[arch-general] Problem with suspend

[Csomay Mihaly]

Philipp <hollunder at lavabit.com> writes:

> Excerpts from Csomay Mihaly's message of 2010-04-01 23:16:13 +0200:
>> Hi,
>> 
>> I'm configuring suspend/resume on an Acer 1810TZ, but I have a small
>> problem.
>> I already set it up to suspend when I close the lid, I modified
>> /etc/acpi/actions/lm_lid.sh to this:
>> #! /bin/sh
>> DISPLAY=:0 /bin/su csm -c "/usr/bin/i3lock -c 000044"
>> /usr/sbin/pm-suspend
>
> Wow, where can I read more about this?

About suspending when the lid is closed?
http://wiki.archlinux.org/index.php/Acpid

>> It works as expected, turns off the wifi, etc., restores fine when I hit
>> a button.
>> 
>> So I would think that running pm-suspend from a terminal would work
>> also, but it hangs on /usr/lib/pm-utils/sleep.d/98-smart-kernel-video.
>> If I move that file away, it suspends, but then the screen isn't
>> restored on resume, it's blank.
>> 
>> The worst part of it is that it worked from the command line once, but
>> back then I didn't know that hibernating with kms-enabled intel chips
>> results in memory corruption, and it killed my root partition so bad I
>> had to reinstall. And now it's not working. Any suggestions?
>> Thanks in advance.
>
> For me (on acer extensa 5220) pm-suspend and pm-hibernate (as root) work
> just fine, they did pre (intel) kms and they also do work fine with kms.
> I didn't need to do anything, so it seem quite strange to me.

So you don't experience this bug?
https://bugzilla.kernel.org/show_bug.cgi?id=13811

But back to my problem, does anybody know what could be the difference
between running pm-suspend from the command line and acpid running it
from a script in /etc/acpi/actions? I tried running it from X as root,
also with sudo, and also from a tty as root, no luck whatsoever.

csm