Re: stable? quality assurance?

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From: Stefan Richter
Date: Sunday, July 11, 2010 - 12:49 pm

Martin Steigerwald wrote:

Yes, testing is desired --- in order to shake out bugs that are not
manifest on the developer's systems.  Remember that the kernel is a
special program in which there are many classes of bugs that can only be
reproduced on special hardware and/or with special workloads.

Alas, there are not only new bugs in new features but also new bugs in
existing features, a.k.a. regressions.  But like new bugs, many
regressions can alas not be found by the developers themselves on their
test systems.

You mentioned two particular regressions in your initial posting.  Do
you have suggestions how they could have been prevented in the first
place?  Or how they could have been handled better than they were?

Do you see subsystems of the kernel in which regressions are not taken
as seriously as in other ones?


2.6.35 will only be better if this (gradual) change of procedure means
that -rc kernels are going to be tested more and new bugs are going to
be found and fixed quicker in the -rc phase than before.  And 2.6.36+
will only be better if the stricter post -rc1 merges do not motivate
developers to put even more hastily assembled under-tested crap into
their pre -rc1 pull requests than they already do.

[PS: 2.6.34 works very well for me, as most 2.6.x releases do.]
[PS2:  When on lkml, please use reply-to-all, not reply-to-list-only.]
-- 
Stefan Richter
-=====-==-=- -=== -=-==
http://arcgraph.de/sr/
--
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Messages in current thread:
stable? quality assurance?, Martin Steigerwald, (Sun Jul 11, 12:18 am)
Re: stable? quality assurance?, Eric Dumazet, (Sun Jul 11, 1:39 am)
Re: stable? quality assurance?, Ted Ts'o, (Sun Jul 11, 6:16 am)
Re: stable? quality assurance?, Lee Mathers, (Sun Jul 11, 6:56 am)
Re: stable? quality assurance?, Martin Steigerwald, (Sun Jul 11, 7:22 am)
Re: stable? quality assurance?, Martin Steigerwald, (Sun Jul 11, 7:51 am)
Re: stable? quality assurance?, Martin Steigerwald, (Sun Jul 11, 7:52 am)
Re: stable? quality assurance?, Heinz Diehl, (Sun Jul 11, 10:04 am)
Re: stable? quality assurance?, Willy Tarreau, (Sun Jul 11, 10:22 am)
Re: stable? quality assurance?, Anca Emanuel, (Sun Jul 11, 11:02 am)
Re: stable? quality assurance?, Stefan Richter, (Sun Jul 11, 12:49 pm)
Re: stable? quality assurance?, Rafael J. Wysocki, (Sun Jul 11, 2:38 pm)
Re: stable? quality assurance?, Willy Tarreau, (Sun Jul 11, 9:17 pm)
Re: stable? quality assurance?, David Newall, (Sun Jul 11, 11:46 pm)
Re: stable? quality assurance?, Martin Steigerwald, (Mon Jul 12, 2:56 am)
Fwd: stable? quality assurance?, Marcin Letyns, (Mon Jul 12, 5:35 am)
Re: stable? quality assurance?, Alexey Dobriyan, (Mon Jul 12, 5:42 am)
Fwd: stable? quality assurance?, Marcin Letyns, (Mon Jul 12, 5:52 am)
Re: stable? quality assurance?, Valdis.Kletnieks, (Mon Jul 12, 7:57 am)
Re: stable? quality assurance?, Martin Steigerwald, (Mon Jul 12, 8:43 am)
