[linuxkernelnewbies] pppoe session and s2ram - Unix Linux Forum

[Peter Teoh]

How does s2ram/s2disk work?   where is the initialization point for each, are they identical?   and how does it differ from reboot?   or warm restart?   There should be no BIOS coming in between, right? http://fixunix.com/slackware/532515-pppoe-session-s2ram.html pppoe session and s2ram This is a discussion on pppoe session and s2ram within the Slackware forums, part of the Help category; When I resume after s2ram (suspend to ram) my pppoe connection is down. I'd like to be able to run '/etc/rc.d/rc.pppoe restart' after resume. I create /etc/acpi/pppoe-restore.sh $ cat pppoe-restore.sh ... Search Forums Show Threads   Show Posts Advanced Search Google™ Search Custom Search Go to Page... pppoe session and s2ram When I resume after s2ram (suspend to ram) my pppoe connection is down. I'd like to be able to run '/etc/rc.d/rc.pppoe restart' after resume. I create /etc/acpi/pppoe-restore.sh $ cat pppoe-restore.sh #!/bin/sh /etc/rc.d/rc.pppoe restart sleep 1 /usr/sbin/ntpdate be.pool.ntp.org nl.pool.ntp.org fr.pool.ntp.org and call a script from /etc/acpi/acpi_handler.sh $ cat acpi_handler.sh #!/bin/sh # Default acpi script that takes an entry for all actions IFS=${IFS}/ set $@ case "$1" in button) case "$2" in # power) /sbin/init 0 power) /etc/acpi/pppoe-restore.sh ;; *) logger "ACPI action $2 is not defined" ;; esac ;; *) logger "ACPI group $1 / action $2 is not defined" ;; esac In order to machine sleep I press 'sleep'-button on multimedia keyboard, in order to wake I press power-button on system block. But it does not work (pppoe does not restart). What I am doing wrong? Thanks, -- Murat D. Kadirov   #2   09-11-2008, 03:03 PM Re: pppoe session and s2ram On 2008-09-11, Murat D. Kadirov wrote: > When I resume after s2ram (suspend to ram) my pppoe connection is down. > I'd like to be able to run '/etc/rc.d/rc.pppoe restart' after resume. I > create /etc/acpi/pppoe-restore.sh > > $ cat pppoe-restore.sh > #!/bin/sh > /etc/rc.d/rc.pppoe restart > sleep 1 > /usr/sbin/ntpdate be.pool.ntp.org nl.pool.ntp.org fr.pool.ntp.org > > and call a script from /etc/acpi/acpi_handler.sh > > $ cat acpi_handler.sh > #!/bin/sh > # Default acpi script that takes an entry for all actions > > IFS=${IFS}/ > set $@ > > case "$1" in > button) > case "$2" in > # power) /sbin/init 0 > power) /etc/acpi/pppoe-restore.sh > ;; > *) logger "ACPI action $2 is not defined" > ;; > esac > ;; > *) > logger "ACPI group $1 / action $2 is not defined" > ;; > esac > > In order to machine sleep I press 'sleep'-button on multimedia keyboard, > in order to wake I press power-button on system block. > But it does not work (pppoe does not restart). What I am doing wrong? Disclaimer: I *think* this is how the kernel's suspend/resume works, but I'm not entirely sure... Assuming your "sleep" button calls /etc/acpi/actions/suspend.sh, make your suspend.sh script look something like this: #!/bin/sh sync # Sync everything to be sure # Do any pre-suspend stuff needed # For example, /etc/acpi/pppoe-stop.sh # Do the actual suspend operation echo -n mem > /sys/power/state # When the system wakes up, stuff after the suspend operation should # be run, so add them here... /etc/acpi/pppoe-restore.sh # End of script Let me know if that works and I'll document it better somewhere :-) -RW   #3   09-11-2008, 04:44 PM Re: pppoe session and s2ram Murat D. Kadirov wrote: > When I resume after s2ram (suspend to ram) my pppoe connection is down. > I'd like to be able to run '/etc/rc.d/rc.pppoe restart' after resume. I > create /etc/acpi/pppoe-restore.sh > > $ cat pppoe-restore.sh > #!/bin/sh > /etc/rc.d/rc.pppoe restart > sleep 1 > /usr/sbin/ntpdate be.pool.ntp.org nl.pool.ntp.org fr.pool.ntp.org > > and call a script from /etc/acpi/acpi_handler.sh > > $ cat acpi_handler.sh > #!/bin/sh > # Default acpi script that takes an entry for all actions > > IFS=${IFS}/ > set $@ > > case "$1" in > button) > case "$2" in > # power) /sbin/init 0 > power) /etc/acpi/pppoe-restore.sh > ;; > *) logger "ACPI action $2 is not defined" > ;; > esac > ;; > *) > logger "ACPI group $1 / action $2 is not defined" > ;; > esac > > In order to machine sleep I press 'sleep'-button on multimedia keyboard, > in order to wake I press power-button on system block. > But it does not work (pppoe does not restart). What I am doing wrong? > > Thanks, > If it works like my 2 laptops, the power button event gets sent before the suspend. You need to hook into the suspend script. For example, I need to kill wireless upon suspend, & restart it when I resume. My power button event calls the suspend script, in the suspend script I kill wpa_supplicant, suspend (to disk or ram), restart wpa_supplicant. Jerry   #4   09-11-2008, 07:01 PM Re: pppoe session and s2ram On Thu, 11 Sep 2008 09:31:48 +0000 (UTC), "Murat D. Kadirov" wrote: >When I resume after s2ram (suspend to ram) my pppoe connection is down. >I'd like to be able to run '/etc/rc.d/rc.pppoe restart' after resume. I >create /etc/acpi/pppoe-restore.sh > >$ cat pppoe-restore.sh >#!/bin/sh >/etc/rc.d/rc.pppoe restart >sleep 1 >/usr/sbin/ntpdate be.pool.ntp.org nl.pool.ntp.org fr.pool.ntp.org For starters, this is not a good sequence, you need to kick pppoe and wait for the if-up (etc/ppp/if-up) script to be called to do the stuff needs doing once you _have_ the ppp connection established. Waiting only a second is unlikely to cut it. It's not really a restart -- all real-time operations like network connections go out the window when you stop the CPU. You need to think in terms of a new startup for the pppoe, and stopping it cleanly before stopping CPU. Also the wrong way to run ntp, but that's a separate issue > >and call a script from /etc/acpi/acpi_handler.sh I don't do s2{ram,disk} so clueless about the rest of your issue Grant. -- http://bugsplatter.id.au/   #5   09-11-2008, 11:20 PM Re: pppoe session and s2ram On 2008-09-11, Robby Workman wrote: > > Disclaimer: I *think* this is how the kernel's suspend/resume works, > but I'm not entirely sure... > > Assuming your "sleep" button calls /etc/acpi/actions/suspend.sh, > make your suspend.sh script look something like this: > > #!/bin/sh > > sync # Sync everything to be sure > > # Do any pre-suspend stuff needed > # For example, /etc/acpi/pppoe-stop.sh > > # Do the actual suspend operation > echo -n mem > /sys/power/state > > # When the system wakes up, stuff after the suspend operation should > # be run, so add them here... > /etc/acpi/pppoe-restore.sh > > # End of script > > Let me know if that works and I'll document it better somewhere :-) Update: I've just tested this and confirmed that it does work. I've updated my sample acpi stuff for suspend/resume - it's at http://rlworkman.net/conf/acpi/ -RW