Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752038AbdDHHwz (ORCPT ); Sat, 8 Apr 2017 03:52:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42486 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751653AbdDHHwr (ORCPT ); Sat, 8 Apr 2017 03:52:47 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 3082E63E2E Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=bhe@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 3082E63E2E Date: Sat, 8 Apr 2017 15:52:43 +0800 From: Baoquan He To: Dan Williams Cc: Jeff Moyer , Linux Kernel Mailing List , "linux-nvdimm@lists.01.org" , thgarnie@google.com, Ingo Molnar Subject: Re: KASLR causes intermittent boot failures on some systems Message-ID: <20170408075243.GA26009@x1> References: <20170408040837.GD4111@x1> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.7.0 (2016-08-17) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sat, 08 Apr 2017 07:52:47 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4281 Lines: 74 Hi Dan, Thanks! On 04/08/17 at 12:02am, Dan Williams wrote: > > I got below problem when configure ndctl, didn't find a package named > > libkmod: > > > > ~~~~~~~~~ > > configure: error: Package requirements (libkmod) were not met: > > > > No package 'libkmod' found > > kmod-devel provides that dependency. Otherwise ndctl is included in > Fedora or you can find EPEL 7 packages here: > > https://copr.fedorainfracloud.org/coprs/djbw/ndctl/ I have installed kmod-devel, still the configure error occured. But it worked for me with the epel repo you provided to install ndctl. Seems it can't be reproduced on my beaker machine with 18G memory. I did steps as Jeff said, and reboot more than 5 times, no crash seen. Below is the abstracted part of boot log. [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.11.0-rc5+ root=/dev/mapper/fedora-root ro rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap console=ttyS0,115200n81 LANG=en_US.UTF-8 memmap=15G!4G crashkernel=384M [ 0.000000] x86/fpu: x87 FPU will use FXSAVE [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bf337fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bf338000-0x00000000bf3b8fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000bf3b9000-0x00000000bf3b9fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000bf3ba000-0x00000000bf3ccfff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bf3cd000-0x00000000bf3cdfff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000bf3ce000-0x00000000bf3defff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bf3df000-0x00000000bf3e1fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000bf3e2000-0x00000000bf446fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bf447000-0x00000000bf451fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000bf452000-0x00000000bf45cfff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000bf45d000-0x00000000bf47afff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bf47b000-0x00000000bf67dfff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000bf67e000-0x00000000bf7fffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000c0000000-0x00000000cfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x00000004bfffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] e820: user-defined physical RAM map: [ 0.000000] user: [mem 0x0000000000000000-0x000000000009d7ff] usable [ 0.000000] user: [mem 0x000000000009d800-0x000000000009ffff] reserved [ 0.000000] user: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] user: [mem 0x0000000000100000-0x00000000bf337fff] usable [ 0.000000] user: [mem 0x00000000bf338000-0x00000000bf3b8fff] ACPI NVS [ 0.000000] user: [mem 0x00000000bf3b9000-0x00000000bf3b9fff] ACPI data [ 0.000000] user: [mem 0x00000000bf3ba000-0x00000000bf3ccfff] reserved [ 0.000000] user: [mem 0x00000000bf3cd000-0x00000000bf3cdfff] ACPI NVS [ 0.000000] user: [mem 0x00000000bf3ce000-0x00000000bf3defff] reserved [ 0.000000] user: [mem 0x00000000bf3df000-0x00000000bf3e1fff] ACPI NVS [ 0.000000] user: [mem 0x00000000bf3e2000-0x00000000bf446fff] reserved [ 0.000000] user: [mem 0x00000000bf447000-0x00000000bf451fff] ACPI data [ 0.000000] user: [mem 0x00000000bf452000-0x00000000bf45cfff] ACPI NVS [ 0.000000] user: [mem 0x00000000bf45d000-0x00000000bf47afff] reserved [ 0.000000] user: [mem 0x00000000bf47b000-0x00000000bf67dfff] ACPI NVS [ 0.000000] user: [mem 0x00000000bf67e000-0x00000000bf7fffff] usable [ 0.000000] user: [mem 0x00000000c0000000-0x00000000cfffffff] reserved [ 0.000000] user: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000] user: [mem 0x00000000ff000000-0x00000000ffffffff] reserved [ 0.000000] user: [mem 0x0000000100000000-0x00000004bfffffff] persistent (type 12) [ 0.000000] SMBIOS 2.4 present.