Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757332Ab3HMD4i (ORCPT ); Mon, 12 Aug 2013 23:56:38 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:59667 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756919Ab3HMD4g (ORCPT ); Mon, 12 Aug 2013 23:56:36 -0400 Date: Mon, 12 Aug 2013 20:58:02 -0700 From: Greg Kroah-Hartman To: Minchan Kim Cc: Thomas Backlund , Jordi Pujol , stable@vger.kernel.org, Jiang Liu , linux-kernel@vger.kernel.org Subject: Re: ZRAM 3.10.6 Buffer I/O error Message-ID: <20130813035802.GA24637@kroah.com> References: <1998314.O9XRMyhM6u@pcjordi> <52090FD2.9030702@mageia.org> <20130813013900.GC3101@bbox> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130813013900.GC3101@bbox> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1669 Lines: 52 On Tue, Aug 13, 2013 at 10:39:00AM +0900, Minchan Kim wrote: > Hello, > > On Mon, Aug 12, 2013 at 07:39:46PM +0300, Thomas Backlund wrote: > > 12.08.2013 17:27, Jordi Pujol skrev: > > >Hello, > > > > > >zram shows an error when mounting a swap partition, > > >current version Linux kernel 3.10.6, > > >previous versions worked, I suppose that latest zram patches have some > > >problem, > > > > > >machine is an AMD64 dual core, 4GB RAM > > > > > >+ modprobe -qb zram num_devices=2 > > >+ echo 104857600 > /sys/block/zram0/disksize > > > > > ># mkswap /dev/zram0 > > >Setting up swapspace version 1, size = 102396 KiB > > >no label, UUID=6c249930-2ba0-46cf-a8c6-766481942b7d > > > > > ># pager /var/log/dmesg > > >(no more errors shown) > > > > > ># swapon /dev/zram0 > > > > > ># pager /var/log/dmesg > > >... > > >[ 309.300479] Buffer I/O error on device zram0, logical block 25599 > > >[ 309.300491] Buffer I/O error on device zram0, logical block 25599 > > >[ 309.300514] Buffer I/O error on device zram0, logical block 25599 > > >[ 345.205887] Adding 102396k swap on /dev/zram0. Priority:-2 extents:1 > > >across:102396k SSFS > > > > > >full log files and the kernel source are stored in the address: > > > > > >http://livenet.selfip.com/ftp/debian/zram_3.10.6_IO_error/ > > > > > > > > > I think this one should fix it and belongs in 3.10 stable too: > > Very true. Let's Cc Greg, explicitely. -ENOCONTEXT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/