linux-kernel - Re: [PATCH 1/1] filesystem: Disk Errors at boot-time caused by probe of partitions

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Date:	Fri, 02 Feb 2007 00:25:11 +0000
From:	TJ <linux@...orld.net>
To:	"Eric D. Mudama" <edmudama@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	Neil Brown <neilb@...e.de>
Subject: Re: [PATCH 1/1] filesystem: Disk Errors at boot-time caused by
	probe of partitions

On Thu, 2007-02-01 at 17:10 -0700, Eric D. Mudama wrote:

> In the log you posted, the drive posted 51/04 to your out-of-bounds
> request, but these are 59/04, do they span the end of the device or
> something?

As you can see in the error-log including in the Ubuntu bug report, the
51/04 errors are generated in dma_intr() and occur in the initial phase
when the driver is using DMA.

After a  few of these errors it disables DMA and switches to PIO mode,
which is when the 59/04 errors are generated in task_in_intr().

TJ.

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