On 30/08/14(Sat) 11:46, ludovic coues wrote: > 2014-08-30 10:53 GMT+02:00 Martin Pieuchot <mpieuc...@nolizard.org>: > > 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 > > I might have failed to upgrade to snapshot but I still have the error. > Right now, I got the snapshot install56.fs file, used it to run an > upgrade and run sysmerge. I must have done something right as > start_daemon isn't available anymore in /etc/rc.local but the error is > still present.
In this case could you send me your dmesg, the output of "usbdevs -dv" and the trace when the trap occurs?
