Re: 3.12-rc5 and overwritten partition table - by powertop?

From: Jan Kara
Date: Tue Oct 29 2013 - 16:10:40 EST

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 :-/

Jan Kara <jack@xxxxxxx>
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