From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:49329 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932077Ab3CVK3B (ORCPT ); Fri, 22 Mar 2013 06:29:01 -0400 Message-ID: <1363948082.8238.9.camel@jlt4.sipsolutions.net> (sfid-20130322_112929_879124_B0D0B907) Subject: Re: [PATCH 2/2] mac80211: Make un-found-rate splat a warn-once. From: Johannes Berg To: greearb@candelatech.com Cc: linux-wireless@vger.kernel.org Date: Fri, 22 Mar 2013 11:28:02 +0100 In-Reply-To: <1363727997-1554-2-git-send-email-greearb@candelatech.com> (sfid-20130319_222017_355151_860485B7) References: <1363727997-1554-1-git-send-email-greearb@candelatech.com> <1363727997-1554-2-git-send-email-greearb@candelatech.com> (sfid-20130319_222017_355151_860485B7) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, 2013-03-19 at 14:19 -0700, greearb@candelatech.com wrote: > From: Ben Greear > > After that, print it out with net_ratelimit. We saw a system > continually hit this warning, for reasons unknown, and it > seems it bogged the system down enough to make it go OOM. I'm not really sure I like this ... that points to a deeper problem, and this just papers over it while causing more cost in the TX path for all the different checks. johannes