Date: Tue, 29 Mar 2016 04:04:01 +0200 From: Bernd Walter <ticso@cicely7.cicely.de> To: Nikolai Lifanov <lifanov@mail.lifanov.com> Cc: =?iso-8859-1?Q?Jos=E9_P=E9rez?= <fbl@aoek.com>, freebsd-arm@freebsd.org Subject: Re: Official images without noatime Message-ID: <20160329020400.GD68225@cicely7.cicely.de> In-Reply-To: <56F97BEC.9020006@mail.lifanov.com> References: <mailman.41.1458993601.86944.freebsd-arm@freebsd.org> <4b23b28ffae59216b5dde8f28f665330@mail.lifanov.com> <813ba9c4a1474478daa86fe685acec21@mail.yourbox.net> <56F96C46.80705@mail.lifanov.com> <6c15a205f6d5126c7d468bd2605be769@mail.yourbox.net> <56F97BEC.9020006@mail.lifanov.com>
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On Mon, Mar 28, 2016 at 02:46:04PM -0400, Nikolai Lifanov wrote: > On 03/28/16 14:43, José Pérez wrote: > > Hello Nokolai, > > > > El 2016-03-28 19:39, Nikolai Lifanov escribió: > >> A simple case is during install /usr/bin/cmp is ran to compare two > >> files, atime for /usr/bin/cmp is updated during a crash, and > >> /usr/bin/cmp is gone on next boot. I then have to copy it out of > >> /usr/obj and into place and run installworld again. It's the handful of > >> utilities actually *used* by installworld that do this and mounting root > >> with noatime stops this from happening. > > > > I suspect you have a problem somewhere else, maybe a faulty flash? > > > > Can you reproduce with another hardware? Can you help us reproduce it? > > What do you mean "atime is updated during a crash"?? > > > > I can reproduce this with my RPI-B (and a different SD card). > Roughly this: > 1) mount / with atime > 2) make -j4 installworld > 3) <pull power> This is saying that it is damged by smashing it with a hammer. > You can do step #2 over ssh and tee it somewhere so that you can > be sure that utilities gone are the ones used, not the ones installed. That doesn't mean the filesystem(s) and card internal buffers are synced. -- B.Walter <bernd@bwct.de> http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
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