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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C2698C0015E for ; Mon, 17 Jul 2023 14:47:18 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=buRhAy3I; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4R4Q0P2y24z2yGQ for ; Tue, 18 Jul 2023 00:47:17 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=buRhAy3I; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=sachinp@linux.ibm.com; receiver=lists.ozlabs.org) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (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 4R4PzB4pCHz2yW0 for ; Tue, 18 Jul 2023 00:46:14 +1000 (AEST) Received: from pps.filterd (m0353727.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36HEaQ04010337 for ; Mon, 17 Jul 2023 14:46:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : content-type : content-transfer-encoding : mime-version : subject : message-id : date : cc : to; s=pp1; bh=4O8ipgD1PqiCINYHpbglrwspTsNvQVxq2rW7GOBomx4=; b=buRhAy3I4N33H1R89WsNKR+a41WOUWdNo2O4+/LP98HGeG9VWTRUhJwcknR3t3DWk7yf YHJGIoCpkb0IvIy7h3il3AuEVcVPvkMuAXIzr+iYCXfeHTW0kEVhQMozmJm2h9ZqTqOu CryeI63sFrtzAgbV4zBcPrL6LCbvVrR4XYyTRLMUkySZTrniK4kmUQSjmnB0pXO/BS+n hepQvY/gmST2QSFHM8Jn+rgo5TYFWcF24N1YLtuLtwqstK82sUwQC95LyDdlVZhyAvsO SnBimill+TxH2tnz+FHusJp5OTsrhsK3uQGiWrTC1AilFfWSbGLK9G6belim7VJ+1KYk tQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rw7cw0jxk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 17 Jul 2023 14:46:11 +0000 Received: from m0353727.ppops.net (m0353727.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 36HEae7D011775 for ; Mon, 17 Jul 2023 14:46:11 GMT Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rw7cw0jwb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 17 Jul 2023 14:46:10 +0000 Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 36H9C41C016862; Mon, 17 Jul 2023 14:46:09 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 3rv5srkaya-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 17 Jul 2023 14:46:09 +0000 Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 36HEk6mI9896670 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Jul 2023 14:46:06 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7B0F820043; Mon, 17 Jul 2023 14:46:06 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5745720040; Mon, 17 Jul 2023 14:46:05 +0000 (GMT) Received: from smtpclient.apple (unknown [9.43.42.123]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 17 Jul 2023 14:46:05 +0000 (GMT) From: Sachin Sant Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.600.7\)) Subject: Kernel Crash Dump (kdump) broken with 6.5 Message-Id: Date: Mon, 17 Jul 2023 20:15:53 +0530 To: linuxppc-dev , Nicholas Piggin X-Mailer: Apple Mail (2.3731.600.7) X-TM-AS-GCONF: 00 X-Proofpoint-GUID: bK44SgR4nhEMVQTva4HCsX0mik-zzCSj X-Proofpoint-ORIG-GUID: H3EZ_cxvbfrgOQVuq3Up_m-SUo8p4pzs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-17_11,2023-07-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 suspectscore=0 phishscore=0 adultscore=0 mlxlogscore=605 spamscore=0 priorityscore=1501 mlxscore=0 impostorscore=0 clxscore=1015 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307170133 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: , Cc: Sourabh Jain , Hari Bathini , Mahesh J Salgaonkar Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Kdump seems to be broken with 6.5 for ppc64le. [ 14.200412] systemd[1]: Starting dracut pre-pivot and cleanup hook... [[0;32m OK [0m] Started dracut pre-pivot and cleanup hook. Starting Kdump Vmcore Save Service... [ 14.231669] systemd[1]: Started dracut pre-pivot and cleanup hook. [ 14.231801] systemd[1]: Starting Kdump Vmcore Save Service... [ 14.341035] kdump.sh[297]: kdump: saving to = /sysroot//var/crash//127.0.0.1-2023-07-14-13:32:34/ [ 14.350053] EXT4-fs (sda2): re-mounted = e971a335-1ef8-4295-ab4e-3940f28e53fc r/w. Quota mode: none. [ 14.345979] kdump.sh[297]: kdump: saving vmcore-dmesg.txt to = /sysroot//var/crash//127.0.0.1-2023-07-14-13:32:34/ [ 14.348742] kdump.sh[331]: Cannot open /proc/vmcore: No such file or = directory [ 14.348845] kdump.sh[297]: kdump: saving vmcore-dmesg.txt failed [ 14.349014] kdump.sh[297]: kdump: saving vmcore [ 14.443422] kdump.sh[332]: open_dump_memory: Can't open the dump = memory(/proc/vmcore). No such file or directory [ 14.456413] kdump.sh[332]: makedumpfile Failed. [ 14.456662] kdump.sh[297]: kdump: saving vmcore failed, _exitcode:1 [ 14.456822] kdump.sh[297]: kdump: saving the = /run/initramfs/kexec-dmesg.log to = /sysroot//var/crash//127.0.0.1-2023-07-14-13:32:34/ [ 14.487002] kdump.sh[297]: kdump: saving vmcore failed [[0;1;31mFAILED[0m] Failed to start Kdump Vmcore Save Service. 6.4 was good. Git bisect points to following patch commit 606787fed7268feb256957872586370b56af697a powerpc/64s: Remove support for ELFv1 little endian userspace Reverting this patch allows a successful capture of vmcore. Does this change require any corresponding change to kdump and/or kexec tools? - Sachin