"ad0: TIMEOUT - READ_DMA retrying" - does this mean I am fine?

Søren Schmidt sos at FreeBSD.org
Fri Dec 9 15:32:19 PST 2005


Martin Cracauer wrote:

>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?
>  
>
Yes the retry succeeded, or you will get a "FAILURE" line logged, or at 
least that was the idea :)

-Søren


More information about the freebsd-current mailing list