Return-path: Received: from mail-lb0-f172.google.com ([209.85.217.172]:61068 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752737AbaGFE45 (ORCPT ); Sun, 6 Jul 2014 00:56:57 -0400 Received: by mail-lb0-f172.google.com with SMTP id c11so2008394lbj.17 for ; Sat, 05 Jul 2014 21:56:56 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <53B8D0AA.7020703@lwfinger.net> References: <53B756D8.1080909@lwfinger.net> <53B8D0AA.7020703@lwfinger.net> Date: Sun, 6 Jul 2014 07:56:56 +0300 Message-ID: (sfid-20140706_065700_958227_391C355C) Subject: Re: Microcode SW errors for Intel 7260 From: Emmanuel Grumbach To: Larry Finger Cc: Johannes Berg , Emmanuel Grumbach , Intel Linux Wireless , linux-wireless Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Larry, > I am obviously missing something. Neither iwlwifi nor iwlwifi_msg are listed > in /sys/kernel/debug/tracing/available_events/, thus trace-cmd cannot enable > logging those events. The output is as follows: > > finger@linux-rcu3:~/wireless-testing> sudo trace-cmd record -e iwlwifi -e > iwlwifi_msg > /sys/kernel/debug/tracing/events/iwlwifi_msg/filter > /sys/kernel/debug/tracing/events/*/iwlwifi_msg/filter > trace-cmd: No such file or directory > No events enabled with iwlwifi_msg > finger@linux-rcu3:~/wireless-testing> > > > I compared my .config with one for the openSUSE kernel 3.11.10, and the > kernel hacking section has the same settings. > > Do you have any suggestions? > Do you have CONFIG_IWLWIFI_DEVICE_TRACING enabled? If not, please enable it. Note that I don't really need iwlwifi_msg. iwlwifi should be enough. If you have CONFIG_IWLWIFI_DEBUG, then running with debug=0x00000800 as a module parameter should be enough if that can save you a kernel compilation. Thanks.