Re: write_dma error

2009-04-19 Thread mac.tc
On Sun, Apr 19, 2009 at 6:59 PM, Zane C.B. v.ve...@vvelox.net wrote:

 On Sun, 19 Apr 2009 14:36:40 +0100
 Bruce Cran br...@cran.org.uk wrote:

  On Sun, 19 Apr 2009 08:49:10 -0400
  Lowell Gilbert freebsd-questions-lo...@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
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write_dma error

2009-04-18 Thread mac.tc
hi, can anyone tell me what this message is related to?

WRITE_DMA UDMA ICRC error (retrying request) LBA=62939519

drive/hardware failing?
i am seeing a lot of it lately on a particular disk where i have tried a few
different installs and don't always
get this problem. i have seen it disappear after some painstaking before a
reinstall this disk, like wiping the whole disk clean before install,
checking geometry is right, but maybe coincidence?
it is a sata300, 7.2 beta1 amd64 and i am thinking there is problem with the
disk, but the error varied a bit with different installs (i.e. whether i see
the error or not)
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