linux-kernel - Re: [BUG] Lockless patches cause hardlock under heavy IO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 23 Jun 2008 12:29:42 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	"Ryan Hope" <rmh3093@...il.com>
Cc:	"Peter Zijlstra" <peterz@...radead.org>, linux-mm@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] Lockless patches cause hardlock under heavy IO

On Monday 23 June 2008 01:18, Ryan Hope wrote:
> Well in the current version of the patchset we are using, one user
> would start playing some game (disabling "Disable Heap Randomization"
> fixed the hardlocks for him... the other user got hardlocks when
> copying an ISO from a reiser4 partition to a reiserfs partition
> (disabling swap fixed the issue for him).

Hmm, nobody has reported such a hang with -mm yet, so maybe it
is another interaction in the patchset. OTOH, probably nobody
much uses -mm and reiser4, and reiser4 does lots of weird fiddling
with pagecache so it could be broken in -mm even.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/