Serial boot ? I have not done that yet, Id like to read a write up of that if you wrote one. e.g. I have no hands on with serial booting, and perhaps would like to know how.
On Thu, Apr 17, 2014 at 11:45 AM, <mac...@msn.com> wrote: > Hi William and Cody, > > I have some partially good news. Using Robert's link I did successfully > build and install v3.14.1-bone2 and I have my BBB up and running. Thanks > for your support. BTW, watching the board boot over the serial port is jaw > dropping-ly cool. The software checksum > calculation speeds seems to be amazing. The arm4regs are reporting 685.2 > MB/sec. Now I'm having fun. > > So now to the questions you are asking so that you can help me. > > Note: The USB hub is an externally powered Belkin HS USB 2.0 hub model > F5U233. > > It is not recognized at boot time. I'll try a hot plug and look at dmesg. > > No messages appended to dmesg after the hot plug. > > the /sys/bus/usb/devices file is empty. > > > On Thursday, April 17, 2014 7:48:42 AM UTC-7, cody wrote: > >> Was your hub plugged in at boot or after? I may have a workaround you >> can try. >> If you know the hub enumerates post the contents of /sys/bus/usb/devices >> >> >> On Wed, Apr 16, 2014 at 9:59 PM, William Hermans <yyr...@gmail.com>wrote: >> >>> I have no hands on with this sort of thing, but I have noticed on many >>> occations that "we" always need to research the hardware we use on a >>> particular Linux Distro. >>> >>> .Which kernel are you using again ? 3.8.x does not do Hotplug very well, >>> or even at all. SO if you're hot plugging USB devices into the hub after >>> the system is up and running, It could be that the hub may buffer you from >>> a kernel oops, but still does not recognize the devices. >>> >>> It could also be that you need to compile a module or two into the >>> kernel statically for the HUB to work properly. But that is just a guess on >>> my behalf that could be wrong. I have not personally noticed anything >>> specific to this when browsing menuconfig, but I was not looking for this >>> sort of thing when compiling my own kernel. >>> >>> *OR* Maybe you just need a different hub . . . Perhaps someone with more >>> experience with this sort of thing will reply and give us their 2 cents. >>> >>> >>> On Wed, Apr 16, 2014 at 7:40 PM, <mac...@msn.com> wrote: >>> >>>> Hi William, >>>> >>>> Yes, I realize that the pain is self-inflicted and I want to be clear >>>> about that. I have a favourite golfer that once said,"I'm an idiot!". I've >>>> uttered those very words once or twice lately. Judging by the forums I >>>> think others have said similar things. >>>> >>>> You would never believe it by my comments but in the late 1980's I was >>>> doing this full time on a RT VME chassis running UniFlex (Unix variant). I >>>> wrote drivers in C and 68030 assembly language and did some very neat >>>> stuff. The learning curve was steep back then too. Ah, but I was young! >>>> Time didn't matter...So I had to see what the kids are getting into these >>>> days. >>>> >>>> I am actually more concerned with another issue regarding attaching a >>>> USB hub to the USB host on the BBB. After I've done that the system won't >>>> enumerate any of the devices I've put into the hub. But according to dmesg >>>> the hub itself was successfully installed. >>>> >>>> Ideas? >>>> >>>> >>>> >>>> On Monday, April 14, 2014 3:24:04 PM UTC-7, William Hermans wrote: >>>>> >>>>> macarr, just so you know I have been using Debian for a good while and >>>>> it took me 2-3 tries to get his steps right myself. At the time the >>>>> instructions were a bit less clear, but the fault was my own ( I was a bit >>>>> rusty with some of the steps / commands ). >>>>> >>>>> I am currently rebuilding my own kernel to the latest from scratch, >>>>> and so far they seem to work perfectly ( I am about half way through, e.g. >>>>> I've downloaded all the tools and have compiled the kernel). >>>>> >>>>> @Robert, I should be able to do the same steps I took back in December >>>>> to get a working TFTP/NSF boot/root with the latest kernel ? >>>>> >>>>> What about 3.13 ? I remember you saying something about it being a >>>>> "different animal" some months ago. >>>>> >>>>> I would ask on your comments pages for your site, but . . . Yeah >>>>> editor wont stop loading. >>>>> >>>>> >>>>> On Mon, Apr 14, 2014 at 1:15 PM, <mac...@msn.com> wrote: >>>>> >>>>>> Yes Robert, >>>>>> >>>>>> You are correct on all counts. I was unaware of the >>>>>> http://eewiki.net/display/linuxonarm/BeagleBone+Black<http://www.google.com/url?q=http%3A%2F%2Feewiki.net%2Fdisplay%2Flinuxonarm%2FBeagleBone%2BBlack&sa=D&sntz=1&usg=AFQjCNEwHvJG3PDxw3Sfxt5K8nmSnOnirA>. >>>>>> I performed a google search and found the first site I mentioned. >>>>>> >>>>>> Being "new" can be a painful process. Not working on a staff with >>>>>> others to learn from is even more painful. >>>>>> >>>>>> The biggest obstacle is that "you don't know what you don't know". >>>>>> >>>>>> Again, I thank you for your efforts. I will be persistent. >>>>>> >>>>>> Respectfully, >>>>>> >>>>>> -- >>>>>> 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. >>>>>> >>>>> >>>>> -- >>>> 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. >>>> >>> >>> -- >>> 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. >>> >> >> -- > 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. > -- 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.
