Dan Williams wrote: > On Fri, 2009-08-07 at 21:42 +0100, Dave wrote: >> David Kilroy wrote: >>> First attempt at connect/disconnect, join_ibss/leave_ibss, and add_key >>> etc. These patches rely on the series I just sent, but conflict with >>> Holgers set_channel patch. Simple to resolve, and I'll do that in my >>> next update. >>> >>> This doesn't work yet*, but I've a number of questions. >> FYI, I've got this kinda working with wpa_supplicant in wext mode. >> >> First: on it's own wpa_supplicant keeps doing the 4 way handshake, while >> cfg80211 pumps out the following: >> >> ------------[ cut here ]------------ >> WARNING: at net/wireless/sme.c:451 __cfg80211_roamed+0x9a/0x1a5 [cfg80211]() >> Hardware name: Latitude C600 >> Modules linked in: orinoco_cs orinoco cfg80211 michael_mic snd_maestro3 >> aty128fb [last unloaded: cfg80211] >> Pid: 5, comm: events/0 Tainted: G M W 2.6.31-rc4-wl #87 >> Call Trace: >> [<c101ca51>] warn_slowpath_common+0x60/0x90 >> [<c101ca8e>] warn_slowpath_null+0xd/0x10 >> [<d1521659>] __cfg80211_roamed+0x9a/0x1a5 [cfg80211] >> [<d15139a9>] cfg80211_event_work+0x104/0x1bc [cfg80211] >> [<c102b39c>] worker_thread+0x15e/0x208 >> [<d15138a5>] ? cfg80211_event_work+0x0/0x1bc [cfg80211] >> [<c102e5d5>] ? autoremove_wake_function+0x0/0x33 >> [<c102b23e>] ? worker_thread+0x0/0x208 >> [<c102e261>] kthread+0x66/0x6b >> [<c102e1fb>] ? kthread+0x0/0x6b >> [<c1003053>] kernel_thread_helper+0x7/0x10 >> ---[ end trace 12e5dbe2024c37ae ]--- >> >> Cfg80211 is trying to select the bss we've authenticated against. >> Unfortunately the BSS list is empty. >> >> If before starting wpa_supplicant I run: >> >> iw dev eth1 scan ssid <SSID> >> >> Then wpa_supplicant connects fine. The AP in question is configured with >> a hidden SSID. >> >> Any suggestions as to how I need to address this? > > Do a scan before you try to associate? Most fullmac cards do one > internally in the firmware before they try to associate anyway, but they > may not emit the event to the driver. If you're not doing a scan when > you get the associate request, you probably should do one, let cfg80211 > cache the bss list, and then you're fine, right? That should work. I just realised why it's doing this. I have wpa_supplicant configured with ap_scan=2, so it doesn't scan before connecting. Just tried wpa_supplicant in nl80211 mode. In that case, it's stuck in scanning (presumably ignoring my ap_scan setting). It's not seeing my AP (because it's hidden?), and so doesn't proceed. And I can't seem to get it to do an active scan for my AP. Dave. -- 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
