From: Linus Torvalds <torvalds@linux-foundation.org>
To: Paul Cercueil <paul@crapouillou.net>
Cc: vbabka@suse.cz, 42.hyeyoo@gmail.com, akpm@linux-foundation.org,
catalin.marinas@arm.com, cl@linux.com, iamjoonsoo.kim@lge.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
penberg@kernel.org, rientjes@google.com, rkovhaev@gmail.com,
roman.gushchin@linux.dev, willy@infradead.org
Subject: Re: Deprecating and removing SLOB
Date: Wed, 9 Nov 2022 13:39:12 -0800 [thread overview]
Message-ID: <CAHk-=wjBqwJk9RgfoBuM00T49M7uQiLnOvLST7L6v5rhS7fkDA@mail.gmail.com> (raw)
In-Reply-To: <K5M3LR.3O50LSSSY5L3@crapouillou.net>
On Wed, Nov 9, 2022 at 12:56 PM Paul Cercueil <paul@crapouillou.net> wrote:
>
> It worked fine on some boards, but on others it had about a 25% chance
> of booting, and 75% chance of hanging at boot. I tried printk-debugging
> it, and was coming to the conclusion that it's memory corruption of
> some sort.
>
> Then I switched to SLUB and all the problems are gone. Same with SLAB.
>
> So while I can't say for sure that SLOB is broken (it might be
> triggering a bug somewhere else), I am highly suspicious that it is.
I have this distinct memory of having seen other reports like this,
but my google-fu is not strong enough to back that up.
There definitely has been recurring noise about SLOB issues. There's a
reason people have wanted to remove it for years and years.
Linus
next prev parent reply other threads:[~2022-11-09 21:39 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-09 20:56 Deprecating and removing SLOB Paul Cercueil
2022-11-09 21:39 ` Linus Torvalds [this message]
2022-11-09 23:48 ` Aaro Koskinen
2022-11-09 23:51 ` Aaro Koskinen
2022-11-10 4:40 ` Theodore Ts'o
2022-11-10 7:31 ` Vlastimil Babka
2022-11-10 7:54 ` Feng Tang
2022-11-10 16:20 ` Matthew Wilcox
2022-11-11 9:37 ` David Laight
-- strict thread matches above, loose matches on Subject: below --
2022-11-08 15:55 Vlastimil Babka
2022-11-08 18:18 ` Christophe Leroy
2022-11-08 19:17 ` Andrew Morton
2022-11-08 18:46 ` Roman Gushchin
2022-11-08 20:13 ` Yosry Ahmed
2022-11-09 9:09 ` Vlastimil Babka
2022-11-08 21:44 ` Pasha Tatashin
2022-11-09 9:00 ` Vlastimil Babka
2022-11-09 9:00 ` Vlastimil Babka
2022-11-09 9:00 ` Vlastimil Babka
2022-11-09 9:00 ` Vlastimil Babka
2022-11-09 15:50 ` Aaro Koskinen
2022-11-09 15:50 ` Aaro Koskinen
2022-11-09 15:50 ` Aaro Koskinen
2022-11-09 15:50 ` Aaro Koskinen
2022-11-09 16:45 ` Geert Uytterhoeven
2022-11-09 16:45 ` Geert Uytterhoeven
2022-11-09 16:45 ` Geert Uytterhoeven
2022-11-09 16:45 ` Geert Uytterhoeven
2022-11-09 17:45 ` Mike Rapoport
2022-11-09 17:45 ` Mike Rapoport
2022-11-09 17:45 ` Mike Rapoport
