From: Minchan Kim <minchan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Backlund <tmb@mageia.org>,
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: Tue, 13 Aug 2013 13:33:58 +0900 [thread overview]
Message-ID: <20130813043358.GD3101@bbox> (raw)
In-Reply-To: <20130813035802.GA24637@kroah.com>
Hello Greg,
On Mon, Aug 12, 2013 at 08:58:02PM -0700, Greg Kroah-Hartman wrote:
> 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
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/drivers/staging/zram?id=75c7caf5a052ffd8db3312fa7864ee2d142890c4
It seems you already merge "zram:allow request end to conincide with disksize" to stable.
So there is no concern any more.
Thanks.
--
Kind regards,
Minchan Kim
next prev parent reply other threads:[~2013-08-13 4:33 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 [this message]
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
2013-08-13 11:07 ` Luis Henriques
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