From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Berg Subject: Re: Occational lockups during boot with post 2.6.22 kernels Date: Wed, 18 Jul 2007 17:51:10 +0200 Message-ID: <1184773870.4002.8.camel@johannes.berg> References: <469E2AAB.2010408@redhat.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0481363156==" Cc: Peter Osterlund , Netdev , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Bcm43xx-dev-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org To: Chuck Ebbert Return-path: In-Reply-To: <469E2AAB.2010408-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: bcm43xx-dev-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org Errors-To: bcm43xx-dev-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org List-Id: netdev.vger.kernel.org --===============0481363156== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-cFIavx7nPsrz2d1k/Gh7" --=-cFIavx7nPsrz2d1k/Gh7 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2007-07-18 at 10:58 -0400, Chuck Ebbert wrote: > On 07/17/2007 08:20 PM, Peter Osterlund wrote: > > Current -git kernels sometimes lock up on my computer during boot. I > > guess it happens about 10-20% of the time. I first saw this maybe a > > week ago, but never with kernels <=3D 2.6.22. > >=20 > > The last reported info on the console is that named is started. > > SysRq-T still works and reports the non-sleeping tasks below. > >=20 > > My guess is that wpa_supplicant and events/0 deadlock and later the > > named thread also hangs when it needs a deadlocked resource. > >=20 > > I'm using the bcm43xx driver. > > =20 > > No lockdep errors are reported before the lockup. Earlier during boot > > the kernel reports: > >=20 > > Good, all 218 testcases passed! | >=20 > Try this, it should at least detect the problem: >=20 > http://lkml.org/lkml/2007/7/17/202 > http://lkml.org/lkml/2007/7/17/204 > http://lkml.org/lkml/2007/7/17/203 >=20 > It's a known bug in wireless/80211, not sure when it will be fixed. Heh, yes, that's the patchset that came from this bug :) A patch for this is available but due to process issues hasn't percolated up yet. See http://thread.gmane.org/gmane.linux.kernel.wireless.general/3315/focus=3D33= 19 johannes --=-cFIavx7nPsrz2d1k/Gh7 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iD8DBQBGnjbu/ETPhpq3jKURAkewAJ4upZrVdlFmk1Iu8lkl57u4JWVe9wCaA1Ja LtdjTGABatX+Da4zjdqWh40= =e7Hh -----END PGP SIGNATURE----- --=-cFIavx7nPsrz2d1k/Gh7-- --===============0481363156== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Bcm43xx-dev mailing list Bcm43xx-dev-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org https://lists.berlios.de/mailman/listinfo/bcm43xx-dev --===============0481363156==--