From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lutomirski Subject: Re: AAARGH bisection is hard (Re: [2.6.39 regression] X locks up hard right after logging in) Date: Fri, 13 May 2011 09:38:18 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, git@vger.kernel.org, Linus Torvalds , Shuang He To: Christian Couder Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, May 13, 2011 at 4:20 AM, Christian Couder wrote: > On Thu, May 12, 2011 at 7:15 PM, Andrew Lutomirski wro= te: >> >> OK, this sucks. =A0In the course of bisecting this, I've hit two oth= er >> apparently unrelated bugs that prevent my from testing large numbers >> of kernels. =A0Do 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. =A0The !&$#@ bisection is skipping all over the place. =A0I've se= en >> 2.6.37 versions and all manner of -rc's out of order. =A0Linus, and >> other people who like pontificating about git bisection: is there an= y >> way to get the bisection to follow Linus' tree? =A0I 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 versio= ns >> that were at least good enough for Linus to pull and might have fewe= r >> 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 on= e > you were thinking about: > > http://thread.gmane.org/gmane.comp.version-control.git/165433/ No, it was this: http://stackoverflow.com/questions/5638211/how-do-you-get-git-bisect-to= -ignore-merged-branches --Andy > > ? > > Thanks, > Christian. >