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 8E39E11717 for ; Wed, 6 Dec 2023 06:51:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="USpUEEwb" Received: by smtp.kernel.org (Postfix) with ESMTPS id F0CD1C433C8 for ; Wed, 6 Dec 2023 06:51:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701845467; bh=UR7p/EAxQ+TDrXPl80i00N2pbtQNdBmGN2vE/4tSVIQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=USpUEEwbH8l+8Mvs65BH4L9XVRa6IusTXKfTJqTOuTPezH/XrXRcnBplfYXOk2ddR YfOWyPW93y6StaHDcGyS8vvi4PJoh+tIiS7M1mq1clfwFKv8v1+R99HMg276/mQAuS 13/VGSBB+n624OwREupsyi9UiIpZuJ9xK3sXxSrgR3yNM2m+U9w6/EivfJh8wydbLB qqNCYcvm6icSB8NLlaaIbuHaNxGa265s8OukWIsLzYROHmjLtmOl25/e3KZUqDrcEw C4CdXuo4er2eYFkNYQ28JYpe0bTtx7VGs1qnlyUVI8QX7eNN+0oJ48QfVQgYaw8rAq t6KT90sTMkgeQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id D5BDBC53BD0; Wed, 6 Dec 2023 06:51:06 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-scsi@vger.kernel.org Subject: [Bug 218198] Suspend/Resume Regression with attached ATA devices Date: Wed, 06 Dec 2023 06:51:06 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo scsi_drivers-other@kernel-bugs.osdl.org X-Bugzilla-Product: SCSI Drivers X-Bugzilla-Component: Other X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: high X-Bugzilla-Who: dmummenschanz@web.de X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: scsi_drivers-other@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D218198 --- Comment #15 from Dieter Mummenschanz (dmummenschanz@web.de) --- (In reply to Phillip Susi from comment #14) > bugzilla-daemon@kernel.org writes: >=20 >=20 > 2) A mounted filesystem periodically issues a FLUSH CACHE command, even > if nothing has been written. A drive in STANDBY just ignores it but in > SLEEP, it wakes up. >=20 > I would imagine at once you access the disk in some way and so it wakes > up, you won't get back to pc8 again without another hdparm -Y? Is that > correct? No or at least I don't see this behaviour. However the drives occasional se= em to have some trouble waking up after resume and hdparm -Y: [59984.831894] ata5.00: exception Emask 0x0 SAct 0x2000000 SErr 0x10000 act= ion 0x6 [59984.831907] ata5.00: waking up from sleep [59984.831914] ata5: hard resetting link [59985.145261] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [59985.148840] ata5.00: supports DRM functions and may not be fully accessi= ble [59985.153322] ata5.00: supports DRM functions and may not be fully accessi= ble [59985.156822] ata5.00: configured for UDMA/133 [59985.166903] ahci 0000:00:17.0: port does not support device sleep [59985.167045] ata5: EH complete [59985.167268] ata5.00: Enabling discard_zeroes_data When that happens the system is stuck in pc2/pc3 for a couple of minutes but then transitions back in partial to pc8. Regarding your patches: Anything I can test for you? :) --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=