Hello Ludovic, On 28/08/14(Thu) 20:52, ludovic coues wrote: > Hello, > > Recently, I get a kernel page fault every time I try to use the > micronucleus [1] command line tool. It 's for uploading an hex file to > ATtiny processor, much like arduino's avrude. The crash is pretty > consistent, occuring every time I run `micronucleus --run`. > I've managed to use it with success in the past on this machine with > 55-release so it might be hardware related. I added a realtek wireless > device since last time I've get a successful run with micronucleus. > > I get the following message when I run it: > uvm_fault(0xffffffff81daaf001, 0x2, 2, 0, 1) -> e > kernel: page fault trap, code=0 > Stopped at usbd_get_cdesc+035: movzwl 0x2 (%rax),%eax > > It's followed by the debugger prompt. I don't know how what to do from > that point. I'm willing to spend time tracking the source of the > problem but I have no idea of what I'm looking for.
Thanks for reporting the problem. I believe this is the same issue that has been reported by Thomas Pfaff in February [0] and fixed post 5.5 [1]. Could you try a snapshot and tell me if you can still reproduce it? Cheers, Martin [0] http://marc.info/?l=openbsd-bugs&m=139135208628637&w=2 [1] http://marc.info/?l=openbsd-cvs&m=139194643911061&w=2
