From: Jan Kara <jack@suse.cz>
To: John Twideldum <twideldums_throwaway@gmx.at>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 3.12-rc5 and overwritten partition table - by powertop?
Date: Tue, 29 Oct 2013 21:10:32 +0100 [thread overview]
Message-ID: <20131029201032.GC9568@quack.suse.cz> (raw)
In-Reply-To: <trinity-f65147f9-012f-4e78-a5a6-3f969ff5b9bf-1383058674646@3capp-gmx-bs07>
On Tue 29-10-13 15:57:54, John Twideldum wrote:
> replying to myself with more insights...
>
> >0000000 13.00000\nalsa:hw
> >0000020 C0D0\t99.00000\nal
> >0000040 sa:hwC0D3\t99.000
> >0000060 00\nbacklight:acp
> >.....
>
> The first ~170kb of /dev/sda got blown away with what seems to be a logging output
> by Powertop, when I was playing with the tuneables.
> (Luckily the first partition starts later :-))
So did you log the output to some file? I'm just trying to understand how
it could get onto your disk in the first place...
> Why is that I don't know, but maybe when turning on the SATA knobs
> something goes wrong. I'm afraid to try again, but I accept rather higher
> power use than data loss again :-/
Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
next prev parent reply other threads:[~2013-10-29 20:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-29 11:37 3.12-rc5 and overwritten partition table John Twideldum
2013-10-29 14:57 ` Aw: 3.12-rc5 and overwritten partition table - by powertop? John Twideldum
2013-10-29 20:10 ` Jan Kara [this message]
2013-10-29 21:58 ` John Twideldum
2013-10-29 22:20 ` Jan Kara
2013-10-29 22:32 ` John Twideldum
2014-01-21 3:08 ` Robert Hancock
2014-01-23 12:17 ` John Twideldum
2014-01-20 23:22 ` Stefan Agner
2013-10-29 20:12 ` 3.12-rc5 and overwritten partition table Jan Kara
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131029201032.GC9568@quack.suse.cz \
--to=jack@suse.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=twideldums_throwaway@gmx.at \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox