Hi Gerald, Do you mean the Linux *umount* command to *un*-mount the drive(s)? In an earlier post, you said, "Assuming that the SW supports the power button function." Were you saying that the *umount* command is assumed to support the function of the power button?
Lawrence On Friday, August 21, 2015 at 4:52:30 PM UTC-7, Gerald wrote: > > It is a standard linux command to mount the drive. > > Gerald > > > On Fri, Aug 21, 2015 at 5:02 PM, <lmje...@gmail.com <javascript:>> wrote: > >> Hi Gerald, >> >> Oops, by "may not necessary work", I mean, "may not necessarily work." >> Will I need to develop SW that supports the power button function - that >> is, will I need to develop SW to enable the button? We are refraining from >> powering up the BBB until we know for sure. >> >> Best regards, >> Lawrence >> >> >> On Monday, August 10, 2015 at 6:46:51 AM UTC-7, lmje...@gmail.com wrote: >>> >>> Hi Gerald, >>> >>> Do you mean that the power button function may not necessary work? Is >>> the SW that supports it SW that I will need to develop, like the C++ SW >>> that arunbarn...@gmail.com was developing? >>> >>> Lawrence >>> >>> On Wednesday, August 5, 2015 at 9:07:57 AM UTC-7, Gerald wrote: >>>> >>>> Assuming that the SW supports the power button function. >>>> >>>> Gerald >>>> >>>> >>>> On Wed, Aug 5, 2015 at 8:34 AM, Chad Baker <cmba...@gmail.com> wrote: >>>> >>>>> Section 5.10 in the SRM Rev C.1 recommends using the power button to >>>>> power down the board and prevent contamination of the SD card or the >>>>> eMMC. >>>>> This section gives a brief explanation of why also. >>>>> Chad >>>>> >>>>> >>>>> On 8/5/2015 4:07 AM, lmje...@gmail.com wrote: >>>>> >>>>> Hi Gerald, >>>>> >>>>> Following the instructions on the BeagleBoard.org - getting-started >>>>> <http://beagleboard.org/getting-started> webpage, my team lead and I >>>>> have been powering up the BBB by using the provided USB cable to plug our >>>>> Beagle into our computers. We didn't find instructions on powering it >>>>> down. So, we have been powering it down by simply pulling the cable out. >>>>> >>>>> By doing this, can we also get corruption? If so, where is the shutdown >>>>> procedure documented? >>>>> >>>>> Lawrence >>>>> >>>>> On Sunday, October 13, 2013 at 12:19:54 PM UTC-7, Gerald wrote: >>>>>> >>>>>> Nope. If you do it the way I just said, the board is powered off >>>>>> after it is done. Then you can pull the power. >>>>>> >>>>>> Pull the power without letting the kernel unmount the eMMC or SD >>>>>> card, and you can get corruption. >>>>>> >>>>>> Gerald >>>>>> >>>>>> >>>>>> >>>>>> On Sun, Oct 13, 2013 at 1:31 PM, <arunbarn...@gmail.com> wrote: >>>>>> >>>>>>> So pulling out the power with properly shutting down the system >>>>>>> could corrupt the eMMC ??? >>>>>>> >>>>>>> >>>>>>> On Sunday, October 13, 2013 4:39:05 PM UTC+5:30, >>>>>>> arunbarn...@gmail.com wrote: >>>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> I am trying to use the beaglebone black (in factory default >>>>>>>> settings) in a control application, where the BBB interfaces to a 20x4 >>>>>>>> character LCD, 18 button keypad, and a RS 232 connection using ttyO4 >>>>>>>> port >>>>>>>> (connects to RS 485 network using appropriate drivers). >>>>>>>> >>>>>>>> I have almost developed the hardware and the software using Eclispe >>>>>>>> C++ IDE. >>>>>>>> >>>>>>>> As I am not using any batteries or other power backup devices for >>>>>>>> the BBB, Do I have to implement a shutdown procedure for my users ?? >>>>>>>> >>>>>>>> I have made a procedure in which the user presses a combination of >>>>>>>> keys to get the shutdown option on the LCD, selecting the shutdown >>>>>>>> option >>>>>>>> runs the system("shutdown -h now") command in my C++ program. >>>>>>>> >>>>>>>> Is a shutdown procedure required for the BBB or will just pulling >>>>>>>> out the +5V power jack be sufficient. >>>>>>>> >>>>>>>> I have read in some sites that the eMMC could get corrupted causing >>>>>>>> startup issues.... >>>>>>>> >>>>>>>> Please advise.... >>>>>>>> >>>>>>>> thanks >>>>>>>> a >>>>>>>> >>>>>>>> -- >>>>>>> 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...@googlegroups.com. >>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>> >>>>>> >>>>>> -- >>>>> 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...@googlegroups.com. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>>> >>>>> >>>>> -- >>>>> Chad Baker Memphis, TN >>>>> >>>>> -- >>>>> 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...@googlegroups.com. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> >>>> >>>> -- >>>> Gerald >>>> >>>> ger...@beagleboard.org >>>> http://beagleboard.org/ >>>> >>> -- >> 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...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Gerald > > ger...@beagleboard.org <javascript:> > http://beagleboard.org/ > -- 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. For more options, visit https://groups.google.com/d/optout.
