Questions related to switching GPUs using vgaswitcheroo on hybrid graphics systems.

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3answers
733 views

vgaswitcheroo on macbook 8,2: blank screen while switching from DIS to IGD

I followed this how-to to get vgaswitcheroo working on my macbook 8,2: How to switch between Gfx cards on Macbook Pro 15" 8.2 I can boot directly from refind (bypassing grub); and I get X ...
3
votes
2answers
2k views

vgaswitcheroo not available on cold boot, only after restart

I am running the new Ubuntu 12.04 64-bit release on my MSI CX420 laptop. It has 2 GPUs, an ATI and an Intel integrated one. So my problem is that, whenever I start my laptop for the first time, ...
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votes
1answer
1k views

AMD/AMD GPU Switching

I have two GPU's in my laptop, both of which are AMD. Whenever I use the Catalyst Control Centre to change the GPU, nothing changes after reboot. In fact, when I do the fglrxinfo command the ...
3
votes
1answer
717 views

How to disable the discrete gpu? I get 'Kernel failure' with the normal method

I have notebook hp dm3-2015er with two graphic cards. $ lspci | grep VGA 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS880M [Mobility Radeon HD 4225/4250] 02:00.0 VGA ...
3
votes
1answer
2k views

How can I disable one Graphics card/GPU on my system? (Interchangeable graphics involved)

The problem I have is this: I have a DELL laptop with 2 GPUs, an Intel integrated and high performance of AMD Radeon HD a 6470m, but Ubuntu does not detect it. However, the two are active at the same ...
2
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1answer
2k views

vga_switcheroo and Intel HD 3000 on Ubuntu 12.04

I'm trying to get vga_switcheroo to enable my integrated Intel HD 3000 instead of my ATI card. My problem is that there is no vgaswitcheroo directory in /sys/kernel/debug/ on my system. > grep -i ...
2
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1answer
3k views

HybridGraphics vga_switcheroo switch to intel at boot

How can I do that? I have followed this https://help.ubuntu.com/community/HybridGraphics but it didn't work I'm getting the error at boot that the /sys/kernel/debug/vgaswitcheroo/switch don't exist ...
1
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1answer
2k views

vgaswitcheroo doesn't work on 14.04 - discrete Radeon always on, Dell Vostro 3350

I've a following problem - I've just upgraded from 13.10 to 14.04 on my Dell Vostro 3350 and I can't turn off the discrete graphics. As instructed here and following HybridGraphics I managed to ...
0
votes
1answer
564 views

Ubuntu 13.10 64bit does not detect intel graphic card!

I have installed ubuntu 13.10 64bit on my laptop. The problem I have is high gpu temperature and I want to switch to my Intel graphic card but my system just detects Nvidia card. Here is my CPU link ...
0
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1answer
166 views

Switcheroo gone after last update

since the last kernel update for Ubuntu 13.04, the folder /sys/kernel/debug/vgaswitcheroo/switch is gone on my Laptop, an Acer Aspire 3820TG. Checking the output of grep -i /boot/config-* tells me ...
0
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1answer
324 views

About output of vga_switcher

When IGD and DIS both exist in my pc,and I want to disable DIS,so I create a service to switch on and off the DIS.It works.Finally,I decide to add the service command into /etc/rc.local so that DIS ...
0
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1answer
3k views

vgaswitcheroo isn't working in Ubuntu 12.04

I always used vgaswitcheroo to turn off my discrete graphic, I did a script to turn off in boot, but now, vgaswitcheroo isn't working anymore, I don't know why... look ...
3
votes
0answers
967 views

Thinkpad T530 with Optimus and Docking Station

I have a Lenovo Thinkpad T530 with Optimus video, which is not supported on 12.04.1. I don't normally need the discrete (nVidia) graphics, so I turn it off in the BIOS settings to achieve longer ...
2
votes
0answers
3k views

hdmi audio works only with aplay -D alsa test wavs; open source radeon drivers; kernel 3.5 vgaswitcheroo

