linux-kernel - Re: 2.6.32-rc1-git2: Reported regressions from 2.6.31

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Message-ID: <4AC5F975.6060505@s5r6.in-berlin.de>
Date:	Fri, 02 Oct 2009 15:00:37 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Jaswinder Singh Rajput <jaswinder@...nel.org>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Natalie Protasevich <protasnb@...il.com>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Linux PM List <linux-pm@...ts.linux-foundation.org>,
	Linux SCSI List <linux-scsi@...r.kernel.org>,
	Linux Wireless List <linux-wireless@...r.kernel.org>,
	DRI <dri-devel@...ts.sourceforge.net>
Subject: Re: 2.6.32-rc1-git2: Reported regressions from 2.6.31

Jaswinder Singh Rajput wrote:
> If you add one more entry say "Suspected commit :" then it will be great
> and will solve regressions much faster.

Will?  Might.

> You can request submitter to
> submit 'suspected commit' by git bisect and also specify git bisect
> links like : (for more information about git bisect check
> http://kerneltrap.org/node/11753)

I disagree.  A reporter should only be asked to bisect (using git or
other tools) /if/ a developer determined that bisection may speed up the
debugging process or is the only remaining option to make progress with
a bug.

It would be wrong to steal a reporter's valuable time by asking for
bisection before anybody familiar with the matter even had a first look
at the report.

Remember:
  - Not all bugs can be economically narrowed down by bisection.
  - Bisection requires skills, rigor, and time.
  - Alas there are considerable sections in our kernel history which
    are not bisectable.
-- 
Stefan Richter
-=====-==--= =-=- ---=-
http://arcgraph.de/sr/
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