Return-path: Received: from mail-la0-f52.google.com ([209.85.215.52]:40332 "EHLO mail-la0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753199AbaBMMBo (ORCPT ); Thu, 13 Feb 2014 07:01:44 -0500 Received: by mail-la0-f52.google.com with SMTP id c6so7919506lan.25 for ; Thu, 13 Feb 2014 04:01:43 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20140116214357.GA10376@gobelin> References: <52B0B72A.5070704@gmail.com> <1387313079-28123-8-git-send-email-egrumbach@gmail.com> <20140113111357.GA4611@magnum.frso.rivierawaves.com> <0BA3FCBA62E2DC44AF3030971E174FB303D3C4A5@HASMSX103.ger.corp.intel.com> <20140113124049.GA5796@magnum.frso.rivierawaves.com> <52D83C56.5010706@gmail.com> <20140116214357.GA10376@gobelin> Date: Thu, 13 Feb 2014 14:01:43 +0200 Message-ID: (sfid-20140213_130149_244714_C87BDB2F) Subject: Re: [PATCH 08/36] iwlwifi: mvm: Change power management dependency on multi MAC From: Emmanuel Grumbach To: Karl Beldan Cc: "Grumbach, Emmanuel" , "linux-wireless@vger.kernel.org" , "Bondar, Alexander" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Jan 16, 2014 at 11:43 PM, Karl Beldan wrote: > On Thu, Jan 16, 2014 at 10:08:54PM +0200, Emmanuel Grumbach wrote: >> >>> >> >>> Hi, >> >>> >> >>> This broke monitor mode: >> >>> (unsetting .power_update_binding does not hang) >> >>> >> >>> modprobe iwlmvm >> >>> iw dev wlan0 set type monitor >> >>> iw dev wlan0 set freq 5180 40 5190 # hangs >> >>> >> >>> Can you reproduce it easily or do you need me to post further dbg info ? >> >>> >> >> >> >> We have an open bug on this internally - thanks for reporting. >> > >> > OK, BTW I have errors like >> > - "Microcode SW error detected." upon monitor up >> >> reading your mail again - is this related to monitor mode or not? >> > Yes, at least that's part of what I meant by "upon monitor up", it seems > to happen systematically when I bring a monitor iface up. > >> > - "iwlwifi 0000:02:00.0: FW error in SYNC CMD TXPATH_FLUSH" sometimes >> > after the subsequent ieee80211_restart_hw >> > - "WARNING: ... iwlwifi/mvm/binding.c:201 iwl_mvm_binding_remove_vif" >> > when removing a monitor iface >> > >> > You must have seen those too. I will avoid this tree with iwlwifi then. >> > >> >> I probably misunderstood this last sentence? > > I ecountered many problems with mvm in this tree, Eyal quickly fixed the > rs unending search cycle, you told me the monitor deadlock was already > filed internally on your side, the ones I mentioned in this thread, also > it seems that with the 7260-8.ucode I don't get anything on a monitor > iface except the mere traffic of another associated iface (when I have > such one). > Except maybe for the latter?, these bugs seem easy enough to trigger > and alarming enough that I suspect you already must be on your way to > fixing what you deem needs to .. and thus I did not feel bad not > dissecting or reporting further and droping this tree with iwlwifi. > I hope this clarifies the meaning and intention of the last sentence. > > I have been using the 7260 since last summer and, as I already mentioned > to Johannes, found it very useful, and wouldn't mind giving some > other out-of-tree patches a go. > Monitor mode should work with latest wireless-testing now.