Return-path: Received: from eggs.gnu.org ([208.118.235.92]:58878 "EHLO eggs.gnu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764204AbdKSAjw (ORCPT ); Sat, 18 Nov 2017 19:39:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eGDeH-0001Wf-1m for linux-wireless@vger.kernel.org; Sat, 18 Nov 2017 19:39:49 -0500 Subject: Re: rtl8821ae dbi read question To: Larry Finger , linux-wireless@vger.kernel.org, pkshih@realtek.com References: <695fe947-7b0d-ef4b-5e90-ff503df6a08b@lwfinger.net> <6912fa90-4b21-c325-993b-27fed3c75293@gnu.org> <702e4270-dcf3-5916-daee-f2265e0da907@lwfinger.net> <41409929-78bb-f00b-74e5-b70d6d157c52@lwfinger.net> From: Nik Nyby Message-ID: <18ae2e47-aed9-0caa-7a17-1c98e4abc91c@gnu.org> (sfid-20171119_014028_984151_D93623A7) Date: Sat, 18 Nov 2017 19:39:41 -0500 MIME-Version: 1.0 In-Reply-To: <41409929-78bb-f00b-74e5-b70d6d157c52@lwfinger.net> Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 11/06/2017 08:52 AM, Larry Finger wrote: > > Your results seem to indicate that aspm, which is support_aspm > internally, is not being set to zero. The first executable statement in > enable_aspm is > >         if (!ppsc->support_aspm) >                 return; > > That statement should disable the entire routine; however, you still > need to disable the call to this routine. It is possible that the timing > is messed up when built into the kernel. Building as a module will be > instructive. > > Larry > FYI, when building this driver as a module, I'm not seeing my unstable connection problem anymore, with the aspm=0 config set in /etc/modprobe.d/. Thanks for your help with this.