Date: Wed, 1 Jan 2020 19:29:14 -0500 From: Ryan Stone <rysto32@gmail.com> To: Warner Losh <imp@bsdimp.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: How do I completely disable suspend? Message-ID: <CAFMmRNwXGqiV9fcw3gBeDkpfh8wPRaN0ZLN5Np7RKrqgna4QUg@mail.gmail.com> In-Reply-To: <CANCZdfrYy-K1TCvCYCEQiAwqzUJiCf7B9y=3jPqQT-OWdTchSg@mail.gmail.com> References: <CAFMmRNxEhqmERAL9qPUxFPkxvBOMu8e%2BxoKnNgx38WPYy3GjDg@mail.gmail.com> <CANCZdfrYy-K1TCvCYCEQiAwqzUJiCf7B9y=3jPqQT-OWdTchSg@mail.gmail.com>
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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.
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