linux-kernel - Re: ATA device reset, shoud I be concerned?

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]

Message-ID: <4794AD3F.40309@gmail.com>
Date:	Mon, 21 Jan 2008 23:33:35 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Georgi Chulkov <g.chulkov@...obs-university.de>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	Mark Lord <liml@....ca>
Subject: Re: ATA device reset, shoud I be concerned?

Tejun Heo wrote:
> IMHO, losing media error information is much better than locking up a
> machine hard.  We can start white listing known good controllers but I'm
> skeptical how much benefit it will bring.

Just a data point, even ICHs lock up after PHY event if the wrong TF
register is accessed.  I just don't think tempting with TF regs after
timeout is worth the cost.

-- 
tejun
--
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/