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Old 02-24-2013, 04:21 PM   #1
Registered: Apr 2004
Location: Mesa, AZ USA
Distribution: Slackware 14.1 kernel 4.1.13 gcc 4.8.2
Posts: 245

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How to add in a pm-utils hook to disable pcmcia wifi card for suspend/hibernate?

How can I add in a hook for pm-utils to check to see if a pcmcia wifi card is active and have it deactivated for suspend and hibernate? This card interferes with suspend and hibernate if it is active. It is an EDUP 802.11 b/g wifi card that uses the bcm 4312 chipset. Also would need to reactivate it on resume as well.

Last edited by Arcosanti; 02-24-2013 at 04:22 PM.
Old 02-24-2013, 09:21 PM   #2
Registered: May 2007
Posts: 517

Rep: Reputation: 191Reputation: 191
I'm not sure what the requirement is for bringing down your pcmcia, so try reading 'man pm-suspend'.

What I have done before, is added a file at /etc/pm/config.d/bttv with the line 'SUSPEND_MODULES="bttv"'. This is supposed to rmmod bttv prior to suspend. I added this line for kernel version 2.6.37, due to a regression in suspend on my bttv based card. Without it, the tuner is not restored properly. I have since just pulled the card since I hardly use it anymore.

I have been slowly investigating the problem ever since then. I do not know why 2.6.36 works fine and 2.6.37 suddenly changes it. Unfortunately 2.6.37-rc is a huge mess that I have not been able to bisect due to many problems during the pull cycle. I have random problems due to suspend since that release, but never really prevented the machine from fully returning. One of these days I will figure it out.


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