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#1 2014-08-29 07:50:29

heruur
Member
Registered: 2014-08-29
Posts: 3

suspend with bumbebee/bbswitch on Thinkpad T440P

I have sucessfully installed bumblebee and bbswitch. One thing that isn't working now is the power management of the laptop. If I try to suspend/restart/shutdown, it instead just hangs.

I tried a couple of things to narrow the problem down, but come to a dead end. What I've tried so far:
no bumblebee and card enabled: works
bo bumblebee and card disabled: freezes
bumblebee and card enabled: freezes
bumblebee and card disabled: freezes
bumblebee and bbswitch unloaded: works

I also set the following in /etc/bumblebee/bumblebee.conf

TurnCardOffAtExit=false

And enabled the following systemd service:

[Unit]
Description=Enable NVIDIA card
DefaultDependencies=no

[Service]
Type=oneshot
ExecStart=/bin/sh -c 'echo ON > /proc/acpi/bbswitch'

[Install]
WantedBy=shutdown.target
WantedBy=hibernate.target
WantedBy=hybrid-sleep.target
WantedBy=reboot.target
WantedBy=sleep.target
WantedBy=suspend.target

Unfortunately those didn't work either.
The Laptop is a Lenovo Thinkpad T440P with a Geforce GT 730M

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#2 2014-09-07 06:19:55

heruur
Member
Registered: 2014-08-29
Posts: 3

Re: suspend with bumbebee/bbswitch on Thinkpad T440P

bump

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#3 2014-09-07 17:49:08

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 13,818

Re: suspend with bumbebee/bbswitch on Thinkpad T440P


Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
You assume people are rational and influenced by evidence.  You must not work with the public much. -- Trilby
----
How to Ask Questions the Smart Way

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#4 2014-09-09 04:35:15

d3adc0de
Member
Registered: 2014-09-09
Posts: 2

Re: suspend with bumbebee/bbswitch on Thinkpad T440P

take a look at this issue and see if it is what you are facing.
https://github.com/Bumblebee-Project/bbswitch/issues/78

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#5 2014-09-12 02:24:27

heruur
Member
Registered: 2014-08-29
Posts: 3

Re: suspend with bumbebee/bbswitch on Thinkpad T440P

I had a look at the issue and it looks like it is related.

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