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;
johannes
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