Re: AAARGH bisection is hard (Re: [2.6.39 regression] X locks up hardright after logging in)

[Christian Couder]

On Thu, May 12, 2011 at 7:15 PM, Andrew Lutomirski <luto@xxxxxxx> wrote:
>
> OK, this sucks.  In the course of bisecting this, I've hit two other
> apparently unrelated bugs that prevent my from testing large numbers
> of kernels.  Do I have two questions:
>
> 1. Anyone have any ideas from looking at the log?
>
> It looks like most of what's left is network code, so cc netdev.
>
> 2.  The !&$#@ bisection is skipping all over the place.  I've seen
> 2.6.37 versions and all manner of -rc's out of order.  Linus, and
> other people who like pontificating about git bisection: is there any
> way to get the bisection to follow Linus' tree?  I think that if
> bisect could be persuaded to consider only changes that are reached by
> following only the *first* merge parent all the way from the bad
> revision to the good revision, then the bisection would build versions
> that were at least good enough for Linus to pull and might have fewer
> bisection-killing bugs.
>
> (This isn't a new idea [1], and git rev-list --bisect --first-parent
> isn't so bad except that it doesn't bisect.)

Did you forget to put the reference [1] in your email? Was it this one
you were thinking about:

http://thread.gmane.org/gmane.comp.version-control.git/165433/

?

Thanks,
Christian.
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