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Date:      Sun, 3 Jun 2001 12:33:35 -0400 (EDT)
From:      Adam <bsdx@looksharp.net>
To:        <stable@freebsd.org>
Subject:   Re: harddisk faillure or kernel problem ?
Message-ID:  <20010603123319.R54795-100000@turtle.looksharp.net>
In-Reply-To: <20010523153749.A1257@enigma.whacky.net>

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I have been told these can be caused by cable problems or even other
things on the pci bus so the data just didnt get through with a correct
crc. I think my troubles started when I reorganized some drives, and went
away when I used an 80 pin cable for the affected drive.  The drive was
only ata33 but the extra grounding present in the cable seems to help keep
data sane.  Maybe a shorter, better cable would help you.  I'd avoid
kinking or looping the cable and try to keep it reasonably away from other
things if possible.


On Wed, 23 May 2001, Stephan van Beerschoten wrote:

>For a while now I keep having the following logentries in my messages file:
>
>May 23 13:59:40 enigma /kernel: ad0s1a: UDMA ICRC error reading fsbn 1704031 of 720912-720913 (ad0s1 bn 17040
>31; cn 1803 tn 3 sn 7) retrying
>May 23 13:59:40 enigma /kernel: ad0s1a: UDMA ICRC error reading fsbn 2857979 of 1297886-1297887 (ad0s1 bn 285
>7979; cn 3024 tn 4 sn 47) retrying
>May 23 13:59:40 enigma /kernel: ad0s1a: UDMA ICRC error reading fsbn 3689535 of 1713664-1713677 (ad0s1 bn 368
>9535; cn 3904 tn 4 sn 3) retrying
>May 23 13:59:40 enigma /kernel: ad0s1a: UDMA ICRC error reading fsbn 4198463 of 1968128-1968129 (ad0s1 bn 419
>8463; cn 4442 tn 12 sn 17) retrying
>May 23 13:59:40 enigma /kernel: ad0s1a: UDMA ICRC error reading fsbn 4607039 of 2172416-2172419 (ad0s1 bn 460
>7039; cn 4875 tn 2 sn 38) retrying
>
>Is this because of some UDMA option in my kernel that I have or may have missed, or is this really hardware ?
> I've had this for months now and never actually bothered because it never gave me any problems,
> at least not noticable ones. I use the machine remotely mainly, so harddisk speeds that may
> have dropped because of this are hardly noticable if you're just doing commandline work.
>
>Diagnoses: Do I need to replace hardware here, or not ?
>
>FreeBSD xxxx.xx.xxx.xx.xx 4.3-STABLE FreeBSD 4.3-STABLE #3: Tue May 15 20:23:48 CEST 2001     root@xxxx.xx.xxx.xx.xx:/usr/obj/usr/src/sys/ENIGMA  i386
>
>
>Thanks,
> Stephan
>
>--
>Stephan van Beerschoten [SVB21-RIPE]       stephanb@whacky.net
>  PGP fingerprint:  4557 9761 B212 FB4C  778D 3529 C42A 2D27
>     "To err is human, to forgive is Not Company Policy"
>
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>


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