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> Date: Wed, 4 Mar 2009 13:47:38 +0100
> From: Jasper Valentijn <jasper.valentijn@xxxxxxxxx>
>
> root on wd0a swap on wd0b dump on wd0b
> WARNING: / was not properly unmounted
> wd0e: aborted command, interface CRC error reading fsbn 136332 of
> 136332-136363 (wd0 bn 9839592; cn 10412 tn 4 sn 0), retrying
> wd0e: aborted command, interface CRC error reading fsbn 136332 of
> 136332-136363 (wd0 bn 9839592; cn 10412 tn 4 sn 0), retrying
> wd0: soft error (corrected)
> wd0a: aborted command, interface CRC error reading fsbn 135892 of
> 135892-135923 (wd0 bn 138727; cn 146 tn 12 sn 1), retrying
> wd0: soft error (corrected)
> wd0a: aborted command, interface CRC error reading fsbn 135604 of
> 135604-135635 (wd0 bn 138439; cn 146 tn 7 sn 28), retrying
> wd0: soft error (corrected)
> wd0a: aborted command, interface CRC error reading fsbn 135892 of
> 135892-135923 (wd0 bn 138727; cn 146 tn 12 sn 1), retrying
> wd0a: aborted command, interface CRC error reading fsbn 135892 of
> 135892-135923 (wd0 bn 138727; cn 146 tn 12 sn 1), retrying
> wd0: transfer error, downgrading to Ultra-DMA mode 1
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 1
> wd0a: aborted command, interface CRC error reading fsbn 135892 of
> 135892-135923 (wd0 bn 138727; cn 146 tn 12 sn 1), retrying
> wd0: transfer error, downgrading to Ultra-DMA mode 0
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 0
> wd0a: aborted command, interface CRC error reading fsbn 135892 of
> 135892-135923 (wd0 bn 138727; cn 146 tn 12 sn 1), retrying
> wd0: soft error (corrected)
If you only see these problems upon boot, then this is basically the
driver attempting to use Ultra-DMA, finding that it doesn't work and
downgrading until it finds a mode that does work. The problem may be
with the driver where it incorrectly thinks your hardware supports
Ultra-DMA. Or it could be a hardware problem. This might happen for
example when you connect a UDMA-capable drive using an old 40-pin
cable.
If you also see these messages after running for a while, it's
probably a sign that your disk is dying.
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