From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Mark Brown <broonie@kernel.org>
Cc: "ksummit-discuss@lists.linuxfoundation.org"
<ksummit-discuss@lists.linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Greg KH <gregkh@linuxfoundation.org>, "w@1wt.eu" <w@1wt.eu>
Subject: Re: [Ksummit-discuss] bug-introducing patches
Date: Wed, 2 May 2018 23:10:00 -0400 [thread overview]
Message-ID: <20180503031000.GC29205@thunk.org> (raw)
In-Reply-To: <20180503020550.GP2714@sirena.org.uk>
On Thu, May 03, 2018 at 11:05:50AM +0900, Mark Brown wrote:
> On Wed, May 02, 2018 at 07:46:34PM +0000, Sasha Levin wrote:
>
> > As you said, the regression should be fixed "asap", not "immediately".
> > It should go through some sort of review and testing the maintainers are
> > happy with, but unfourtenately it doesn't happen now.
>
> Doesn't happen some of the time. It's not like this is a universal
> problem.
>
> Especially for driver specific things there's at times no realistic
> prospect of getting useful independent review of fixes, the hardware
> isn't always widely available and if the fix isn't a pure software thing
> at some point you just have to trust the judgement of the vendor.
And sometimes the Demon Murphy will cause a regression fix for user A,
to cause breakage for slightly different hardware belonging to user B. :-(
- Ted
WARNING: multiple messages have this Message-ID (diff)
From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Mark Brown <broonie@kernel.org>
Cc: "ksummit-discuss@lists.linuxfoundation.org"
<ksummit-discuss@lists.linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Greg KH <gregkh@linuxfoundation.org>, "w@1wt.eu" <w@1wt.eu>
Subject: Re: [Ksummit-discuss] bug-introducing patches
Date: Wed, 2 May 2018 23:10:00 -0400 [thread overview]
Message-ID: <20180503031000.GC29205@thunk.org> (raw)
In-Reply-To: <20180503020550.GP2714@sirena.org.uk>
On Thu, May 03, 2018 at 11:05:50AM +0900, Mark Brown wrote:
> On Wed, May 02, 2018 at 07:46:34PM +0000, Sasha Levin wrote:
>
> > As you said, the regression should be fixed "asap", not "immediately".
> > It should go through some sort of review and testing the maintainers are
> > happy with, but unfourtenately it doesn't happen now.
>
> Doesn't happen some of the time. It's not like this is a universal
> problem.
>
> Especially for driver specific things there's at times no realistic
> prospect of getting useful independent review of fixes, the hardware
> isn't always widely available and if the fix isn't a pure software thing
> at some point you just have to trust the judgement of the vendor.