Re: stable? quality assurance?, David Newall, (Mon Jul 12, 8:56 am)
Re: stable? quality assurance?, Willy Tarreau, (Mon Jul 12, 10:36 am)
Re: stable? quality assurance?, Marcin Letyns, (Mon Jul 12, 10:48 am)
Re: stable? quality assurance?, Stefan Richter, (Mon Jul 12, 10:55 am)
Re: stable? quality assurance?, Stefan Richter, (Mon Jul 12, 11:00 am)
Re: stable? quality assurance?, Nix, (Mon Jul 12, 12:46 pm)
Re: stable? quality assurance?, Martin Steigerwald, (Mon Jul 12, 12:56 pm)
Re: stable? quality assurance?, David Newall, (Mon Jul 12, 12:58 pm)
Re: stable? quality assurance?, Stefan Richter, (Mon Jul 12, 2:11 pm)
Re: stable? quality assurance?, Martin Steigerwald, (Mon Jul 12, 2:39 pm)
Re: stable? quality assurance?, Stefan Richter, (Mon Jul 12, 3:44 pm)
Re: stable? quality assurance?, Stefan Richter, (Mon Jul 12, 4:03 pm)
Re: stable? quality assurance?, Martin Steigerwald, (Tue Jul 13, 3:30 am)
Re: stable? quality assurance?, Alejandro Riveira Fe ..., (Tue Jul 13, 4:11 am)
Re: rt2x00: slow wifi with correct basic rate bitmap (was ..., John W. Linville, (Tue Jul 13, 8:35 am)
Re: stable? quality assurance?, Theodore Tso, (Tue Jul 13, 9:50 am)
Re: rt2x00: slow wifi with correct basic rate bitmap (was ..., Alejandro Riveira Fe ..., (Tue Jul 13, 11:06 am)
Re: rt2x00: slow wifi with correct basic rate bitmap (was ..., Alejandro Riveira Fe ..., (Tue Jul 13, 11:19 am)
Re: rt2x00: slow wifi with correct basic rate bitmap (was ..., John W. Linville, (Tue Jul 13, 11:38 am)
Re: rt2x00: slow wifi with correct basic rate bitmap (was ..., Alejandro Riveira Fe ..., (Tue Jul 13, 12:07 pm)
Re: stable? quality assurance?, David Newall, (Tue Jul 13, 1:45 pm)
Re: stable? quality assurance?, Theodore Tso, (Tue Jul 13, 11:33 pm)
Re: stable? quality assurance?, david, (Thu Jul 15, 12:23 am)
Re: stable? quality assurance?, david, (Thu Jul 15, 12:32 am)
Re: stable? quality assurance?, Valeo de Vries, (Thu Jul 15, 2:09 am)
Re: stable? quality assurance?, Greg KH, (Fri Jul 16, 12:00 am)
Re: stable? quality assurance?, Justin P. Mattock, (Fri Jul 16, 12:19 am)
Re: stable? quality assurance?, Randy Dunlap, (Fri Jul 16, 8:25 am)
Re: stable? quality assurance?, Valeo de Vries, (Fri Jul 16, 8:34 am)
Re: stable? quality assurance?, Martin Steigerwald, (Sat Sep 4, 9:38 am)
Re: stable? quality assurance?, Martin Steigerwald, (Sat Sep 4, 10:12 am)
Re: stable? quality assurance?, Ted Ts'o, (Sat Sep 4, 11:46 am)
Re: stable? quality assurance?, Martin Steigerwald, (Sat Sep 4, 12:11 pm)
Re: stable? quality assurance?, Stefan Richter, (Sat Sep 4, 12:24 pm)
Re: stable? quality assurance?, Stefan Richter, (Sat Sep 4, 12:34 pm)
Re: stable? quality assurance?, Martin Steigerwald, (Sat Sep 4, 1:21 pm)
Re: stable? quality assurance?, Stefan Richter, (Sat Sep 4, 3:50 pm)
Re: stable? quality assurance?, Ted Ts'o, (Sat Sep 4, 4:16 pm)
Re: stable? quality assurance?, Ted Ts'o, (Sat Sep 4, 4:23 pm)
Re: stable? quality assurance?, Martin Steigerwald, (Sun Sep 5, 12:59 am)
Re: stable? quality assurance?, Avi Kivity, (Sun Sep 5, 1:35 am)
Re: stable? quality assurance?, Martin Steigerwald, (Sun Sep 5, 2:48 am)