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Witko / nvidia-xrun

Utility to run separate X with discrete nvidia graphics with full performance
GNU General Public License v2.0
488 stars 69 forks source link

nvidia-xrun-pm.service increases power consumption for startx #126

Open Waljakov opened 5 years ago

Waljakov commented 5 years ago

Hey, I am a little confused about the power consumption of my laptop when the nvidia-xrun-pm.service is enabled. Maybe I have misconception about it, but here is my problem: When using startx my laptop used to draw around 9-10 watts idle (source is tlp-stat). After I installed nvidia-xrun-git and enabled the service it draws around 14 watts idle, even though dedicated graphics are not active (it does not show in lspci). If i disable the service the power consumption of startx drops back to normal. Of course it makes sense to me that the power consumption is higher when I start a new session with nvidia-xrun because of the dedicated graphics card, but why does it affect startx? I thought the service is just to completly remove the graphics card from the kernel tree?

bfdddp commented 5 years ago

I have the same problem with you. nvidia-xrun worked well. lspci can not find nvidia card. but my laptop's battery only maintains one hour while had I disable nvidia-xrun.service, my laptop could have keep two hours more.