I've trolled the internets to make hdmi work on my system Ubuntu 12.04. software center kernel 3.5 uname: Linux ubuntu 3.5.0-18-generic #29~precise1-Ubuntu SMP...x86_64 x86_64 x86_64 ...
2
votes
0answers
531 views

vgaswitcheroo + ATI radeon driver

I want both vgaswitcheroo and ati driver on same machine. vgaswitcheroo is good at powersaving while I also want powerful processing too. Most of the time I switch between powersave and performance ...
2
votes
0answers
568 views

Radeon HD + vgaswitcheroo

I have a Hp Envy4 1025tx machine. I've tried vgaswitcheroo and amdcccle. I'm happy with Vgaswitcheroo powersaving efficiency and amdcccle's performance. I want both of them on my system. Is there a ...
1
vote
0answers
202 views

Can't switch to Discrete GPU Hybrid Graphics ATI/intel

Just recently I had got my hybrid graphics working with DRI_PRIME=1. I obviously have the open source drivers. Now for some reason that I can't figure out it has stopped working. xrandr ...
1
vote
0answers
113 views

UVD not responding; ATI/Intel Hybrid after upgrade to 13.04 and turning off ATI

First of all I am totally new to Ubuntu and Linux so I am still trying to learn commands and basics. My laptop is an Acer 4820TG with a hybrid Intel onboard and a ATI radeon mobility HD5650. ...
1
vote
0answers
667 views

VGA switcheroo doesn't work on 14.04 intel/ati acer 5820TG

Before I updated from 13.10 to 14.04, vga switcheroo worked fine, using the free radeon-driver. Now vga switcheroo doesn't work anymore/doesn't take effect: cat /sys/kernel/debug/vgaswitcheroo/switch ...
1
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0answers
171 views

Command on Hibernate 13.04

Now I am currently fiddling with switcheroo on my laptop and am slowly figuring it out. Though I seem to be hitting a hiccup when it comes to hibernation. Upon hibernating and waking the laptop back ...
1
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0answers
1k views

Use vga switcheroo on MacBook Pro 8,2?

I have used the instructions provided by tomodachi here to get EFI kernel stub booting working properly. The Radeon card is now properly initialized and lspci is showing both graphics cards, which is ...
0
votes
0answers
21 views

How to reinitialize processor for /sys and disable integrated graphics

I have upgraded my laptop from Intel Pentium P6100 to Core i5-460M. i5 supports Turbo Boost. To switch this I need to do: echo 0 or 1 > /sys/devices/system/cpu/cpufreq/boost But my System ...
0
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0answers
29 views

vgaswitcheroo in Xubuntu 14.04

I have a hybrid graphics system and I’ve been trying to make my discrete ati graphics card to work but I was never able to. I've tried installing fglrx but noticed that there is a bug in my case so I ...
0
votes
0answers
97 views

Where can I find vgaswitcheroo

I know its dupe and may seem dumb but Im a bit noob with linux. Basically my problem is that I can not locate the /sys/kernel/debug/vgaswitcheroo/switch folder. (And therefore can't use my HDMI ...
0
votes
0answers
175 views

How to choose the VGA when setting up the X Server?

I have 2 options of VGA: lspci | grep VGA 00:02.0 VGA compatible controller: Cirrus Logic GD 5446 00:03.0 VGA compatible controller: NVIDIA Corporation GK104GL [GRID K520] (rev a1) It's an instance ...
0
votes
0answers
70 views

vgaswitcheroo on desktop

I'm using a desktop setup with Ivy Bridge motherboard, monitor connected with Thunderbolt and switching to discrete GPU with the commercial product LucidLogix Virtu on windows. Are there any ...
0
votes
0answers
108 views

hybrid_boot_options intramfs script errors (hybrid graphics)

I have a laptop with hybrid graphics and I want to use just the integrated VGA to reduce heating and power consumption. I followed the instructions here to do that, however, although the laptop is ...
0
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0answers
133 views

Two radeons switcheroo just doesn't work

I've trying to get this to work for a couple weeks now. Most of what I've found involves one Intel and one Radeon. My laptop has two radeons and both are powered on at boot for some reason causing ...