Hi, On Wed, 2009-04-22 at 02:45 -0700, Johannes Berg wrote: > Hi, > > > > > CTRL-EVENT-SCAN-RESULTS > > > > Trying to authenticate with 00:23:ab:xx:xx:xx (SSID='Guest' freq=2412 MHz) > > > > Trying to associate with 00:23:ab:xx:xx:xx (SSID='Guest' freq=2412 MHz) > > > > Associated with 00:23:ab:xx:xx:xx > > > > CTRL-EVENT-CONNECTED - Connection to 00:23:ab:xx:xx:xx completed (auth) [id=2 id_str=] > > > > CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys > > > > l2_packet_receive - recvfrom: Network is down > > > > Failed to initiate AP scan. > > > > Failed to initiate AP scan. > > > > ^CCTRL-EVENT-TERMINATING - signal 2 received > > > > > > > > So starting wpa_supplicant does its job fine, then running dhclient I > > > > end up in the disconnect and network down and after that scanning fails. > > > > > > ??? > > > > > > And the below kernel message is all yo uget? > > > > Yes, I am as puzzled as you are and can't make any sense out of it. It > > seems that something is going horribly wrong here somewhere. I just > > don't have any clue where. > > I just don't see anything in the kernel that would ever set the > interface down, as indicated there. > > > > > WARNING: at net/wireless/nl80211.c:205 nl80211_send_wiphy+0x4b/0x988 > > > > > [<ffffffffa0055e04>] nl80211_send_wiphy+0x4b/0x988 [cfg80211] > > > > > > What tree are you using? This warning totally confuses me -- there's no > > > code to produce it! It was a spurious warning Luis added some time ago, > > > we removed right away again and now it's haunting us. > > > > This is the iwlwifi tree based on wireless-testing. It should be > > re-based, but maybe an old patch is still stuck in it. Remember that I > > am using the nl80211 driver of wpa_supplicant. > > Indeed: > > $ git diff iwlwifi-2.6/master..wireless-testing/master net/wireless > diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c > index ebda7c5..97bb5c8 100644 > --- a/net/wireless/nl80211.c > +++ b/net/wireless/nl80211.c > @@ -202,8 +202,6 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, > int i; > u16 ifmodes = dev->wiphy.interface_modes; > > - assert_cfg80211_lock(); > - > hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); > if (!hdr) > return -1; > I have no idea how this was missed during a merge ... it is fixed now. Reinette -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html