linux-kernel - Re: spontaneous reboots and hangs on x86

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Date:	Fri, 16 May 2008 20:46:16 +0200
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	"Vegard Nossum" <vegard.nossum@...il.com>
Cc:	"Stephen Rothwell" <sfr@...b.auug.org.au>,
	"Adrian Bunk" <bunk@...nel.org>, kernel-testers@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Andrew Morton" <akpm@...ux-foundation.org>
Subject: Re: spontaneous reboots and hangs on x86_64

Hello,

> >> > > > ~/linux/linux-next $ git bisect start
> >> > > > fatal: ref HEAD is not a symbolic ref
> >> > > > Bad HEAD - I need a symbolic ref
> >> >
> >> > This would indicate something wrong with your clone of linux-next.  How
> >> > did you create the repository?
> >> >
> >> > > > - how does one bisect on linux-next?
> >> >
> >> > Any day's linux-next tree is a git tree like any other ...
> >>
> >> Hm it can be that I did something wrong ...
> >
> > and I did :/ I think I just started this repo in wrong way - according to linux-next FAQ.
> > I'll just start from scratch then.
> 
> You need to be on a branch. If git-branch says this:
> 
> $ git branch
> * (no branch)
> 
> then git will not allow you to bisect:
> 
> $ git bisect start v2.6.24 v2.6.25
> fatal: ref HEAD is not a symbolic ref
> Bad HEAD - I need a symbolic ref
> 
> Try first checkout out a new branch:
> 
> $ git checkout -b bisect
> Switched to a new branch "bisect"
> 
> $ git bisect start v2.6.24 v2.6.25
> Switched to branch "master"
> 
> Good luck!

Thanks, that was the case and your recipe works.

	Mariusz


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