Date: Fri, 3 Jan 2020 19:46:09 -0700 From: Warner Losh <imp@bsdimp.com> To: Ryan Stone <rysto32@gmail.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: How do I completely disable suspend? Message-ID: <CANCZdfr3M9tkB5i3zA6PV64oYyKUpVQz4H=AwBkHjbWmTd%2BkCQ@mail.gmail.com> In-Reply-To: <CAFMmRNwXGqiV9fcw3gBeDkpfh8wPRaN0ZLN5Np7RKrqgna4QUg@mail.gmail.com> References: <CAFMmRNxEhqmERAL9qPUxFPkxvBOMu8e%2BxoKnNgx38WPYy3GjDg@mail.gmail.com> <CANCZdfrYy-K1TCvCYCEQiAwqzUJiCf7B9y=3jPqQT-OWdTchSg@mail.gmail.com> <CAFMmRNwXGqiV9fcw3gBeDkpfh8wPRaN0ZLN5Np7RKrqgna4QUg@mail.gmail.com>
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On Wed, Jan 1, 2020 at 5:29 PM Ryan Stone <rysto32@gmail.com> wrote:
> On Wed, Jan 1, 2020 at 5:01 PM Warner Losh <imp@bsdimp.com> wrote:
> >
> >
> >
> > On Wed, Jan 1, 2020, 1:46 PM Ryan Stone <rysto32@gmail.com> wrote:
> >>
> >> I have a laptop on which suspend/resume doesn't work. I don't need
> >> suspend/resume and don't want to spend the time debugging it.
> >> However, there are some really annoying cases that can trigger a
> >> suspend, and I find up having to power off the laptop to get it to
> >> boot properly again. How can I completely disable suspend? Playing
> >> with the sysctls under hw.acpi doesn't seem to actually do anything.
> >
> >
> > You want to make the switch action do nothing. I do this so that I have
> a custom devd action that sleeps for 60 seconds and then suspends if the
> lid is still closed. I often close my lid and then go 'oh, crap I forgot
> to...' and I want some time to recover from that mistake that doesn't force
> a suspend/resume.
> >
> > hw.acpi.lid_switch_state: NONE
> >
> > and
> >
> > notify 10 {
> > match "system" "ACPI";
> > match "subsystem" "Lid";
> > action "/usr/local/bin/imp-lid $notify";
> > };
> >
> > in devd.conf for me.
> >
> > And while Ryan won't need it, here's imp-lid:
> >
> > #!/bin/sh
> > lid-wait() {
> > logger "Waiting a minute to suspend"
> > sleep 60
> > case $(sysctl -n dev.acpi_lid.0.state) in
> > 0) logger "suspending"; zzz ;;
> > *) logger "never mind";;
> > esac
> > }
> >
> > case $1 in
> > 0x00) # lid closed
> > lid-wait &
> > ;;
> > 0x01) ;; # Ignore opening
> > esac
> > exit 0
> >
> >
> > Warner
>
> Thanks, but in my case, the biggest issue isn't closing the lid but
> some magic extra function button on the keyboard that something has
> decided should trigger a suspend.
>
Oh, in that case you can use kbdcontrol to remap those keys.
kbdcontrol -d dumps the keys and you are looking for
104 slock saver slock saver susp nop susp nop O
'susp' is the bit that does keyboard suspend just make them all nop. -l
file I think loads the file, but the man page has all the details.
Warner
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