Have you finally solved this problem? If so, could you please give some advice how to fix this problem? I am stuck in the same place right now. Trying to run an example after cross compiling qt for BBB.
On Sunday, 20 December 2015 12:39:38 UTC+1, bremenpl wrote: > > I tried the first hint: > > root@beaglebone:/home/debian/ImpedanceManager-build# ./ImpedanceManager > -qws -platform eglfs > libEGL warning: DRI3: xcb_connect failed > libEGL warning: DRI2: xcb_connect failed > libEGL warning: DRI2: xcb_connect failed > Could not initialize egl display > Aborted > > Theb second: > > root@beaglebone:/home/debian/ImpedanceManager-build# DISPLAY=:0 > ./ImpedanceManager -qws > No protocol specified > QXcbConnection: Could not connect to display :0 > Aborted > > > Is there something more I should specify? > > W dniu 2015-12-20 o 08:49, Maxim Podbereznyy pisze: > > Try it this thus way: > > DISPLAY=:0 myapp -qws > 19 Дек 2015 г. 23:07 пользователь "Bremenpl" <[email protected] > <javascript:>> написал: > >> I am not sure, coz i wasnt building it- i fownloaded it from paxjage >> manager. >> >> On December 19, 2015 7:51:18 PM John Syne < <javascript:> >> [email protected] <javascript:>> wrote: >> >>> i haven’t done this in ages, but try to run your QT app with the "-platform >>> eglfs” option. I’m assuming you built QT with EGL. >>> >>> Regards, >>> John >>> >>> >>> >>> >>> On Dec 19, 2015, at 3:46 AM, Bremenpl < <javascript:>[email protected] >>> <javascript:>> wrote: >>> >>> Hello there, >>> I managed to set up qt 5.3.2 on the beaglebone. I have build everything >>> there and it took ages but it works :). >>> >>> Next step is that I need to check either it is possible to run qt app on >>> bbb without gui with qws parameter. Because at the moment when i run it >>> with qws i get QXcbconnection: Could not connect to display. I need to do >>> it like this because thw gui is really really slow. >>> >>> On December 15, 2015 6:10:13 AM John Syne <[email protected] >>> <javascript:>> wrote: >>> >>>> For purely building armhf code, Odroid XU4 might be a good choice: >>>> >>>> http://www.hardkernel.com/main/main.php >>>> >>>> This is an Octacore processor with 4 CortexA15 and 4 CortexA7 >>>> processors. I don’t know how good their kernel/debian support is, but I >>>> know Robert had looked at this board or a predecessor in the past, so >>>> perhaps he can give his input here. >>>> >>>> Clearly this board doesn’t have the flexibility of the BeagleBoard-x15 >>>> with it’s dual DSP, Dual CortexM4, Quad PRU, SATA interface, PCIe >>>> interface, etc. >>>> >>>> Regards, >>>> John >>>> >>>> >>>> >>>> >>>> On Dec 14, 2015, at 4:29 PM, William Hermans < <javascript:> >>>> [email protected] <javascript:>> wrote: >>>> >>>> Anyway, the main problem with the rPI 2 is that it has no "fast" non >>>> destructive storage. But the Omilex . . let me look it up. >>>> >>>> >>>> https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2-4GB/open-source-hardware >>>> >>>> Has SATA and GbE both. Dual cores too I think. However, you'd have to ask >>>> someone who has one how well they think it would work as a build board. >>>> RObert might know, as his Debian build guide also includes this board too >>>> I >>>> believe. >>>> >>>> On Mon, Dec 14, 2015 at 5:25 PM, William Hermans < <javascript:> >>>> [email protected] <javascript:>> wrote: >>>> >>>>> <https://www.adafruit.com/product/2358> >>>>> https://www.adafruit.com/product/2358 >>>>> >>>>> On Mon, Dec 14, 2015 at 5:23 PM, William Hermans < <javascript:> >>>>> [email protected] <javascript:>> wrote: >>>>> >>>>>> The new board is armv7. Positively. >>>>>> >>>>>> On Mon, Dec 14, 2015 at 5:24 PM, Bremenpl < <javascript:> >>>>>> [email protected] <javascript:>> wrote: >>>>>> >>>>>>> Okay, thank :P. I am quite sure raspberry pi is not hard float. >>>>>>> >>>>>>> W dniu 2015-12-15 o 01:21, William Hermans pisze: >>>>>>> >>>>>>> So just thinking for a minute. A Raspberry