From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: BUG: All network processes hang (brcmsmac/wpa_supplicant) Date: Wed, 19 Oct 2011 14:49:23 +0200 Message-ID: <1319028563.8416.1.camel@edumazet-laptop> References: <20111019123602.GA11883@schottelius.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Arend van Spriel , LKML , "linux-wireless@vger.kernel.org" , netdev To: Nico Schottelius Return-path: In-Reply-To: <20111019123602.GA11883@schottelius.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Le mercredi 19 octobre 2011 =C3=A0 14:36 +0200, Nico Schottelius a =C3=A9= crit : > Hello, >=20 > I've >=20 > Eric Dumazet [Tue, Oct 18, 2011 at 02:24:25PM +0200]: > > Must be a mutex_unlock(some_mltex) missing somewhere. > >=20 > > Then later, a process holding RTNL is blocking on mutex_lock(some_m= utex) > >=20 > > Try a "CONFIG_LOCKDEP=3Dy" enabled build >=20 > Did so, attached is the dmesg output after 3x suspend. >=20 > It also seems this bug gets more / only triggered when I loose the > connection to a wpa2-eap network that is defined like this: >=20 > network=3D{ > ssid=3D"eth" > id_str=3D"eth-802.2x" > key_mgmt=3DWPA-EAP > proto=3DWPA2 > eap=3DTTLS > pairwise=3DCCMP TKIP > group=3DCCMP TKIP > phase2=3D"auth=3DMSCHAPV2" > identity=3D"MYNAME" > password=3D"forgottoremoveit" > } >=20 > Hope the dmesg output helps and we can remove the problem soon > and making the mba finally almost completly usable :-) >=20 Sorry, no CONFIG_LOCKDEP in your config or dmesg. Maybe you sent a previous dmesg/config file ? Note that you have "CONFIG_LOCKDEP_SUPPORT=3Dy", not "CONFIG_LOCKDEP=3D= y"