write_dma error

[mac.tc]

On Sun, Apr 19, 2009 at 6:59 PM, Zane C.B. <v.velox at vvelox.net> wrote:

> On Sun, 19 Apr 2009 14:36:40 +0100
> Bruce Cran <bruce at cran.org.uk> wrote:
>
> > On Sun, 19 Apr 2009 08:49:10 -0400
> > Lowell Gilbert <freebsd-questions-local at be-well.ilk.org> wrote:
> >
> > > Hmm.  ICRC errors are about the controller talking to the disk
> > > electronics.  They don't generally have anything to do with the
> > > magnetic medium itself.
> > >
> > > Try replacing the cable.
> >
> > The only time I've seen ICRC errors was when FreeBSD was programming
> > UDMA100 mode when I only had a UDMA33 cable installed. Overridding
> > the mode using atacontrol solved it, as did installing a UDMA66
> > cable.
>
> I've seen the issue quit often in cheap, or long, UDMA100 cables as
> well.
>
i haven't tried changing the cable, but it is just a standard sata cable,
those about a foot long.
it is doing ok right now but still would like to do some checks on it. See,
the biggest problem was actually caused by S.M.A.R.T that day i posted,
which i had enabled the day before and forgot about. The whole computer was
acting up when accessing disks and i saw the error more frequent till it
actually caused a panic, hard rebooted, and vanished from the bios listing.
When i pulled it out it seemed somewhat overheated.
the thing is though, i never had S.M.A.R.T  enabled before and still saw the
error sometimes; and pretty sure it depended on the install - either i see
it often, or not at all on this particular disk.

anyway, thanks all for the input