PI 2, the new board with >>>>>>> quad cores, and 1 GB ram would probably work fairly decent as a build >>>>>>> system for the Beaglebones. Granted, something like the X15, of that >>>>>>> new >>>>>>> nVidia ARM board, or even the Omelex A20 board with SATA would probably >>>>>>> be >>>>>>> a much better choice if cost is not a problem. >>>>>>> >>>>>>> By the way, I have no idea what Robert is talking about. You need to >>>>>>> ask him. >>>>>>> >>>>>>> On Mon, Dec 14, 2015 at 5:15 PM, Bremenpl < <javascript:> >>>>>>> [email protected] <javascript:>> wrote: >>>>>>> >>>>>>>> I have just flashed my BeagleBone Black emmc with lxqt image >>>>>>>> linked by Robert. I cant seem to find qmake anywhere. I thought there >>>>>>>> would >>>>>>>> be qt installed and all. Am I missing something again? >>>>>>>> >>>>>>>> W dniu 2015-12-15 o 00:54, William Hermans pisze: >>>>>>>> >>>>>>>> Not necessarily, but consider this. How much does an embedded >>>>>>>> systems specialist in your area get paid per hour ? In my area, about >>>>>>>> 15-20 >>>>>>>> years ago. The cost of a board like the X15 would have been absorbed >>>>>>>> in >>>>>>>> roughly half a day. That is to say, an embedded systems specialist >>>>>>>> could >>>>>>>> buy a board for $239 after working roughly half a day. >>>>>>>> >>>>>>>> Now take into account that figuring out how to cross compile >>>>>>>> something like this is a serious headache, and often takes days, if >>>>>>>> not >>>>>>>> weeks to get right . . . >>>>>>>> >>>>>>>> On Mon, Dec 14, 2015 at 4:32 PM, Bremenpl < <javascript:> >>>>>>>> [email protected] <javascript:>> wrote: >>>>>>>> >>>>>>>>> So if I understand correctly, I should have a second board that is >>>>>>>>> more powerfull than beagle just to compile the code for beagle? >>>>>>>>> >>>>>>>>> W dniu 2015-12-15 o 00:26, William Hermans pisze: >>>>>>>>> >>>>>>>>> *I cant change the board right now, it has to be BeagleBone Black. >>>>>>>>>> Thats why I need to build on my host. Did you succed on installing >>>>>>>>>> QT5.1 >>>>>>>>>> and deploying it to BeagleBone Black? Maybe I should use it instead >>>>>>>>>> of >>>>>>>>>> 4.8.6 if its easier?* >>>>>>>>>> >>>>>>>>> >>>>>>>>> No one was saying change boards. Use the same board, but use a >>>>>>>>> faster, more powerful ARM board to compile native ARM executable. The >>>>>>>>> reasons are simple. No need to mess with cross compiling, which in >>>>>>>>> many >>>>>>>>> cases is messy, and sometimes near impossible. >>>>>>>>> >>>>>>>>> You don't think Robert spends days, or weeks compiling packages do >>>>>>>>> you ? But why don't we ask Robert. Robert, hey what percentage of the >>>>>>>>> packages you build are compiled native to ARM, from some sort of >>>>>>>>> beefy ARM >>>>>>>>> board? I'm guessing nearly 100% if not 100% but . . . >>>>>>>>> >>>>>>>>> On Mon, Dec 14, 2015 at 4:00 PM, Bremenpl < <javascript:> >>>>>>>>> [email protected] <javascript:>> wrote: >>>>>>>>> >>>>>>>>>> Ahh., thats the way, you are right... >>>>>>>>>> Thank you for all the support guys, I really mean it! Hope to get >>>>>>>>>> it working in a while if i wont fall asleep on my desk! >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On December 14, 2015 11:55:59 PM John Syne < <javascript:> >>>>>>>>>> [email protected] <javascript:>> wrote: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> On Dec 14, 2015, at 2:34 PM, Bremenpl < <javascript:> >>>>>>>>>>>> [email protected] <javascript:>> wrote: >>>>>>>>>>>> >>>>>>>>>>>> Okay guys, atm I am donwloading the lxqt image. AT first I will >>>>>>>>>>>> try to open the app on the BeagleBone Black itself. But after that >>>>>>>>>>>> works I >>>>>>>>>>>> need to figure out how to remote debug while building on beagle >>>>>>>>>>>> instead of >>>>>>>>>>>> cross compile on host. >>>>>>>>>>>> Could you please onl >>>>>>>>>>> >>>>>>>>>>> -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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