Switching from integrate GPU to discrete GPU will cause amdcccle disappear

[Po-Hsu Lin]

CID: 201305-13637 Dell Inspiron 5737

I can switch from the discrete GPU to the integrated one by using the amdcccle without any problem, but after switching back to the discrete GPU, I found that this system still using the integrated GPU, and the amdcccle is disappered from the unity dash search.

Steps:
1. Install 14.04.1 + fglrx, reboot
2. Make sure that the system is now using the discrete GPU, and switch to the integrated GPU by using the amdcccle, reboot.
3. Make sure that the system is now using the integrated GPU, and switch to the discrete GPU by using the amdcccle, reboot.

Expected result:
* Could switch between these two GPUs without any problem.

Actual reuslt:
* After step 3, amdcccle is gone, and from the unity_support_test indicates that it's still running with the integrated GPU

ubuntu@201305-13637:~$ /usr/lib/nux/unity_support_test -c -p
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
OpenGL version string: 3.0 Mesa 10.1.3

Not software rendered: yes
Not blacklisted: yes
GLX fbconfig: yes
GLX texture from pixmap: yes
GL npot or rect textures: yes

Compiz supported: yes

If you run the amdcccle from /usr/lib/fglrx/bin/amdcccle, it will tell you that the driver is not installed or it's not functioning.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-32-generic 3.13.0-32.57 [modified: boot/vmlinuz-3.13.0-32-generic]
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ubuntu 1427 F.... pulseaudio
 /dev/snd/controlC1: ubuntu 1427 F.... pulseaudio
CurrentDesktop: Unity
CurrentDmesg:
 [ 16.797470] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
 [ 18.454949] usb 1-1.5: New USB device found, idVendor=0cf3, idProduct=0036
 [ 18.454954] usb 1-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Date: Thu Dec 25 05:11:08 2014
HibernationDevice: RESUME=UUID=3f2e60f4-0c21-4a0a-8417-7fb163c05e1b
InstallationDate: Installed on 2014-12-25 (0 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: Dell Inc. Inspiron 5737
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=866396a7-19a9-4076-b387-3dbce71d4572 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-32-generic N/A
 linux-backports-modules-3.13.0-32-generic N/A
 linux-firmware 1.127.5
SourcePackage: linux
StagingDrivers: rts5139
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/30/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 045YHR
dmi.board.vendor: Dell Inc.
dmi.board.version: X01
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A08
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd04/30/2014:svnDellInc.:pnInspiron5737:pvrA08:rvnDellInc.:rn045YHR:rvrX01:cvnDellInc.:ct8:cvrA08:
dmi.product.name: Inspiron 5737
dmi.product.version: A08
dmi.sys.vendor: Dell Inc.

[Brad Figg (brad-figg)]

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