I create a swapfile and I run it, but every time, I get the same error... Le jeu. 23 août 2018 à 20:11, Dennis Lee Bieber <wlfr...@ix.netcom.com> a écrit :
> On Thu, 23 Aug 2018 16:52:08 +0200, Ichrak Mansour > <ichrakmansour....@gmail.com> declaimed the > following: > > >Thank you Robert. > >But when I used a microSD with 16G, I need to make a swapfile also? > > > > IF it is running out of RAM then yes, you likely need a swapfile. > Programs don't run "on the SD card" (or eMMC). They are /stored/ as files > there and get loaded into RAM when executed. > > The BBB RAM is only 512kB. If the program needs more RAM than is > available the OS will kill it. Using a swapfile lets the OS copy currently > idle code/data from RAM to the SD card (or other device -- I'd recommend > using a USB hard-disk, to reduce wear on flash memory) and map in the freed > RAM as more data space for the current program. > > https://en.wikipedia.org/wiki/Paging > """ > Flash memory has a finite number of erase-write cycles (see Limitations of > flash memory), and the smallest amount of data that can be erased at once > might be very large (128 KiB for an Intel X25-M SSD [27]), seldom > coinciding with pagesize. Therefore, flash memory may wear out quickly if > used as swap space under tight memory conditions. On the attractive side, > flash memory is practically delayless compared to hard disks, and not > volatile as RAM chips. Schemes like ReadyBoost and Intel Turbo Memory are > made to exploit these characteristics. > """ > > > -- > Wulfraed Dennis Lee Bieber AF6VN > wlfr...@ix.netcom.com HTTP://wlfraed.home.netcom.com/ > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/qt0undp53utjadn4attrkrva4eiohvs763%404ax.com > . > For more options, visit https://groups.google.com/d/optout. > -- * ICHRAK Mansour* Etudiante en ingénierie Téléinformatique Université de Sousse - ISITCOM *T :* +216 52 650 216 *M :* ichrakmansour....@gmail.com -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CACtBPxO_7HZ-03UmadwSwR7FQ1iEaJ1Z5yV%3DzTVzSFvTkRM3uQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
