From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: ext4: 3.17? problems Date: Sun, 28 Sep 2014 08:46:58 -0400 Message-ID: <20140928124658.GB6694@thunk.org> References: <20140928104456.GA17400@amd> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kernel list , jack@suse.cz, linux-ext4@vger.kernel.org, adilger.kernel@dilger.ca To: Pavel Machek Return-path: Content-Disposition: inline In-Reply-To: <20140928104456.GA17400@amd> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Sun, Sep 28, 2014 at 12:44:56PM +0200, Pavel Machek wrote: > > After update to debian testing, my machine sometimes fails to > reboot. (aptitude upgrade seems to be the trigger). > > So I had to hard power-down the machine. That should be perfectly > safe, as ext4 has a journal, and this is plain SATA disk, right? > > On next boot to Debian stable, I got stacktrace, and messages about > ext4 corruption. Back to Debian testing. systemd ran fsck, determined > it can't fix it, dropped me into emergency shell, _but mounted the > filesstem, anyway_. Oops. I've been running 3.17-rc4 plus the ext4 dev patches and due to either regressions in i915 or the X server (not sure which) over the last couple of weeks, I've had to power-down my system a number of times after the system has hung when either shutting down the X server or when trying to add or remove an external display. So I've had to unfortunately do a fair number of hard-power-offs on my T540p, and I've not noticed any like what you've described. Can you give any more details? Are you using LVM or dm-crypt? Is this repeatable? Cheers, - Ted