And sometimes the Demon Murphy will cause a regression fix for user A,
to cause breakage for slightly different hardware belonging to user B. :-(
- Ted
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Ksummit-discuss mailing list
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next prev parent reply other threads:[~2018-05-03 3:10 UTC|newest]
Thread overview: 289+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-01 16:38 bug-introducing patches Sasha Levin
2018-05-01 16:38 ` [Ksummit-discuss] " Sasha Levin
2018-05-01 19:44 ` Theodore Y. Ts'o
2018-05-01 19:44 ` Theodore Y. Ts'o
2018-05-01 20:00 ` Sasha Levin
2018-05-01 20:00 ` [Ksummit-discuss] " Sasha Levin
2018-05-01 20:33 ` Willy Tarreau
2018-05-01 20:48 ` [Ksummit-discuss] " Willy Tarreau
2018-05-01 20:42 ` Sasha Levin
2018-05-01 20:42 ` [Ksummit-discuss] " Sasha Levin
2018-05-01 20:54 ` Theodore Y. Ts'o
2018-05-01 20:54 ` Theodore Y. Ts'o
2018-05-01 21:15 ` Mark Brown
2018-05-01 21:15 ` Mark Brown
2018-05-02 8:11 ` Daniel Vetter
2018-05-02 8:11 ` Daniel Vetter
2018-05-02 19:46 ` Sasha Levin
2018-05-02 19:46 ` Sasha Levin via Ksummit-discuss
2018-05-03 2:05 ` Mark Brown
2018-05-03 2:05 ` Mark Brown via Ksummit-discuss
2018-05-03 3:10 ` Theodore Y. Ts'o [this message]
2018-05-03 3:10 ` Theodore Y. Ts'o
2018-05-03 3:52 ` Guenter Roeck
2018-05-03 3:52 ` Guenter Roeck
2018-05-03 12:03 ` Greg KH
2018-05-03 12:03 ` Greg KH
2018-05-03 22:42 ` Mark Brown
2018-05-03 22:42 ` Mark Brown
2018-05-03 23:09 ` Tony Lindgren
2018-05-03 23:09 ` Tony Lindgren
2018-05-04 14:21 ` Ulf Hansson
2018-05-04 14:21 ` Ulf Hansson
2018-05-09 8:44 ` Mark Brown
2018-05-09 8:44 ` Mark Brown
2018-05-09 8:47 ` Daniel Vetter
2018-05-09 8:47 ` Daniel Vetter
2018-05-09 8:51 ` Geert Uytterhoeven
2018-05-09 8:51 ` Geert Uytterhoeven
2018-05-09 9:03 ` Mark Brown
2018-05-09 9:03 ` Mark Brown
2018-05-09 10:47 ` Stephen Rothwell
2018-05-09 10:47 ` Stephen Rothwell
2018-05-09 10:55 ` Vinod Koul
2018-05-09 10:55 ` Vinod Koul
2018-05-09 12:43 ` Stephen Rothwell
2018-05-09 12:43 ` Stephen Rothwell
2018-05-09 12:47 ` Vinod Koul
2018-05-09 12:47 ` Vinod Koul
2018-05-15 10:42 ` Krzysztof Kozlowski
2018-05-15 10:42 ` Krzysztof Kozlowski
2018-05-15 11:54 ` Stephen Rothwell
2018-05-15 11:54 ` Stephen Rothwell
2018-05-09 14:05 ` Mark Brown
2018-05-09 14:05 ` Mark Brown
2018-05-09 22:09 ` Stephen Rothwell
2018-05-09 22:09 ` Stephen Rothwell
2018-05-10 13:36 ` Mark Brown
2018-05-10 13:36 ` Mark Brown
2018-05-10 22:01 ` Stephen Rothwell
2018-05-10 22:01 ` Stephen Rothwell
2018-05-09 15:57 ` Guenter Roeck
2018-05-09 15:57 ` Guenter Roeck
2018-05-09 21:45 ` Stephen Rothwell
2018-05-09 21:45 ` Stephen Rothwell
