Here is the trace with 10000 points: https://github.com/gregd72002/rpicopter/blob/master/tmp/frozen
On 27 February 2014 10:48, Gilles Chanteperdrix < [email protected]> wrote: > On 02/26/2014 11:37 PM, Gregory Dymarek wrote: > > Right, > > here is updated trace: > > http://pastebin.com/FW6i2Gds > > > > there is unstall root call on line 39 > > followed by read_current_timer at line 88 > > > > if I understand this well read_current_timer fails with bad_irq? > > I would say the driver interrupt handler does not acknowledge the > interrupt correctly at device level, so that the interrupt triggers > again, as soon as it is unmasked at interrupt controller level. > > Could you take a trace with say 10000 points, in order to confirm this? > > To add trace points, use > > echo 10000 > /proc/ipipe/trace/back_trace_points > > To save the trace to a file use: > > cat /proc/ipipe/trace/frozen > frozen.txt > > -- > Gilles. > _______________________________________________ Xenomai mailing list [email protected] http://www.xenomai.org/mailman/listinfo/xenomai
