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[50.39.160.111]) by smtp.gmail.com with ESMTPSA id g18sm5023438pfq.146.2020.05.28.08.16.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 May 2020 08:16:37 -0700 (PDT) Message-ID: Subject: Re: Potential IBSS race From: James Prestwood To: Johannes Berg , linux-wireless@vger.kernel.org Date: Thu, 28 May 2020 08:16:36 -0700 In-Reply-To: References: (sfid-20200506_174456_293312_214B015A) <845ab63a2796fa0a4d7042f79268a2e10f87bd99.camel@gmail.com> (sfid-20200528_010646_663816_382F3247) Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.32.5 (3.32.5-1.fc30) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Thu, 2020-05-28 at 08:56 +0200, Johannes Berg wrote: > On Wed, 2020-05-27 at 16:06 -0700, James Prestwood wrote: > > > > Maybe that's a better approach - make the merge timer be > > > randomized > > > between 30 and 60 seconds or so, so that they can eventually > > > merge. > > > > > > > That sounds good, unfortunately it doesn't really help with our > > test > > environment since we don't want to wait around for that long... But > > yeah due to how long scanning takes, maybe thats just the way it > > is. > > If you can come up with a better solution, I'm all ears :) > > But if your main concern is about the wait in testing, then I suggest > you go to ARCH=um and time-travel=infcpu testing like wpa_supplicant > has > done, that was something like a 6x (!) testing speed increase for me. Hmm, I'll play around with this. Sounds promising. Thanks > > Since it's all software/hwsim that shouldn't be too difficult. > > johannes >