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From: Greg KH <gregkh@linuxfoundation.org>
To: Thomas Backlund <tmb@mageia.org>
Cc: Jordi Pujol <jordipujolp@gmail.com>,
	stable@vger.kernel.org, Jiang Liu <jiang.liu@huawei.com>,
	linux-kernel@vger.kernel.org
Subject: Re: ZRAM 3.10.6 Buffer I/O error
Date: Mon, 12 Aug 2013 22:47:40 -0700	[thread overview]
Message-ID: <20130813054740.GA22700@kroah.com> (raw)
In-Reply-To: <52090FD2.9030702@mageia.org>

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:
> 
>  From 75c7caf5a052ffd8db3312fa7864ee2d142890c4 Mon Sep 17 00:00:00 2001
> From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> Date: Sat, 22 Jun 2013 14:21:00 +0000
> Subject: zram: allow request end to coincide with disksize

Now applied, thanks.

greg k-h

  parent reply	other threads:[~2013-08-13  5:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-12 14:27 ZRAM 3.10.6 Buffer I/O error Jordi Pujol
2013-08-12 16:39 ` Thomas Backlund
2013-08-13  1:39   ` Minchan Kim
2013-08-13  3:58     ` Greg Kroah-Hartman
2013-08-13  4:33       ` Minchan Kim
2013-08-13  5:01         ` Thomas Backlund
2013-08-13  5:18           ` Minchan Kim
2013-08-13  5:47             ` Greg Kroah-Hartman
2013-08-13  6:03               ` Minchan Kim
2013-08-13  5:13   ` Jordi Pujol
2013-08-13  5:47   ` Greg KH [this message]
2013-08-13 11:07   ` Luis Henriques

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