From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx121.postini.com [74.125.245.121]) by kanga.kvack.org (Postfix) with SMTP id 3DF946B010E for ; Tue, 26 Mar 2013 12:45:02 -0400 (EDT) Received: from mailout-de.gmx.net ([10.1.76.31]) by mrigmx.server.lan (mrigmx002) with ESMTP (Nemesis) id 0M1Cg2-1Ue8F23Ykq-00tAbh for ; Tue, 26 Mar 2013 17:45:00 +0100 Message-ID: <5151D08A.2060400@gmx.de> Date: Tue, 26 Mar 2013 17:44:58 +0100 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= MIME-Version: 1.0 Subject: Re: linux-v3.9-rc3: BUG: Bad page map in process trinity-child6 pte:002f9045 pmd:29e421e1 References: <514C94C4.4050008@gmx.de> <20130325155347.75290358a6985e17fb10ad14@linux-foundation.org> In-Reply-To: <20130325155347.75290358a6985e17fb10ad14@linux-foundation.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: user-mode-linux-user@lists.sourceforge.net, Linux Kernel , linux-mm@kvack.org On 03/25/2013 11:53 PM, Andrew Morton wrote: > On Fri, 22 Mar 2013 18:28:36 +0100 Toralf F__rster wrote: > >> > Using trinity I often trigger under a user mode linux image with host kernel 3.8.4 >> > and guest kernel linux-v3.9-rc3-244-g9217cbb the following : >> > (The UML guest is a 32bit stable Gentoo Linux) > I assume 3.8 is OK? > With UML kernel 3.7.10 (host kernel still 3.8.4) I can trigger this issue too. Just to clarify it - here the bug appears in the UML kernel - the host kernel is ok (I can of course crash a host kernel too by trinity'ing an UML guest, but that's another thread - see [1]) FWIW he trinity command is just a test of 1 syscall: $> trinity --children 1 --victims /mnt/nfs/n22/victims -c mremap [1] https://lkml.org/lkml/2013/3/24/174 -- MfG/Sincerely Toralf FA?rster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org