From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Christopher S. Aker" Subject: Re: LVM userspace causing dom0 crash Date: Mon, 07 May 2012 15:59:14 -0400 Message-ID: <4FA82992.1030508@theshore.net> References: <4FA7EBF6.6040204@theshore.net> <20120507171703.GA5746@phenom.dumpdata.com> <4FA81669.5040202@theshore.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4FA81669.5040202@theshore.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Konrad Rzeszutek Wilk Cc: xen devel List-Id: xen-devel@lists.xenproject.org On 5/7/12 2:37 PM, Christopher S. Aker wrote: > This looks suspiciously like the problem described by Nai Xia in "mm: > page_check_address bug fix and make it validate subpages in huge pages" > - which never made it into mainline > that I can detect. > > We've rebuilt without CONFIG_HIGHPTE and are running our test again. We > shall see. No joy just disabling CONFIG_HIGHPTE. Triggered it on four boxes in no time. Bugs out exactly the same as before except the second BUG "scheduling while atomic" doesn't happen. On 5/7/12 1:17 PM, Konrad Rzeszutek Wilk wrote: > Hm, can you give more details on what parameters you are passing to > dom0 and the hypervisor so I can reproduce it? Xen and dom0 binaries and modules, and arguments here: http://theshore.net/~caker/xen/BUGS/lvm/ This is atop hardware RAID -- we haven't tested on anything other than Supermicro motherboards. Thanks, -Chris