ok, do 'bt', and see what's being passed into ieee80211_beacon_update. Use 'frame X' to switch to frame X, and 'print VARIABLE_NAME' to print out the contents of the given variable name.
That mbuf looks like it's NULL, which is odd. Thanks! -a On 28 January 2014 14:45, Pedro Flynn <[email protected]> wrote: > OK! This is what I have: > > list * (0xffffffff809b1163) > Undefined command: "". Try "help". > (kgdb) list * (0xffffffff809b1163) > 0xffffffff809b1163 is in ieee80211_beacon_update > (/usr/src/sys/net80211/ieee80211_output.c:3099). > 3094 /* XXX do WME aggressive mode processing? */ > 3095 IEEE80211_UNLOCK(ic); > 3096 return 1; /* just assume length changed */ > 3097 } > 3098 > 3099 wh = mtod(m, struct ieee80211_frame *); > 3100 seqno = ni->ni_txseqs[IEEE80211_NONQOS_TID]++; > 3101 *(uint16_t *)&wh->i_seq[0] = > 3102 htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT); > 3103 M_SEQNO_SET(m, seqno); > Current language: auto; currently minimal > (kgdb) > > > (by the way, I'm building a kernel with debug symbols) > > Thanks, > > pflynn > > > > On Tue, Jan 28, 2014 at 8:34 PM, Adrian Chadd <[email protected]> wrote: >> >> Ok, fire up kgdb >> >> # kgdb /boot/kernel/kernel /var/crash/vmcore.0 >> >> then >> >> (gdb) list * (0xffffffff809b1163) >> >> (.. that's the "instruction pointer" at the time of the panic.) >> >> I bet it's iv_bss. >> >> >> >> -a > > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-wireless To unsubscribe, send any mail to "[email protected]"
