From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail5.25mail.st (mail5.25mail.st [74.50.62.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B7C3C8FF; Mon, 12 Feb 2024 07:27:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.50.62.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707722880; cv=none; b=alAnHgdIzWmKFqAC18pJovBh+7924QHAS71598va3ol2etj2BRRlidgsf0J8bWK6Nscus4fx13xEt9TfvTUP/Wsi6P7F107Farp2m84lDqtuBwsMdI+WwxVQOcbMUK44pejQGHspXGAMlO9SnPpPlvzOTBAM0/V6r2RQQHZ+zRM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707722880; c=relaxed/simple; bh=Tc010E4x7XXx94nau3OGETTxuD/03Hnk8S4WG3XmrD8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=T7u6GV26BzsBUqMBOjT+CH946J54GGUUcfBNOzASobSFM1XoYLU0y/9n72Ifacyne9tMIpxFgr4ZnebVsZB/HP4Yzgpf9zBFZ+/ulUU3wBQQYfKX4lIjPVSGfTGiFQimjLzchs9V8PFjpLafMlmLIHKI0r8MFOeU9VB5ulrGNbE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com; spf=fail smtp.mailfrom=atomide.com; dkim=pass (2048-bit key) header.d=atomide.com header.i=@atomide.com header.b=TBMUu/EV; arc=none smtp.client-ip=74.50.62.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=atomide.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=atomide.com header.i=@atomide.com header.b="TBMUu/EV" Received: from localhost (91-158-86-216.elisa-laajakaista.fi [91.158.86.216]) by mail5.25mail.st (Postfix) with ESMTPSA id E2D6C603D2; Mon, 12 Feb 2024 07:27:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=atomide.com; s=25mailst; t=1707722877; bh=Tc010E4x7XXx94nau3OGETTxuD/03Hnk8S4WG3XmrD8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TBMUu/EVowKs1ICTuajeMKg/Y0dkVy/6dLWfvbxyxyZ3UOrKPntdACEwdSeopJvOo kdiLaQItWy0MBouY2/wbxtFmu5RqbeSvBZIq/6tgDpCCVMEqCq9gvJK1L/tjECVojY sdfN8f5vqxYOQ0lhbEMdb/EyzifQX4LoQl50sUFs85BheNvWF+Xi2Yhj93iDMSfjCP AGy+beYBt7zlIyyk4yJOvUbvA+CJyaDBrPZ2a1jlodSZjM/yBbXWHNXIM8E2BdgfR9 fKczgBFJaIohW1KaSzd6ZVtYH8B3ALRcdPMLLX5xzWCctT46AXwMu3amoOpH61QefA VsHPb87m/6m8A== Date: Mon, 12 Feb 2024 09:27:40 +0200 From: Tony Lindgren To: Adam Ford Cc: Romain Naour , Linux-OMAP , Nishanth Menon , linux-mmc@vger.kernel.org, Ulf Hansson , Adrian Hunter Subject: Re: sdhci-omap: issues with PM features since 5.16 Message-ID: <20240212072740.GC52537@atomide.com> References: <20240127044851.GW5185@atomide.com> <20240129111733.GX5185@atomide.com> <7d72f3ee-bcfe-4197-b492-857dc49b2788@smile.fr> <20240131103050.GZ5185@atomide.com> <519f7e2e-4df2-4b3c-90e2-2383b6b34562@smile.fr> <20240202043601.GA5185@atomide.com> <6eced20a-6454-4824-a149-ee331ebb7eec@smile.fr> Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: * Adam Ford [240208 12:57]: > I was testing the newer MMC driver on an AM3517 a few months ago, and > I noticed that SD cards were returning weird or empty data after some > indeterminate amount of time. If I read the IOS file immediately > after boot, it worked. If I forced some sort of file IO, it might > work, but after it went idle, it appeared to have strange data. I > don't think this bug is limited to one platform. OK interesting. So the zero values for ios are expected when the card is idle. What do you mean by weird values when idle? Can you please try catch the weird values or a failure maybe with something like: while true; do cat /sys/kernel/debug/mmc0/ios fdisk -l /dev/mmcblk0 cat /sys/kernel/debug/mmc0/ios sleep 20 done Regards, Tony