2018-05-09 16:04 ` Dan Williams
2018-05-09 16:04 ` Dan Williams
2018-05-09 16:04 ` Dan Williams
2018-05-09 21:51 ` Stephen Rothwell
2018-05-09 21:51 ` Stephen Rothwell
2018-05-09 21:51 ` Stephen Rothwell
2018-05-09 19:35 ` Boris Brezillon
2018-05-09 19:35 ` Boris Brezillon
2018-05-09 21:58 ` Stephen Rothwell
2018-05-09 21:58 ` Stephen Rothwell
2018-05-10 3:15 ` Sasha Levin
2018-05-10 3:15 ` Sasha Levin via Ksummit-discuss
2018-05-10 15:57 ` Tony Lindgren
2018-05-10 15:57 ` Tony Lindgren
2018-05-10 22:05 ` Stephen Rothwell
2018-05-10 22:05 ` Stephen Rothwell
2018-05-11 8:47 ` David Sterba
2018-05-11 8:49 ` David Sterba
2018-05-12 4:03 ` Stephen Rothwell
2018-05-12 4:03 ` Stephen Rothwell
2018-05-12 4:38 ` Stephen Rothwell
2018-05-12 4:38 ` Stephen Rothwell
2018-05-12 18:34 ` Guenter Roeck
2018-05-13 13:53 ` Andy Shevchenko
2018-05-13 13:53 ` Andy Shevchenko
2018-05-14 8:36 ` Ulf Hansson
2018-05-14 8:36 ` Ulf Hansson
2018-05-14 21:45 ` Stephen Rothwell
2018-05-14 21:45 ` Stephen Rothwell
2018-05-17 5:10 ` Mark Brown
2018-05-17 5:10 ` Mark Brown
2018-05-10 16:03 ` Jiri Kosina
2018-05-10 16:03 ` Jiri Kosina
2018-05-10 16:47 ` Sasha Levin
2018-05-10 16:47 ` Sasha Levin via Ksummit-discuss
2018-05-14 7:53 ` Geert Uytterhoeven
2018-05-14 7:53 ` Geert Uytterhoeven
2018-05-14 8:00 ` Geert Uytterhoeven
2018-05-14 8:00 ` Geert Uytterhoeven
2018-05-14 8:12 ` Boris Brezillon
2018-05-14 8:12 ` Boris Brezillon
2018-05-14 8:29 ` Geert Uytterhoeven
2018-05-14 8:29 ` Geert Uytterhoeven
2018-05-14 8:34 ` Boris Brezillon
2018-05-14 8:34 ` Boris Brezillon
2018-05-14 8:40 ` Geert Uytterhoeven
2018-05-14 8:40 ` Geert Uytterhoeven
2018-05-14 8:48 ` Boris Brezillon
2018-05-14 8:48 ` Boris Brezillon
2018-05-14 9:25 ` Fengguang Wu
2018-05-14 9:25 ` Fengguang Wu
2018-05-11 2:10 ` Mark Brown
2018-05-11 2:10 ` Mark Brown
2018-05-08 2:34 ` Sasha Levin
2018-05-08 2:34 ` Sasha Levin
2018-05-08 3:48 ` Theodore Y. Ts'o
2018-05-08 3:48 ` Theodore Y. Ts'o
2018-05-08 14:49 ` Tony Lindgren
2018-05-09 8:13 ` Mark Brown
2018-05-09 8:13 ` Mark Brown
2018-05-10 15:36 ` Tony Lindgren
2018-05-10 15:36 ` Tony Lindgren
2018-05-08 20:29 ` Sasha Levin
2018-05-08 20:29 ` Sasha Levin via Ksummit-discuss
2018-05-08 20:40 ` Matthew Wilcox
2018-05-08 20:40 ` Matthew Wilcox
2018-05-08 20:55 ` Sasha Levin
2018-05-08 20:55 ` Sasha Levin
2018-05-08 20:59 ` David Lang
2018-05-08 21:06 ` David Lang
2018-05-08 21:43 ` Sasha Levin
2018-05-08 21:43 ` Sasha Levin via Ksummit-discuss
2018-05-08 21:51 ` Dan Williams
2018-05-08 21:51 ` Dan Williams
2018-05-08 22:41 ` James Bottomley
2018-05-08 22:41 ` James Bottomley
