linux-kernel - Intel AHCI generating spurious completions during NCQ errors

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Date:	Thu, 24 May 2007 13:37:18 +0000
From:	Paul Erkkila <pee@...kila.org>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org
CC:	"Paul E. Erkkila" <pee@...kila.org>
Subject: Intel AHCI generating spurious completions during NCQ errors

Hi,

  I'm going through the process of setting up a new mythtv box. I
decided to let it record for a few days to see how it goes under a
constant workload and am seeing an occasional error in the logs about
NCQ problems. They are not happening with any regularity, maybe once
every 3-4 hours.

This is git from yesterday or so with the mv-ahci patch that was posted
a few days ago included. However those drives aren't actually mounted
right now. They are detected and spun up though.

drive detection/errors/lspci attached.

-pee

View attachment "ahci-1.txt" of type "text/plain" (30200 bytes)