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 <[email protected]> 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, <[email protected]> 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, <[email protected]> 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 [email protected]. >>>> 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 [email protected]. >> 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 [email protected]. > 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
