From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Arend van Spriel" Subject: Re: BUG: All network processes hang (brcmsmac/wpa_supplicant) Date: Wed, 19 Oct 2011 14:58:22 +0200 Message-ID: <4E9EC96E.8020303@broadcom.com> References: <20111019123602.GA11883@schottelius.org> <1319028563.8416.1.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "Nico Schottelius" , LKML , "linux-wireless@vger.kernel.org" , netdev To: "Eric Dumazet" Return-path: In-Reply-To: <1319028563.8416.1.camel@edumazet-laptop> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 10/19/2011 02:49 PM, Eric Dumazet wrote: > Le mercredi 19 octobre 2011 =C3=A0 14:36 +0200, Nico Schottelius a =C3= =A9crit : >> Hello, >> >> I've >> >> Eric Dumazet [Tue, Oct 18, 2011 at 02:24:25PM +0200]: >>> Must be a mutex_unlock(some_mltex) missing somewhere. >>> >>> Then later, a process holding RTNL is blocking on mutex_lock(some_m= utex) >>> >>> Try a "CONFIG_LOCKDEP=3Dy" enabled build >> >> Did so, attached is the dmesg output after 3x suspend. >> >> It also seems this bug gets more / only triggered when I loose the >> connection to a wpa2-eap network that is defined like this: >> >> 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" >> } >> >> 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 ? >=20 > Note that you have "CONFIG_LOCKDEP_SUPPORT=3Dy", not "CONFIG_LOCKDEP=3D= y" >=20 Hi Eric, Are there any configuration setting needed that CONFIG_LOCKDEP depends = on? Gr. AvS