From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:56518 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756136Ab0KSR4B (ORCPT ); Fri, 19 Nov 2010 12:56:01 -0500 Subject: Re: [PATCH] mac80211: Fix deadlock in ieee80211_do_stop. From: Johannes Berg To: Tejun Heo Cc: Ben Greear , linux-wireless@vger.kernel.org In-Reply-To: <4CE68AF4.8060507@kernel.org> References: <1289592426-5367-1-git-send-email-greearb@candelatech.com> <1289594998.3736.11.camel@jlt3.sipsolutions.net> <4CDDAA3B.9090007@candelatech.com> <1289596096.3736.13.camel@jlt3.sipsolutions.net> <4CDE699B.70401@kernel.org> <4CE1A344.7040201@candelatech.com> <4CE292F7.4090200@kernel.org> <1289929258.3673.1.camel@jlt3.sipsolutions.net> <4CE396A9.1050908@kernel.org> <1290020005.3777.6.camel@jlt3.sipsolutions.net> <4CE4C8DD.6010806@kernel.org> <51f5dd53c39a77fff4efc1a99b189725@localhost> <4CE4D41F.1080005@kernel.org> <1290099585.3801.1.camel@jlt3.sipsolutions.net> <4CE68AF4.8060507@kernel.org> Content-Type: text/plain; charset="UTF-8" Date: Fri, 19 Nov 2010 09:57:32 -0800 Message-ID: <1290189452.3768.3.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, 2010-11-19 at 15:34 +0100, Tejun Heo wrote: > Awesome. :-) > > Ben, if you have trouble generating full trace, please let me know if > there's something I can buy which isn't too expensive to reproduce the > problem. I would be happy to track it down myself. Maybe you can try Ben's setup in kvm (or directly on your box if you like) with mac80211_hwsim. From a mac80211 POV it should be almost equivalent, although it'll do different memory allocation patterns etc. johannes