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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59ACBC04AB4 for ; Sun, 19 May 2019 19:37:02 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 17D3820578 for ; Sun, 19 May 2019 19:37:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 17D3820578 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 456XNB2Gm4zDqH5 for ; Mon, 20 May 2019 05:36:58 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=bugzilla.kernel.org (client-ip=198.145.29.98; helo=mail.wl.linuxfoundation.org; envelope-from=bugzilla-daemon@bugzilla.kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=bugzilla.kernel.org Received: from mail.wl.linuxfoundation.org (mail.wl.linuxfoundation.org [198.145.29.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 456XKl1y6wzDqFh for ; Mon, 20 May 2019 05:34:50 +1000 (AEST) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 63514285AF for ; Sun, 19 May 2019 19:34:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 56D3B285C6; Sun, 19 May 2019 19:34:48 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: linuxppc-dev@lists.ozlabs.org Subject: [Bug 203647] New: Locking API testsuite fails "mixed read-lock/lock-write ABBA" rlock on kernels >=4.14.x Date: Sun, 19 May 2019 19:34:47 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo platform_ppc-64@kernel-bugs.osdl.org X-Bugzilla-Product: Platform Specific/Hardware X-Bugzilla-Component: PPC-64 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: erhard_f@mailbox.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: platform_ppc-64@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" https://bugzilla.kernel.org/show_bug.cgi?id=3D203647 Bug ID: 203647 Summary: Locking API testsuite fails "mixed read-lock/lock-write ABBA" rlock on kernels >=3D4.14.x Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.1.3 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: PPC-64 Assignee: platform_ppc-64@kernel-bugs.osdl.org Reporter: erhard_f@mailbox.org Regression: No Created attachment 282831 --> https://bugzilla.kernel.org/attachment.cgi?id=3D282831&action=3Dedit dmesg (5.1.3, G5 11,2) Probably this test fails on ppc64 since it is around. Kernel 4.9.x passes a= ll tests, since it does not seem to contain "mixed read-lock/lock-write ABBA". Machine is a PowerMac G5 11,2 running Gentoo Linux ppc64, Big Endian, 4 KiB pagesize. [ 0.002051] ------------------------ [ 0.002065] | Locking API testsuite: [ 0.002079] ---------------------------------------------------------------------------- [ 0.002111] | spin |wlock |rlock |mutex= | wsem | rsem | [ 0.002142]=20=20 -------------------------------------------------------------------------- [ 0.002179] A-A deadlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.007366] A-B-B-A deadlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.012471] A-B-B-C-C-A deadlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.017598] A-B-C-A-B-C deadlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.022740] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.027912] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.033083] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.038269] double unlock: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.043319] initialize held: ok | ok | ok | ok = |=20 ok | ok | ok | [ 0.048379]=20=20 -------------------------------------------------------------------------- [ 0.048411] recursive read-lock: | ok |=20= =20=20=20=20=20=20=20=20 | ok | [ 0.049894] recursive read-lock #2: | ok |=20= =20=20=20=20=20=20=20=20 | ok | [ 0.051375] mixed read-write-lock: | ok |=20= =20=20=20=20=20=20=20=20 | ok | [ 0.052859] mixed write-read-lock: | ok |=20= =20=20=20=20=20=20=20=20 | ok | [ 0.054333] mixed read-lock/lock-write ABBA: |FAILED|=20= =20=20=20=20=20=20=20=20 | ok | [ 0.055802] mixed read-lock/lock-read ABBA: | ok |=20= =20=20=20=20=20=20=20=20 | ok | [ 0.057290] mixed write-lock/lock-write ABBA: | ok |=20= =20=20=20=20=20=20=20=20 | ok | [ 0.058771]=20=20 -------------------------------------------------------------------------- --=20 You are receiving this mail because: You are watching the assignee of the bug.=