On 4 July 2013 12:27, Renato Golin <renato.go...@linaro.org> wrote: > On 3 July 2013 18:33, Richard Earnshaw <rearn...@arm.com> wrote: >> >> keep lowering the clock limit (.../cpufreq/scaling_max_freq) until you get >> stability. If you don't, then it isn't a heating problem. > > > It might be a bit too soon, but I just got a few 7h builds out of the boards > at 920MHz without a single glitch, whereas before, they wouldn't run for > more than 4hs in a row. Both boards are running non-stop since 8pm > yesterday. > > I'll keep them running during Connect on the exact same place as they are > now (and were before), just to be sure, but I'm still betting that they > cannot run at 1.2GHz on full steam for long periods without some serious > cooling.
Faster clocks also drink more power - now you are using slower clocks those boards will be stressing the PSU less. There are plenty of other components on the board, any of which could be causing the problem, including the peripherals that you plugged in. If you don't have another 5V PSU to try but do have a spare ATX PSU then it isn't difficult to hook up the 0 and 5V rails from a molex connector. May be worth a go. You could easily run all the boards from 1 ATX PSU. (short pin 16 (green) to a black pin to turn the PSU on http://en.wikipedia.org/wiki/ATX#Power_supply). James _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
