From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 19B391EF1D for ; Mon, 10 Feb 2025 11:08:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739185728; cv=none; b=XEZGp0KS9nRLkGbp5oct1aeR1KuKIyYW7btiGFfjpmYrIVX3Q93s6e6eS7oAmjbnJeZNjUwUqN68Nhizy6QZHXG/bH/7HyRrJTPWnYM7MZXK/iB7wPGXCzza7G45byDfcxQSSHVH40L2YksvvYr7NJ/3ReDaHV1seq/lu7gw8PY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739185728; c=relaxed/simple; bh=dJVSIqN5cbTfbAIehKi9Ddy5SbqzAym5EqtV5iD+2qE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GoIiGyWSOFB2E7r3r1IXerxCnTfekaYQoDDMQkglh3KAr2L1W+jgL70DeXodr0dWEtjr56zeJlsyq2Lk3hwQNiFyeuYBOYxAf3anx5+57BhfbxQEvpbJRMphaWEN7EQObfJQuwnJSISgf6fFTjYWdDNxUau08OedAT+y27nHroY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dGgOhavu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dGgOhavu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C376C4CED1; Mon, 10 Feb 2025 11:08:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739185727; bh=dJVSIqN5cbTfbAIehKi9Ddy5SbqzAym5EqtV5iD+2qE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dGgOhavu8/KXn9RYptoG7ujWRUwwLOklXxJc32XRIgIkwsAHCsP1mzRhnqzAqTaGu FKiZEXqNP2YMudBp5ugXVrxaMMJVTDQx7Gd1foF4ja9JaFxm1RiSiQVsJYssbx2LuA jC2qX/+GYnYVPWMKeDy9Mm6Y5TcXtzuJXNDoJUbcF5hVDOEvMgCeQ+uYOFWWf/el65 dNNqtV4ZNcSrMGA1m8LLVkIUdNUQI/R2DPwwlGLYl466jpXoIIC2gigGRE+67ITAYZ PiSu18dgJNep7wLGCzdlgccpRAc5yU/zONw+sQ5wloQ4qaYDPbWS/u3NmSh+jNOIvx c/5a9Mw6oxkOw== Date: Mon, 10 Feb 2025 12:08:44 +0100 From: Niklas Cassel To: Daniel Baumann Cc: linux-ide@vger.kernel.org, Damien Le Moal , Dieter Mummenschanz Subject: Re: Samsung SSD 870 QVO LPM issues Message-ID: References: Precedence: bulk X-Mailing-List: linux-ide@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: On Wed, Feb 05, 2025 at 09:37:59AM +0100, Niklas Cassel wrote: > Hello Daniel, Dieter, > > Dieter recently submitted an issue on bugzilla that v6.14-rc1 > breaks entering lower power packages states: > https://bugzilla.kernel.org/show_bug.cgi?id=219747 > > Most likely, the problem is caused by Daniel's recent commit: > cc77e2ce187d ("ata: libata-core: Add ATA_QUIRK_NOLPM for Samsung SSD 870 > QVO drives") > > Dieter is using 'Samsung SSD 870 QVO 8TB', rev 'SVQ02B6Q'. > > No longer being able to enter lower package states, suggests that > LPM was previously working for Dieter's Samsung SSD 870 QVO drives. > > Daniel claimed that enabling LPM for his Samsung SSD 870 QVO drive, > caused them to stop working. > > > Could it be that you guys are running different firmware versions on > your Samsung SSD 870 QVO drives, and that Samsung has managed to fix > their LPM issues in more recent firmware updates? > > It seems like Dieter is using firmware 'SVQ02B6Q' > which also seems to be the latest when looking at: > https://semiconductor.samsung.com/consumer-storage/support/tools/ > > Daniel, could you please tell us which firmware version you are using? > > We might have to adjust the QUIRK to only apply for the firmware version > that you are using. > > It could also be interesting to see if you could update the firmware on > your drive, and revert the quirk, and see if LPM is working for you with > the latest firmware version. Hello Daniel, Could you please provide which firmware version you are using. If not, I do not see any other option but to revert your patch. Kind regards, Niklas