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

From: Jan Kara
Date: Tue Oct 29 2013 - 18:20:28 EST

On Tue 29-10-13 22:58:40, John Twideldum wrote:
> >> 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.
> >
> >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...
> Attached a dump of the first 1Mb of the disk, HTH.
> It looks like a powertop log?
> (I have powertop 2.4)
Yes, likely. But it is strange the corruption doesn't even end at any
sensible boundary (data ends at offset 0x27b53). Shrug...

> meanwhile, testdisk running in all variations recovered enough clues to
> guess the partitions correctly - the data is fine :-)

Jan Kara <jack@xxxxxxx>
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