2018-05-08 21:26 ` Justin Forbes
2018-05-08 21:26 ` Justin Forbes
2018-05-08 21:00 ` Ken Moffat
2018-05-08 21:08 ` Ken Moffat
2018-05-08 22:15 ` Theodore Y. Ts'o
2018-05-10 16:39 ` Sasha Levin
2018-05-09 4:47 ` Willy Tarreau
2018-05-09 4:47 ` Willy Tarreau
2018-05-08 13:58 ` Justin Forbes
2018-05-08 13:58 ` Justin Forbes
2018-05-08 2:39 ` Sasha Levin
2018-05-08 2:39 ` Sasha Levin via Ksummit-discuss
2018-05-01 22:02 ` Sasha Levin
2018-05-01 22:02 ` [Ksummit-discuss] " Sasha Levin
2018-05-02 4:30 ` Willy Tarreau
2018-05-02 4:30 ` [Ksummit-discuss] " Willy Tarreau
2018-05-02 19:42 ` Sasha Levin
2018-05-02 19:42 ` Sasha Levin
2018-05-02 20:02 ` Willy Tarreau
2018-05-02 20:02 ` [Ksummit-discuss] " Willy Tarreau
2018-07-14 17:38 ` Pavel Machek
2018-07-14 17:38 ` Pavel Machek
2018-07-14 18:37 ` [Ksummit-discuss] " Guenter Roeck
2018-07-14 18:37 ` Guenter Roeck
2018-07-14 19:47 ` Pavel Machek
2018-07-14 19:47 ` Pavel Machek
2018-07-14 20:40 ` Guenter Roeck
2018-07-14 20:40 ` Guenter Roeck
2018-07-14 21:09 ` Pavel Machek
2018-07-14 21:09 ` Pavel Machek
2018-07-15 5:57 ` Willy Tarreau
2018-07-15 5:57 ` Willy Tarreau
2018-07-15 8:54 ` Greg KH
2018-07-15 8:54 ` Greg KH
2018-07-15 14:50 ` [Ksummit-discuss] " Theodore Y. Ts'o
2018-07-15 14:50 ` Theodore Y. Ts'o
2018-07-15 20:15 ` [Ksummit-discuss] " Pavel Machek
2018-07-15 20:15 ` Pavel Machek
2018-05-03 11:08 ` [Ksummit-discuss] " Jani Nikula
2018-05-03 11:08 ` Jani Nikula
2018-05-03 14:33 ` James Bottomley
2018-05-03 14:33 ` James Bottomley
2018-05-03 14:48 ` Willy Tarreau
2018-05-03 14:49 ` Willy Tarreau
2018-05-03 15:06 ` Sasha Levin
2018-05-03 15:06 ` Sasha Levin via Ksummit-discuss
2018-05-03 15:27 ` James Bottomley
2018-05-03 15:27 ` James Bottomley
2018-05-03 15:43 ` Sasha Levin
2018-05-03 15:43 ` Sasha Levin via Ksummit-discuss
2018-05-03 17:17 ` Randy Dunlap
2018-05-03 17:17 ` Randy Dunlap
2018-05-03 17:39 ` Sasha Levin
2018-05-03 17:39 ` Sasha Levin via Ksummit-discuss
2018-05-03 18:10 ` James Bottomley
2018-05-03 18:10 ` James Bottomley
2018-05-03 15:56 ` Willy Tarreau
2018-05-03 15:57 ` Willy Tarreau
2018-05-03 18:58 ` Theodore Y. Ts'o
2018-05-03 18:58 ` Theodore Y. Ts'o
2018-05-01 23:28 ` Stephen Rothwell
2018-05-01 23:10 ` Stephen Rothwell
2018-05-02 15:32 ` Geert Uytterhoeven
2018-05-02 15:32 ` Geert Uytterhoeven
2018-05-02 19:51 ` Sasha Levin
2018-05-02 19:51 ` Sasha Levin via Ksummit-discuss
2018-05-02 20:41 ` Geert Uytterhoeven
2018-05-02 20:41 ` Geert Uytterhoeven
2018-05-03 0:06 ` [Ksummit-discuss] " Theodore Y. Ts'o
2018-05-03 0:06 ` Theodore Y. Ts'o
2018-05-03 0:38 ` Guenter Roeck
2018-05-03 0:38 ` Guenter Roeck
