Re: [BUG] linux-next: 20141127 boot hang

[Stephen Rothwell]

Hi Jeremiah,

On Sat, 29 Nov 2014 01:15:10 -0800 Jeremiah Mahler <jmmahler@xxxxxxxxx> wrote:
>
> all,
> 
> On Fri, Nov 28, 2014 at 03:32:50PM -0800, Jeremiah Mahler wrote:
> > On Thu, Nov 27, 2014 at 03:16:19PM -0800, Jeremiah Mahler wrote:
> > > 
> > > I just tried the latest linux-next 20141127 (commit 3bcf494d225fd19) and
> > > it hangs very early in the boot sequence, after decompressing the kernel
> > > and after fsck (see attached screen shot).  I have tried it with two
> > > different machines and they both have the same problem.  It worked with
> > > version 20141126.
> > > 
> > []
> > 
> > My bisect results so far indicate that the bug was introduced by this
> > merge commit.
> > 
> >   commit 0305904a7416ced1358c5ff575e58135453bfc1d
> >   Merge: 38a4751 2ef5864
> >   Author: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> >   Date:   Thu Nov 27 14:53:44 2014 +1100
> >   
> >       Merge remote-tracking branch 'block/for-next'
> >       
> >       Conflicts:
> >           fs/fs-writeback.c
> > 
> []
> 
> Something is definitely broken at this merge commit.  I haven't
> quite figured out how to bisect the patches inside the merge commit.
> Any suggestions are welcome.

It could easily actually be the merge itself. There was a conflict in
that merge that I fixed up as best I could and asked others to check
the resolution.

I know that Cristoph thinks that the lazytime stuff is not ready for
-next yet, but are there any other comments?

-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx

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