From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id BB5336B004A for ; Fri, 3 Jun 2011 00:44:51 -0400 (EDT) Date: Fri, 3 Jun 2011 00:44:24 -0400 (EDT) From: CAI Qian Message-ID: <1434914877.378198.1307076264791.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> In-Reply-To: <20110602143143.GI23047@sequoia.sous-sol.org> Subject: Re: [BUG 3.0.0-rc1] ksm: NULL pointer dereference in ksm_do_scan() MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Chris Wright Cc: Andrea Righi , Hugh Dickins , Andrea Arcangeli , Rik van Riel , Mel Gorman , Izik Eidus , KAMEZAWA Hiroyuki , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton ----- Original Message ----- > * CAI Qian (caiqian@redhat.com) wrote: > > madvise(0x2210000, 4096, 0xc /* MADV_??? */) = 0 > > --- SIGSEGV (Segmentation fault) @ 0 (0) --- > > Right, that's just what the program is trying to do, segfault. > > > +++ killed by SIGSEGV (core dumped) +++ > > Segmentation fault (core dumped) > > > > Did I miss anything? > > I found it works but not 100% of the time. > > So I just run the bug in a loop. Still no luck here. # while :; do ./test ; done Segmentation fault (core dumped) Segmentation fault (core dumped) Segmentation fault (core dumped) Segmentation fault (core dumped) ... I can't really see what different with the hardware here. It is only a NUMA server system. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org