On Sat, May 24, 2014 at 09:14:10AM +0400, Dmitriy B. wrote: > 2014-05-24 7:57 GMT+04:00 [email protected] <[email protected]>: > > > Can anyone verify for me that serial console has ever worked on the > > A20 device tree kernels? Am I looking for breakage or has console > > never worked at all? > > > > I ran mainline on my cubietruck couple months ago. Had some problems with > booting up (had absolutely no serial output even with earlyprintk and > kernel crashed somewhere in between), had to use Hans's defconfig and > u-boot settings. > With them, everything worked (except occasional hangs after 6-7 hours > compiling stuff, but I think that had something to do with MBUS and memory, > for example, running 4x linpacks for half a day would crash it 100%). > > Also, if I remember correctly, PSU that I used running cubietruck on 3.4 > did not handle it running mainline, cubietruck hang after 10-15 minutes of > hard load, after throwing out the phone charger I've used as a PSU for > cubietruck and using an old ATX PSU, that problem was gone.
It would be great to have that kind of feedback whenever users see that kind of behaviour. -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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