From: Robert Love <rml@tech9.net>
To: Thomas Schlichter <schlicht@uni-mannheim.de>
Cc: James Simmons <jsimmons@infradead.org>,
Helge Hafting <helgehaf@aitel.hist.no>,
Andrew Morton <akpm@osdl.org>,
Valdis.Kletnieks@vt.edu, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: 2.6.0-test8-mm1
Date: Tue, 21 Oct 2003 19:27:25 -0400 [thread overview]
Message-ID: <1066778844.768.348.camel@localhost> (raw)
In-Reply-To: <200310220053.13547.schlicht@uni-mannheim.de>
On Tue, 2003-10-21 at 18:53, Thomas Schlichter wrote:
> For me the big question stays why enabling the DEBUG_* options results in a
> corrupt cursor and the false dots on the top of each row... (with both
> kernels)
Almost certainly due to CONFIG_DEBUG_SLAB or CONFIG_DEBUG_PAGEALLOC,
which debug memory allocations and frees.
Code that commits the usual memory bugs (use-after-free, etc.) will
quickly die with these set, whereas without them the bug might never
manifest.
Robert Love
WARNING: multiple messages have this Message-ID (diff)
From: Robert Love <rml@tech9.net>
To: Thomas Schlichter <schlicht@uni-mannheim.de>
Cc: James Simmons <jsimmons@infradead.org>,
Helge Hafting <helgehaf@aitel.hist.no>,
Andrew Morton <akpm@osdl.org>,
Valdis.Kletnieks@vt.edu, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: 2.6.0-test8-mm1
Date: Tue, 21 Oct 2003 19:27:25 -0400 [thread overview]
Message-ID: <1066778844.768.348.camel@localhost> (raw)
In-Reply-To: <200310220053.13547.schlicht@uni-mannheim.de>
On Tue, 2003-10-21 at 18:53, Thomas Schlichter wrote:
> For me the big question stays why enabling the DEBUG_* options results in a
> corrupt cursor and the false dots on the top of each row... (with both
> kernels)
Almost certainly due to CONFIG_DEBUG_SLAB or CONFIG_DEBUG_PAGEALLOC,
which debug memory allocations and frees.
Code that commits the usual memory bugs (use-after-free, etc.) will
quickly die with these set, whereas without them the bug might never
manifest.
Robert Love
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next prev parent reply other threads:[~2003-10-21 23:29 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-20 9:05 2.6.0-test8-mm1 Andrew Morton
2003-10-20 9:05 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-20 9:40 ` 2.6.0-test8-mm1 Kirill Korotaev
2003-10-20 9:49 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-20 11:05 ` 2.6.0-test8-mm1 Peter Lieverdink
2003-10-20 18:49 ` 2.6.0-test8-mm1 Helge Hafting
2003-10-21 11:06 ` 2.6.0-test8-mm1 [matroxfb not working] Jurriaan
2003-10-20 11:18 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-20 13:22 ` 2.6.0-test8-mm1 Jonathan Brown
2003-10-20 15:00 ` 2.6.0-test8-mm1 Antonio Dolcetta
2003-10-20 16:32 ` 2.6.0-test8-mm1 Jonathan Brown
2003-10-21 7:28 ` 2.6.0-test8-mm1 Antonio Dolcetta
2003-10-20 15:32 ` 2.6.0-test8-mm1 John Cherry
2003-10-20 15:32 ` 2.6.0-test8-mm1 John Cherry
2003-10-20 16:11 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-20 21:48 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-20 21:48 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-20 22:01 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-20 22:17 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-20 22:17 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-20 22:30 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-21 0:43 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-21 0:14 ` 2.6.0-test8-mm1 Valdis.Kletnieks
2003-10-21 0:27 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-21 0:27 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-21 0:46 ` 2.6.0-test8-mm1 Valdis.Kletnieks
2003-10-21 1:56 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-21 1:56 ` 2.6.0-test8-mm1 Andrew Morton
2003-10-21 2:54 ` 2.6.0-test8-mm1 Valdis.Kletnieks
2003-10-21 3:49 ` 2.6.0-test8-mm1 Jeremy Fitzhardinge
2003-10-21 3:49 ` 2.6.0-test8-mm1 Jeremy Fitzhardinge
2003-10-21 8:39 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-21 17:47 ` 2.6.0-test8-mm1 James Simmons
2003-10-21 17:47 ` 2.6.0-test8-mm1 James Simmons
2003-10-21 18:53 ` 2.6.0-test8-mm1 Jurriaan
2003-10-22 17:02 ` 2.6.0-test8-mm1 James Simmons
2003-10-21 20:23 ` 2.6.0-test8-mm1 Helge Hafting
2003-10-21 20:23 ` 2.6.0-test8-mm1 Helge Hafting
2003-10-21 20:36 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-21 20:42 ` 2.6.0-test8-mm1 James Simmons
2003-10-21 20:42 ` 2.6.0-test8-mm1 James Simmons
2003-10-21 21:05 ` 2.6.0-test8-mm1 Thomas Giese
2003-10-22 17:08 ` 2.6.0-test8-mm1 James Simmons
2003-10-21 22:53 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-21 22:53 ` 2.6.0-test8-mm1 Thomas Schlichter
2003-10-21 23:27 ` Robert Love [this message]
2003-10-21 23:27 ` 2.6.0-test8-mm1 Robert Love
2003-10-22 2:46 ` 2.6.0-test8-mm1 Valdis.Kletnieks
2003-10-21 20:55 ` 2.6.0-test8-mm1 Panagiotis Papadakos
2003-10-22 17:12 ` 2.6.0-test8-mm1 James Simmons
2003-10-20 19:21 ` [BUG] 2.6.0-test8-mm1 Ramón Rey Vicente
2003-10-20 20:10 ` Andrew Morton
2003-10-20 20:10 ` Andrew Morton
2003-10-20 21:53 ` Ramón Rey Vicente
2003-10-21 8:03 ` 2.6.0-test8-mm1 Stephane Jourdois
2003-10-21 15:43 ` 2.6.0-test8-mm1 bill davidsen
2003-10-21 17:42 ` 2.6.0-test8-mm1 Valdis.Kletnieks
-- strict thread matches above, loose matches on Subject: below --
2003-10-20 11:35 2.6.0-test8-mm1 Jan Ischebeck
2003-10-24 0:14 2.6.0-test8-mm1 James Vega
2003-10-24 9:35 2.6.0-test8-mm1 Catani, Antonio
2003-10-24 17:52 ` 2.6.0-test8-mm1 James Simmons
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