Return-path: Received: from s3.sipsolutions.net ([144.76.43.152]:48764 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754688AbaCOPUr (ORCPT ); Sat, 15 Mar 2014 11:20:47 -0400 Message-ID: <1394896841.30941.4.camel@jlt4.sipsolutions.net> (sfid-20140315_162110_370050_BDDC76C1) Subject: Re: [mac80211_hwsim] BUG: unable to handle kernel paging request at ce1db404 From: Johannes Berg To: Krishna Chaitanya Cc: Martin Pitt , Fengguang Wu , linux-wireless , netdev , linux-kernel@vger.kernel.org Date: Sat, 15 Mar 2014 16:20:41 +0100 In-Reply-To: (sfid-20140312_214614_906421_705BDEDC) References: <20140305125703.GA7193@localhost> <20140305132317.GB10880@localhost> <20140308121138.GA8359@localhost> <20140312173446.GD2983@piware.de> (sfid-20140312_214614_906421_705BDEDC) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, 2014-03-13 at 02:15 +0530, Krishna Chaitanya wrote: > From the logs it looks like "rate_control_alloc" is failed, > causing ieee80211_register_hw to fail triggering the crash. Yes. > what RC are u using? Default should be minstrel, i dont see > a reason for rc alloc to fail (remote reason kmalloc failure), > so did you disable RC completely? No prints either w.r.t RC either in > dmesg? Pay attention to the .config. johannes