From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from magic.merlins.org ([209.81.13.136]:60132 "EHLO mail1.merlins.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751853AbaHWDK6 (ORCPT ); Fri, 22 Aug 2014 23:10:58 -0400 Date: Fri, 22 Aug 2014 20:10:55 -0700 From: Marc MERLIN To: Duncan <1i5t5.duncan@cox.net> Cc: linux-btrfs@vger.kernel.org Subject: Re: Unclean shutdowns cause google-chrome profile to be corrupted in various ways Message-ID: <20140823031055.GH3875@merlins.org> References: <20140822155040.GU3875@merlins.org> <20140822184919.GE3875@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Sat, Aug 23, 2014 at 02:52:16AM +0000, Duncan wrote: > > For mysql, I got: > > InnoDB: Page directory corruption: > > infimum not pointed to 140708 11:53:58 > > InnoDB: Page dump in ascii and hex (16384 bytes): > > len 16384; hex 00000000(16KB of 0's). > > Is that on ssd or spinning rust, and if ssd, do you run with trim/discard > and/or have you filled the device yet if not (since mkfs.btrfs trims the > device as part of the process)? I'm wondering if that's 4 4 KiB btrfs > data blocks of trimmed and unwritten SSD? It's on SSD, I do have trim/discard, I never filled the device. But I could totally remove trim and see what happens. I'll do that. Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/ | PGP 1024R/763BE901