From: Chris D. <chr...@gm...> - 2007-03-26 14:37:28
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Hi Sterling, I use this command to set it to 1 second: modprobe sa1100_wdt margin=1 Chris On 3/26/07, Sterling Peet <ste...@ga...> wrote: > Dave, > > For a mission critical device, could this timeout period be adjusted? I am > interested in the 3 to 5 sec, or 5 to 10 second time frame. > > Sterling > > > On Monday 26 March 2007 00:30, Dave Hylands wrote: > > Hi DJ, > > > > On 25 Mar 2007 23:53:38 -0400, DJ Delorie <dj...@de...> wrote: > > > "Dave Hylands" <dhy...@gm...> writes: > > > > Using the watchdog, you could make it automatically reboot if it > > > > hangs, or you could schedule a periodic reboot. > > > > > > Watchdog? > > > > modprobe sa1100_wdt > > > > Then, when you open /dev/watchdog the watchdog timer is enabled. > > Everytime you write to /dev/watchdog it extends the timer by 60 > > seconds. if for some reason nobody writes to the watchdog timer, then > > a hardware reset occurs. > > > > You can do this to play: > > > > modprobe sa1100_wdt > > while true; do echo > /dev/watchdog; sleep 10; date; done > > > > Let it run for a couple of minutes (just to convince yourself that > > it's not resetting after 60 seconds). Then press Control-C and 50-60 > > seconds later your gumstix will reset. > > > > There are ioctl calls to change the timeout. > > > > See drivers/char/watchdog/sa1100_wdt.c for details. > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > |