Thanks for the test, Chris. Andrew. We should push this into -stable. On Fri, Jul 15, 2011 at 10:48 AM, Chris Pearson <pearson.christopher.j@xxxxxxxxx> wrote: > That definately fixed it. MTBF was about 20 days on those systems, since that patch we've had 200 server days with no problems. > > Thanks! > > On Tue, 12 Jul 2011, Minchan Kim wrote: > >>Date: Tue, 12 Jul 2011 09:16:09 +0900 >>From: Minchan Kim <minchan.kim@xxxxxxxxx> >>To: Chris Pearson <pearson.christopher.j@xxxxxxxxx> >>Cc: linux-mm@xxxxxxxxx, Andrea Arcangeli <aarcange@xxxxxxxxxx>, >> Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, stable <stable@xxxxxxxxxx> >>Subject: Re: NULL poniter dereference in isolate_lru_pages 2.6.39.1 >> >>On Tue, Jul 12, 2011 at 5:52 AM, Chris Pearson >><pearson.christopher.j@xxxxxxxxx> wrote: >>> We applied the patch to many servers. No problems so far. >>> >>> The .config is attached. >> >>Thanks. I verified. The point where isolate_lru_pages + 0x225 is >>page_count exactly. So Andrea patch solves this problem apparently. >>Couldn't we throw this patch to stable tree? >> >>https://patchwork.kernel.org/patch/857442/ >> >>> >>> What's the config option to get that debugging info in the future? >> >>CONFIG_DEBUG_INFO helps you. :) >> >>-- >>Kind regards, >>Minchan Kim >> > -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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: <a href