On 07-09-2011 10:59, Bernhard Schmidt wrote: > On Tue, Sep 6, 2011 at 22:42, Joel Dahl <j...@vnode.se> wrote: > > On 05-09-2011 9:02, Bernhard Schmidt wrote: > >> On Mon, Sep 5, 2011 at 08:24, Joel Dahl <j...@vnode.se> wrote: > >> > On 05-09-2011 5:09, Adrian Chadd wrote: > >> >> On 5 September 2011 01:04, Joel Dahl <j...@vnode.se> wrote: > >> >> > Hi, > >> >> > > >> >> > I upgraded my laptop from BETA1 to rev. 225367 today, and now my > >> >> > laptop panics just a few minutes after booting. This is 100% > >> >> > reproducible, it panics every time. > >> >> > > >> >> > I've got a pic with the backtrace here: > >> >> > http://www.vnode.se/sc/panic_20110904.jpg > >> >> > >> >> Hi, > >> >> > >> >> There weren't many commits between BETA1 and -HEAD in the wireless > >> >> area; would you please do a binary search of the kernel revisions (no > >> >> need to do full buildworlds) to find which commit broke it? > >> > > >> > Yes, I'll do that tonight. > >> > >> While doing so, can you enable at least some debugging? > >> wlandebug +state > >> or even better > >> wlandebug 0xffffffff > >> > >> It smells like that something is poking the SW bmiss handler while not > >> in RUN state and therefore you're hitting a KASSERT(). Question is if > >> the bmiss timer isn't stopped/drained somewhere or if there is too > >> excessive call. > > > > Exactly what in the wlandebug output are you looking for? I've posted a pic > > at http://www.vnode.se/sc/panic_20110906.jpg showing what it looks like > > right > > before the panic. This is with "wlandebug 0xffffffff". > > Thanks, so, looks like it is scanning while the panic happens. At that > point it should actually never ever care about beacon misses.. this is > strange, really. > > Can you try to comment out the call to ieee80211_beacon_miss() on line > 2936 in if_iwn.c? If the panic no longer happens the issue is > somewhere in the conditions before that call.
Hm, this is with bwn(4), not iwn(4). :) -- Joel _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
