Return-path: Received: from 162-17-110-37-static.hfc.comcastbusiness.net ([162.17.110.37]:59160 "EHLO stuffed.shaftnet.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1033208AbeBOUDJ (ORCPT ); Thu, 15 Feb 2018 15:03:09 -0500 Date: Thu, 15 Feb 2018 14:05:41 -0500 From: Solomon Peachy To: Iago Abal Cc: Johannes Berg , Kalle Valo , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: Re: Potential deadlock BUG in drivers/net/wireless/st/cw1200/sta.c (Linux 4.9) Message-ID: <20180215190541.GA27044@shaftnet.org> (sfid-20180215_210333_375097_E103C549) References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="bg08WKrSYDhXBjb5" In-Reply-To: Sender: linux-wireless-owner@vger.kernel.org List-ID: --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 06, 2018 at 09:04:29PM +0100, Iago Abal wrote: > This still looks like a deadlock bug to me, could someone take a look > as well and confirm? I will help preparing a patch if needed. The short answer: yes, it deadlocks. I'll be glad to review patches (this code is pretty tricky, but I=20 believe the deadlock got introduced/exposed by different code changes) but unfortunately my last move killed the hardware capable of=20 accepting my SDIO CW1200 dongles. Hmm, might be worth trolling ebay or something. - Solomon --=20 Solomon Peachy pizza at shaftnet dot org Coconut Creek, FL ^^ (email/xmpp) ^^ Quidquid latine dictum sit, altum videtur. --bg08WKrSYDhXBjb5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQR2UQuVfi4HbxEN7SQ+4uCKLbvn0AUCWoXaBAAKCRA+4uCKLbvn 0GnOAKDm3jlaBNkVyhwF/Sv2jaRhUFky8wCfTKBIRJXFSpNNbn0O8yY2DSXYK98= =3HKl -----END PGP SIGNATURE----- --bg08WKrSYDhXBjb5--