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Date:      Sat, 12 Oct 2002 00:21:44 -0500
From:      "Maildrop" <maildrop@qwest.net>
To:        "Jonas Fornander" <jonas@netwood.net>, "'FreeBSD LIST'" <FreeBSD-Questions@freebsd.org>
Subject:   Drive/DMA issuse
Message-ID:  <NGBBIILBAKIFGHHCHOHPAEDDFJAA.maildrop@qwest.net>
In-Reply-To: <019f01c2719b$c5fb3740$0800a8c0@master>

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Everytime I boot up, I see this in my log files:


ad0: 4112MB <SAMSUNG SV0432A> [8912/15/63] at ata0-master UDMA33
ad2: 95396MB <WDC WD1000BB-00CAA0> [193821/16/63] at ata1-master UDMA33
ad3: 78167MB <Maxtor 98196H8> [158816/16/63] at ata1-slave UDMA33
ad0s1a: UDMA ICRC error reading fsbn 11199 of 5568-5571 (ad0s1 bn 11199; cn
0 tn 177 sn 48) retrying
ad0s1a: UDMA ICRC error reading fsbn 255 of 96-127 (ad0s1 bn 255; cn 0 tn 4
sn 3) retrying
ad0s1a: UDMA ICRC error reading fsbn 255 of 96-127 (ad0s1 bn 255; cn 0 tn 4
sn 3) retrying
ad0s1a: UDMA ICRC error reading fsbn 255 of 96-127 (ad0s1 bn 255; cn 0 tn 4
sn 3) retrying
ad0s1a: UDMA ICRC error reading fsbn 255 of 96-127 (ad0s1 bn 255; cn 0 tn 4
sn 3) falling back to PIO mode


I tried switch IDE cables (used 3 differant cables on the drive) and played
around with the PIO/bits in the BIOS (tried PIO 4, PIO 1, none, auto and
both 16-bit and 32-bit and all combinations of these).  I have ran fsck on
the drive many times.

Sometimes the server crashes, I think it might be related to this hard drive
(if a hard drive fails to save data, could/would this cause a kernel panic?)

Any suggestions?  It appears the other drives are working fine.

ad0s1a is my root slice/drive, btw.  (this drive has a root slice, /var
slice and a swap slice).


Regards,
Jack


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