From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 987A3C001DC for ; Thu, 13 Jul 2023 08:48:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233535AbjGMIsk (ORCPT ); Thu, 13 Jul 2023 04:48:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234788AbjGMIsP (ORCPT ); Thu, 13 Jul 2023 04:48:15 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D839D1BF6; Thu, 13 Jul 2023 01:47:46 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id B9A351F855; Thu, 13 Jul 2023 08:47:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1689238063; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=yLtfPAZsvpeWczNM+t4zcESEp5Dk4o94Mp02aHG++MY=; b=AOaOkSEa/3bsAS0pOGj2OvVlAls79RqKFxDN3P8nEtp1oN7C11Vk5vwXmWhhjDp2GXOW4d pVtarbjWl9UyAQimXe+IplLDZ55aq03uvW11nV/GUQEkN6TH+I+48qunFLSb2sdwkIZv83 W+MlH2bNb20pQlZay3sPlpjTjLMZt6s= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1689238063; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=yLtfPAZsvpeWczNM+t4zcESEp5Dk4o94Mp02aHG++MY=; b=D8oHXgP3NXxjChhLS6TUZQ/1kY6OYIOP2fuUEGgEJzKgRlRgbgdt+En8XmjkvBYpbVe2kh UcQOay5an3KIaBAQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 8174613489; Thu, 13 Jul 2023 08:47:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id fjDEHi+6r2SHOAAAMHmgww (envelope-from ); Thu, 13 Jul 2023 08:47:43 +0000 Date: Thu, 13 Jul 2023 10:47:43 +0200 Message-ID: <87ilaofb9s.wl-tiwai@suse.de> From: Takashi Iwai To: Mark Brown Cc: =?ISO-8859-1?Q?=22N=EDcolas_F=2E_R=2E_A=2E=22?= Prado , Jaroslav Kysela , kernel@collabora.com, AngeloGioacchino Del Regno , Shuah Khan , Takashi Iwai , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH 2/2] kselftest/alsa: pcm-test: Decrease stream duration from 4 to 2 seconds In-Reply-To: <87ef1544-c1aa-4cce-82f2-60c6f1c2b1c8@sirena.org.uk> References: <20230620220839.2215057-3-nfraprado@collabora.com> <33bea0d3-b8dd-4936-812e-392166df4437@sirena.org.uk> <443f697b-fecf-6e8e-0b76-65257aff7da8@perex.cz> <9069ad0c-d166-4620-a3de-a36ab233cab0@sirena.org.uk> <5c2d5213-5299-44f1-9611-26002c8a5d3a@notapiano> <87352krcz5.wl-tiwai@suse.de> <87wmzwptu0.wl-tiwai@suse.de> <06b8bfde-e4f1-48ea-aa3e-35d2fe5df046@sirena.org.uk> <87wmz8i746.wl-tiwai@suse.de> <87ef1544-c1aa-4cce-82f2-60c6f1c2b1c8@sirena.org.uk> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13 Jul 2023 00:03:24 +0200, Mark Brown wrote: > > On Mon, Jul 10, 2023 at 09:00:09AM +0200, Takashi Iwai wrote: > > Mark Brown wrote: > > > > For KernelCI we've got coverage on both. I can also run stuff on the > > > boards I have in my lab on demand of course, but there's more coverage > > > in KernelCI. > > > OK, now I applied those two patches to for-next branch (i.e. for 6.6 > > kernel). Let's watch out. > > I'm seeing failures on my i.MX6 boards, both the Q and DL have started > failing in the same way: > > # default.time3.0.0.0.PLAYBACK - 44.1kHz stereo large periods > # default.time3.0.0.0.PLAYBACK hw_params.RW_INTERLEAVED.S16_LE.44100.2.16383.131064 sw_params.131064 > not ok 10 default.time3.0.0.0.PLAYBACK > # time mismatch: expected 2000ms got 2229 > > reliably (the actual time drifts by a few ms). The other boards I've > got coverage of seem fine, and I didn't check any broader CI yet. Interesting. With the current patch, we rather extended the margin in proportion; formerly 4 sec +/- 0.1s, now 2 sec +/- 0.1s. And it exceeded out of sudden. I guess this rather caught a problem of the driver itself. thanks, Takashi