linux-kernel - Re: [PATCH] scsi_lib.c: continue after MEDIUM

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: <20070131152301.19a8a5ac@localhost.localdomain>
Date:	Wed, 31 Jan 2007 15:23:01 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Mark Lord <liml@....ca>
Cc:	Ric Wheeler <ric@....com>, "Eric D. Mudama" <edmudama@...il.com>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	linux-kernel@...r.kernel.org,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>, dougg@...que.net
Subject: Re: [PATCH] scsi_lib.c: continue after MEDIUM_ERROR

> When libata reports a MEDIUM_ERROR to us, we *know* it's non-recoverable,
> as the drive itself has already done internal retries (libata uses the
> "with retry" ATA opcodes for this).

This depends on the firmware. Some of the "raid firmware" drives don't
appear to do retries in firmware.

> But meanwhile, we still have the original issue too, where a single stray
> bad sector can blow a system out of the water, because the mid-layer
> currently aborts everything after it from a large merged request.
> 
> Thus the original patch from this thread.  :)

Agreed
-
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/