From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751183AbcFXOpw (ORCPT ); Fri, 24 Jun 2016 10:45:52 -0400 Received: from smtp.opengridcomputing.com ([72.48.136.20]:58206 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750972AbcFXOpv (ORCPT ); Fri, 24 Jun 2016 10:45:51 -0400 From: "Steve Wise" To: Subject: vmcore not getting created on linux-4.7 Date: Fri, 24 Jun 2016 09:45:46 -0500 Message-ID: <007001d1ce27$17845550$468cfff0$@opengridcomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AdHOJsZJ5wC9tfMYRKCiQ5k7xCOhLA== Content-Language: en-us Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I've been trying to get crash dumps working on linux-4.7 and haven't succeeded. The kdump kernel boots up and appears to be chugging along and then just reboots and never creates the vmcore, and fails to create the vmcore-dmesg.txt, though I've never seen that working on my nodes. Below is the tail of the boot. Any ideas? Saving to the local filesystem UUID=f63753d9-74a5-4db8-9b63-2fc1ba2b5f85 e2fsck 1.42.12.wc1 (15-Sep-2014) /dev/sda2: recovering journal Setting free inodes count to 3490861 (was 3490926) Setting freeEXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: blocks count to 7307269 (was 7307159) /dev/sda2: clean, 678867/4169728 files, 9358331/16665600 blocks Free memory/Total memory (free %): 45936 / 112096 ( 40.9792 ) Loading SELINUX policy SELinux: Disabled at runtime. audit: type=1404 audit(1466753867.960:2): selinux=0 auid=4294967295 ses=4294967295 Policy load failed, a relabel will be required on reboot Saving vmcore-dmesg.txhpet1: lost 88 rtc interrupts t Missing the struct log size export Saving vmcore-dmesg.txt failed umount: can't umount /mnt/selinux: Invalid argument sd 3:0:0:0: [sdb] Synchronizing SCSI cache sd 1:0:0:0: [sda] Synchronizing SCSI cache iw_cxgb4:0000:82:00.4: Detach reboot: Restarting system reboot: machine restart