0000:01:00.0
Fan runs constantly, and battery backup is maximum 2 hours or even
less sometimes using the open-source drivers.
I have posted a similar info for xserver-xorg-video-ati because I found a bug report #1304912.
But recently I installed fglrx drivers to see if I get better results and changed the driver in use to Intel from the Catalyst-Control-Center.
The observation I made was that the problem persisted even when only the intel drivers were in use.
So there could be problem with xserver-xorg-video-intel as the discrete graphics card is shown to be dynamically off.
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