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_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 E0543C4360F for ; Thu, 4 Apr 2019 13:08:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B78682075E for ; Thu, 4 Apr 2019 13:08:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727525AbfDDNIs convert rfc822-to-8bit (ORCPT ); Thu, 4 Apr 2019 09:08:48 -0400 Received: from mail.wl.linuxfoundation.org ([198.145.29.98]:33784 "EHLO mail.wl.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725914AbfDDNIs (ORCPT ); Thu, 4 Apr 2019 09:08:48 -0400 Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 09ADD28A95 for ; Thu, 4 Apr 2019 13:08:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F1BB728A1D; Thu, 4 Apr 2019 13:08:46 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: linux-ext4@vger.kernel.org Subject: [Bug 203107] Bad page map in process during boot Date: Thu, 04 Apr 2019 13:08:46 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo fs_ext4@kernel-bugs.osdl.org X-Bugzilla-Product: File System X-Bugzilla-Component: ext4 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: kirill@shutemov.name X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: fs_ext4@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=203107 --- Comment #3 from Kirill A. Shutemov (kirill@shutemov.name) --- On Tue, Apr 02, 2019 at 12:16:13PM +0200, Jan Kara wrote: > Switching to email... > > On Fri 29-03-19 20:46:22, bugzilla-daemon@bugzilla.kernel.org wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=203107 > > > > Bug ID: 203107 > > Summary: Bad page map in process during boot > > Product: File System > > Version: 2.5 > > Kernel Version: 5.0.5 > > Hardware: All > > OS: Linux > > Tree: Mainline > > Status: NEW > > Severity: normal > > Priority: P1 > > Component: ext4 > > Assignee: fs_ext4@kernel-bugs.osdl.org > > Reporter: echto1@gmail.com > > Regression: No > > > > Error occurs randomly at boot after upgrading kernel from 5.0.0 to 5.0.4. > > > > https://justpaste.it/387uf > > I don't think this is an ext4 error. Sure this is an error in file mapping > of libblkid.so.1.1.0 (which is handled by ext4) but the filesystem has very > little to say wrt how or which PTEs are installed. And the problem is that > invalid PTE (dead000000000100) is present in page tables. So this looks > more like a problem in MM itself. Adding MM guys to CC. 0xdead000000000100 and 0xdead000000000200 are LIST_POISON1 and LIST_POISON2 repectively. Have no idea how would they end up in page table. -- You are receiving this mail because: You are watching the assignee of the bug.