From owner-freebsd-current@FreeBSD.ORG Fri Sep 25 05:48:45 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 885C61065676 for ; Fri, 25 Sep 2009 05:48:45 +0000 (UTC) (envelope-from alan.l.cox@gmail.com) Received: from mail-yw0-f187.google.com (mail-yw0-f187.google.com [209.85.211.187]) by mx1.freebsd.org (Postfix) with ESMTP id 409BF8FC23 for ; Fri, 25 Sep 2009 05:48:44 +0000 (UTC) Received: by ywh17 with SMTP id 17so2790082ywh.3 for ; Thu, 24 Sep 2009 22:48:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:reply-to:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=M9XLqwPRflp2DrMDzhciI1aqm8Ahs5SOU68HpX6bQ1w=; b=tWWOj1lppmFTjDD8zM3Iy2gcvbEswW+vVdu+8MyHOaNofFT++ErgJqYF/+iUVEj1QN 0JFlXP1qiV0KMj9QB+SBlWX5wOgpQ9uSFmAiqQLxEZdFv0wIc1eegu9piqiGfFWSQq9P BHn2cymXWab2uq5S22G6fH2P8HNygMyV+w6Hc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; b=pXYl/gwP70SwEqpqVpNZ62J5iqj+W11KAVHi/Zzi75oXtworMebZV4vFRCqdAOh4oS fE5R1GcTrF6DeE33w/yPE2t2tOKVTrtSmZ8Ji7HpKmL5m1RRYoVNC6q6ndpD5zQn7au8 seAYHD8H5VBil81hyb0LJ/VntP01kxL+LX6AM= MIME-Version: 1.0 Received: by 10.150.88.6 with SMTP id l6mr1581827ybb.194.1253856226258; Thu, 24 Sep 2009 22:23:46 -0700 (PDT) In-Reply-To: <4ABB200E.3020706@wingless.org> References: <4ABB200E.3020706@wingless.org> Date: Fri, 25 Sep 2009 00:23:46 -0500 Message-ID: From: Alan Cox To: Peter Kieser Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-current@freebsd.org Subject: Re: Superpages and VMware ESXi 3.5u4 crashes X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: alc@freebsd.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Sep 2009 05:48:45 -0000 On Thu, Sep 24, 2009 at 2:30 AM, Peter Kieser wrote: > Hello, > > FreeBSD 8.0-RC1 on VMware ESXi 3.5u4, under moderate load (I was building > mysql51-server & apache20 at the same time) the VMware ESXI _host_ system > will crash with superpages enabled in a FreeBSD guest. Reproducible. > > If I disable superpages with vm.pmap.pg_ps_enabled option FreeBSD guest > will not be able to crash the host system. > > Trying to figure out of this bug in VMware or a problem with my hardware. > Host machine was up for 30 days without crashing prior to trying out 8.0. > > Has anyone else had problems with superpages implementation in FreeBSD > crashing VMware ESXi 3.5? Seems like a bug in VMware and I'd like to report > .. > > I would agree that this seems like a bug in ESX. Nonetheless, I'm curious to know something about our your system. What type of processor are you using, and in particular is ESX using hardware supported nested paging? Regards, Alan