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 B36161925BE for ; Thu, 5 Sep 2024 07:25:53 +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=1725521153; cv=none; b=Y4jZYsX30db3fC81XiIfUY0Uq8B0RkjFVKl3WaOLsieoQ33xLrmO1b3pcl6Py0OtKE+G1YUhiv3+Xwn4mPsZJI3Uw/79GpCxABObnb0Eg6WCTdjg48sNXaDo6Iln/qHUnhfI+jjQ13ejdkZjZOxvpg8B3UPgz0Ro3NVXGY9Er68= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725521153; c=relaxed/simple; bh=HmWJ+arhO4Sv2EIkKjlelBkQbd5k4cmf5j3kuYeCtDs=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=EPp4apDUKtIP9CQ0p+m+DHFJNbCnchqAF4lQ04mFnkYtlbe6+E+vZJLAPILVpR51dZn1WQR7fYWVTqKkXV4H8+8Y69eZyRfNTjoHqkQ7+VQyNx8xze2qdHUK0gsZBtLYKH2YYnosNAHdcIdhpNxODcwZPFyJSIpXSYad2+okUVY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oBJj3yWF; 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="oBJj3yWF" Received: by smtp.kernel.org (Postfix) with ESMTPS id 3B24CC4CEC4 for ; Thu, 5 Sep 2024 07:25:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725521153; bh=HmWJ+arhO4Sv2EIkKjlelBkQbd5k4cmf5j3kuYeCtDs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oBJj3yWFsAvYja/rd8hhoYrBfglhKFhlzs/h7BejKNYvqiDLhhykFDtrdZJhYOJjU ArONcppHU06D6yFJ2uNvpXoa8Hk+zp+FtgVU8DbSs98pOnXWmacgKpdSE+OX5g47GJ gToi6aEf8kUM75TFQwNBM4wSqm+DL+XeeRoP+36fibDTEBAQwM535cZKnB9kM9suZC SkLeR6IsYQnjWqLyIE9WL4XOEtRCcp0La25yl+tny0GynUhVTBhUwt135Glvs5ZiY2 EuhcBjTLInlLolvvSkOFQe7X9dm+TtKASvI6WmB+TA/b9Rtwpn0rZWG/GwqEOm59pa tl7T5N88tzdtw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 2A8ABC53BC4; Thu, 5 Sep 2024 07:25:53 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-ext4@vger.kernel.org Subject: [Bug 219166] occasional block layer hang when setting 'echo noop > /sys/block/sda/queue/scheduler' Date: Thu, 05 Sep 2024 07:25:52 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo fs_ext4@kernel-bugs.osdl.org X-Bugzilla-Product: File System X-Bugzilla-Component: ext4 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rjones@redhat.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: fs_ext4@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-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D219166 --- Comment #12 from Richard W.M. Jones (rjones@redhat.com) --- Is it possible to get this from 'crash' utility (ie from kernel structs)? = The VM hangs fairly hard when this problem is hit. I can try the kernel patches though, will see if I can do that today. --=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.=