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Re: Problem with IEEE80211_MONITORING_INTERVAL

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Hi Johannes,

> > > > 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.

I will try to install the latest wireless-testing from today and try
again since John merged all the patches. Maybe this is an issue with
wpa_supplicant and the nl80211 driver, but I am always running the
latest stuff here. As soon as Jouni pushes fixes, I run them.

> > > > 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 think that Reinette will fix that once she arrives at the office :)

Sorry about that confusion. I do still have an issue though.

Regards

Marcel


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