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Date:      Fri, 9 Dec 2005 18:18:11 -0500
From:      Martin Cracauer <cracauer@cons.org>
To:        freebsd-current@freebsd.org
Subject:   "ad0: TIMEOUT - READ_DMA retrying" - does this mean I am fine?
Message-ID:  <20051209181811.A93373@cons.org>

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This is a question on IDE error recovery.

I have a broken drive and while copying the data over to a new drive I
have seen:

Dec  9 03:09:40 grisu kernel: ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=68460463
Dec  9 03:10:10 grisu kernel: ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=70278843
Dec  9 03:10:39 grisu kernel: ad0: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=71672863
Dec  9 03:10:49 grisu kernel: ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=72831895
Dec  9 03:11:49 grisu kernel: ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=14894591

So, it says "1 retry left" every time and there is no message saying
that a hard error occured.

Does that mean the files got off the drive OK?

This is 6-stable.  Intel ICH4 UDMA100 controller (Thinkpad).

Martin
-- 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Martin Cracauer <cracauer@cons.org>   http://www.cons.org/cracauer/
FreeBSD - where you want to go, today.      http://www.freebsd.org/



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