2022-11-09 17:45 ` Mike Rapoport
2022-11-09 21:16 ` Janusz Krzysztofik
2022-11-09 21:16 ` Janusz Krzysztofik
2022-11-09 21:16 ` Janusz Krzysztofik
2022-11-09 21:16 ` Janusz Krzysztofik
2022-11-09 17:57 ` Conor.Dooley
2022-11-09 23:00 ` Damien Le Moal
2022-11-11 10:25 ` Vlastimil Babka
2022-11-12 1:40 ` Damien Le Moal
2022-11-11 10:33 ` Vlastimil Babka
2022-11-11 10:33 ` Vlastimil Babka
2022-11-11 10:33 ` Vlastimil Babka
2022-11-11 10:33 ` Vlastimil Babka
2022-11-11 20:46 ` Conor Dooley
2022-11-11 20:46 ` Conor Dooley
2022-11-11 20:46 ` Conor Dooley
2022-11-11 20:46 ` Conor Dooley
2022-11-12 1:40 ` Damien Le Moal
2022-11-12 1:40 ` Damien Le Moal
2022-11-12 1:40 ` Damien Le Moal
2022-11-12 1:40 ` Damien Le Moal
2022-11-14 1:55 ` Damien Le Moal
2022-11-14 1:55 ` Damien Le Moal
2022-11-14 1:55 ` Damien Le Moal
2022-11-14 1:55 ` Damien Le Moal
2022-11-14 5:48 ` Damien Le Moal
2022-11-14 5:48 ` Damien Le Moal
2022-11-14 5:48 ` Damien Le Moal
2022-11-14 5:48 ` Damien Le Moal
2022-11-14 9:36 ` Vlastimil Babka
2022-11-14 9:36 ` Vlastimil Babka
2022-11-14 9:36 ` Vlastimil Babka
2022-11-14 9:36 ` Vlastimil Babka
2022-11-14 11:35 ` Damien Le Moal
2022-11-14 11:35 ` Damien Le Moal
2022-11-14 11:35 ` Damien Le Moal
2022-11-14 11:35 ` Damien Le Moal
2022-11-14 14:47 ` Hyeonggon Yoo
2022-11-14 14:47 ` Hyeonggon Yoo
2022-11-14 14:47 ` Hyeonggon Yoo
2022-11-14 14:47 ` Hyeonggon Yoo
2022-11-15 4:24 ` Damien Le Moal
2022-11-15 4:24 ` Damien Le Moal
2022-11-15 4:24 ` Damien Le Moal
2022-11-15 4:24 ` Damien Le Moal
2022-11-15 4:28 ` Damien Le Moal
2022-11-15 4:28 ` Damien Le Moal
2022-11-15 4:28 ` Damien Le Moal
2022-11-15 4:28 ` Damien Le Moal
2022-11-16 7:57 ` Matthew Wilcox
2022-11-16 7:57 ` Matthew Wilcox
2022-11-16 7:57 ` Matthew Wilcox
2022-11-16 7:57 ` Matthew Wilcox
2022-11-16 8:02 ` Damien Le Moal
2022-11-16 8:02 ` Damien Le Moal
2022-11-16 8:02 ` Damien Le Moal
2022-11-16 8:02 ` Damien Le Moal
2022-11-16 17:51 ` Vlastimil Babka
2022-11-16 17:51 ` Vlastimil Babka
2022-11-16 17:51 ` Vlastimil Babka
2022-11-16 17:51 ` Vlastimil Babka
2022-11-17 0:22 ` Damien Le Moal
2022-11-17 0:22 ` Damien Le Moal
2022-11-17 0:22 ` Damien Le Moal
2022-11-17 0:22 ` Damien Le Moal
2022-11-21 4:30 ` Damien Le Moal
2022-11-21 4:30 ` Damien Le Moal
2022-11-21 4:30 ` Damien Le Moal
2022-11-21 4:30 ` Damien Le Moal
2022-11-21 17:02 ` Vlastimil Babka
2022-11-21 17:02 ` Vlastimil Babka
2022-11-21 17:02 ` Vlastimil Babka
2022-11-21 17:02 ` Vlastimil Babka
2022-11-14 11:50 ` Hyeonggon Yoo
2022-11-14 11:50 ` Hyeonggon Yoo
2022-11-14 11:50 ` Hyeonggon Yoo
2022-11-14 11:50 ` Hyeonggon Yoo
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