Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933391AbdCMCyO (ORCPT ); Sun, 12 Mar 2017 22:54:14 -0400 Received: from ipmail06.adl2.internode.on.net ([150.101.137.129]:33406 "EHLO ipmail06.adl2.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755714AbdCMCyJ (ORCPT ); Sun, 12 Mar 2017 22:54:09 -0400 X-Greylist: delayed 303 seconds by postgrey-1.27 at vger.kernel.org; Sun, 12 Mar 2017 22:54:09 EDT X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2Ao/wCBB8ZYAFZm0nZcgxmBc4RAgyuHVqglQQGIIlgDAQEBAQECDwEBATJPhT8VHjsdAmMkDQgBAYl7oBCQBoImiwqBC4VDggWNIwWJJYY2jGaCA6FbhgKNQVaBBSMWKoc1LYojAQEB X-IronPort-SPAM: SPAM To: Linux Kernel Mailing List From: Arthur Marsh Subject: 4.11.0-rc2 BUG: Bad page map in process libinput-device Message-ID: <54735d8d-11df-80d5-c676-47d03060365d@internode.on.net> Date: Mon, 13 Mar 2017 13:19:00 +1030 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1529 Lines: 39 I've had no issues building the 4.11.0-rc1+ kernels on x86_64 until some commits in the last 24 hours, that resulted in: [ 18.746569] BUG: Bad page map in process libinput-device pte:00003f90 pmd:22 0910067 [ 18.746757] addr:00007efd31d00000 vm_flags:08000070 anon_vma: (null) mapping:ffff9e282db48320 index:1a0 [ 18.747051] file:libffi.so.6.0.4 fault:ext4_filemap_fault [ext4] mmap:ext4_fi le_mmap [ext4] readpage:ext4_readpage [ext4] [ 18.747243] CPU: 1 PID: 548 Comm: libinput-device Not tainted 4.11.0-rc2 #2635 [ 18.747370] Hardware name: System manufacturer System Product Name/M3A78 PRO, BIOS 1701 01/27/2011 [ 18.747528] Call Trace: [ 18.747587] ? dump_stack+0x5c/0x84 [ 18.747656] ? print_bad_pte+0x1f8/0x2e0 [ 18.747731] ? __dec_node_state+0x58/0xc0 [ 18.747809] ? lock_page_memcg+0x11/0x80 [ 18.747884] ? vm_normal_page+0x91/0xa0 [ 18.747959] ? unmap_page_range+0x575/0x920 [ 18.748041] ? unmap_vmas+0x4c/0xa0 [ 18.748109] ? exit_mmap+0x9b/0x160 [ 18.748179] ? mmput+0x4d/0x150 [ 18.748240] ? do_exit+0x28f/0xb90 [ 18.748308] ? vfs_write+0x16b/0x1b0 [ 18.748376] ? do_group_exit+0x3a/0xa0 [ 18.748447] ? SyS_exit_group+0x10/0x10 [ 18.748521] ? entry_SYSCALL_64_fastpath+0x1e/0xad [ 18.748658] Disabling lock debugging due to kernel taint Is there a way to run git bisect to start with the git head of about 24-48 hours previously (known good) and the current git head as bad? I can supply config/build options/full dmesg and run tests. Arthur.