2018-05-03 2:30 ` Willy Tarreau
2018-05-03 2:30 ` Willy Tarreau
2018-05-03 14:55 ` Sasha Levin
2018-05-03 14:55 ` Sasha Levin
2018-05-03 15:49 ` Guenter Roeck
2018-05-03 15:49 ` Guenter Roeck
2018-05-03 16:02 ` Sasha Levin
2018-05-03 16:02 ` Sasha Levin via Ksummit-discuss
2018-05-03 16:50 ` Justin Forbes
2018-05-03 16:50 ` Justin Forbes
2018-05-03 17:09 ` Guenter Roeck
2018-05-03 17:09 ` Guenter Roeck
2018-05-03 11:48 ` Al Viro
2018-05-03 14:46 ` Sasha Levin
2018-05-03 14:46 ` Sasha Levin via Ksummit-discuss
2018-05-03 14:52 ` Willy Tarreau
2018-05-03 14:52 ` Willy Tarreau
2018-05-03 15:01 ` Sasha Levin
2018-05-03 15:01 ` Sasha Levin via Ksummit-discuss
2018-05-03 16:00 ` Willy Tarreau
2018-05-03 16:01 ` Willy Tarreau
2018-05-03 16:14 ` Sasha Levin
2018-05-03 16:15 ` Sasha Levin
2018-05-03 16:35 ` Willy Tarreau
2018-05-03 16:35 ` Willy Tarreau
2018-05-03 17:29 ` Sasha Levin
2018-05-03 17:29 ` Sasha Levin via Ksummit-discuss
2018-05-03 17:57 ` Willy Tarreau
2018-05-03 17:57 ` Willy Tarreau
2018-05-03 18:12 ` Sasha Levin
2018-05-03 18:12 ` Sasha Levin
2018-05-03 18:46 ` Guenter Roeck
2018-05-03 18:46 ` Guenter Roeck
2018-05-03 19:03 ` Willy Tarreau
2018-05-03 19:03 ` Willy Tarreau
2018-05-03 16:54 ` Al Viro
2018-05-03 16:54 ` Al Viro
2018-05-03 17:34 ` Sasha Levin
2018-05-03 17:34 ` Sasha Levin via Ksummit-discuss
2018-05-03 18:20 ` Al Viro
2018-05-03 18:20 ` Al Viro
2018-05-03 18:55 ` Greg KH
2018-05-03 18:55 ` Greg KH
2018-05-03 19:14 ` Willy Tarreau
2018-05-03 19:14 ` Willy Tarreau
2018-05-03 19:17 ` Sasha Levin
2018-05-03 19:17 ` Sasha Levin via Ksummit-discuss
2018-05-03 19:04 ` Sasha Levin
2018-05-03 19:04 ` Sasha Levin
2018-05-04 9:57 ` David Howells
2018-05-04 9:57 ` David Howells
2018-05-04 12:31 ` Jani Nikula
2018-05-04 12:31 ` Jani Nikula
2018-05-04 13:09 ` Theodore Y. Ts'o
2018-05-04 13:09 ` Theodore Y. Ts'o
2018-05-04 17:40 ` Greg KH
2018-05-04 17:40 ` Greg KH
2018-05-04 21:13 ` Theodore Y. Ts'o
2018-05-04 21:13 ` Theodore Y. Ts'o
2018-05-04 21:38 ` James Bottomley
2018-05-04 21:38 ` James Bottomley
2018-05-04 21:51 ` Sasha Levin
2018-05-04 21:51 ` Sasha Levin
2018-05-04 23:35 ` Theodore Y. Ts'o
2018-05-04 23:35 ` Theodore Y. Ts'o
2018-05-05 4:23 ` Willy Tarreau
2018-05-05 4:24 ` Willy Tarreau
2018-05-05 5:02 ` Eric W. Biederman
2018-05-05 5:02 ` Eric W. Biederman
2018-05-05 16:37 ` Greg KH
2018-05-05 16:37 ` Greg KH
2018-05-05 5:27 ` Sasha Levin
2018-05-05 5:27 ` Sasha Levin via Ksummit-discuss
2018-05-03 11:43 ` Al Viro
2018-05-03 11:43 ` Al Viro
2018-05-02 15:32 ` Geert Uytterhoeven
2018-05-02 15:32 ` Geert Uytterhoeven
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