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Date: Thu, 2 Jun 2011 16:36:22 +0200 From: Andrea Arcangeli <aarcange@...hat.com> To: Chris Wright <chrisw@...s-sol.org> Cc: CAI Qian <caiqian@...hat.com>, Andrea Righi <andrea@...terlinux.com>, Hugh Dickins <hughd@...gle.com>, Rik van Riel <riel@...hat.com>, Mel Gorman <mel@....ul.ie>, Izik Eidus <ieidus@...hat.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [BUG 3.0.0-rc1] ksm: NULL pointer dereference in ksm_do_scan() On Thu, Jun 02, 2011 at 07:31:43AM -0700, Chris Wright wrote: > * CAI Qian (caiqian@...hat.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. echo 0 >scan_millisecs helps. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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