On Wed, Mar 14, 2018 at 12:52:22PM +0100, Martin Lucina wrote: > On Wednesday, 14.03.2018 at 00:45, 'Ondřej Jirman' via linux-sunxi wrote: > > On Tue, Mar 13, 2018 at 08:20:35PM +0100, Martin Lucina wrote: > > > Hi, > > > > > > > > However, while running the debootstrap 2nd stage on the board, it > > > > > seems that > > > > > the kernel is not stable: > > > > > > > > Another thing to check if you are seeing stability issues is the power > > > > supply (including cabling) and the SD card quality. Sounds stupid, I > > > > know, but is really responsible for many crashes. I happened to see > > > > crashes where the actual power supply had a loose contact and the board > > > > actually booted via the current leaked in from serial, though it crashed > > > > very soon. > > > > > > Thanks for that, I'll keep it in mind. I also had a problem with two > > > console cables purchased from Olimex which worked only 10% of the time on > > > the TX (board RX) path; using some random cable from a friend works fine. > > > > Also try memcheck, to see if DRAM is not buggy. > > Where do I get a "memcheck"? The U-boot README.memory-test suggests that > "mtest" is deprecated and indeed I do not have it in my builds.
http://linux-sunxi.org/Lima-memtester http://linux-sunxi.org/Hardware_Reliability_Tests > > And check temperature to see if the board is not overheating. > > I have heatsinks installed on both boards. I've just tried the other board > (also new), and get the same BUG early during boot. > > -mato > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to linux-sunxi+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
