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From: Theodore Tso <tytso@MIT.EDU>
To: "Luis R. Rodriguez" <mcgrof@gmail.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Power plug off / on - EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=600
Date: Wed, 12 Jan 2011 19:09:51 -0500	[thread overview]
Message-ID: <B48664E0-16B7-49A5-AE50-1C3DA751DC2C@mit.edu> (raw)
In-Reply-To: <AANLkTinC=i24FaOtB3srbCUROza1V2TQ0zxNMq+QH+mj@mail.gmail.com>


On Jan 12, 2011, at 4:35 PM, Luis R. Rodriguez wrote:

> When I yank my power chord off of my Thinkpad T61 running 2.6.37 I get
> the following:
> 
> [   79.523778] Monitor-Mwait will be used to enter C-3 state
> [   81.195402] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=600
> 
> mcgrof@tux ~ $ mount| grep sda1
> /dev/sda1 on / type ext4 (rw,errors=remount-ro,commit=600)

Sounds like you have some userspace script which is being triggered on the transition running on batteries, and it's doing a remount -o commit=600 to save power.   Are you using laptop_mode by any chance?

-- Ted


  parent reply	other threads:[~2011-01-13  0:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-12 21:35 Luis R. Rodriguez
2011-01-12 23:05 ` Dmitry Torokhov
2011-01-13  0:09 ` Theodore Tso [this message]
2011-01-13 20:22   ` Jason Wessel
2011-01-13 20:38     ` Ted Ts'o

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