On Mon, 28 Jun 1999 07:47:03 -0400 (EDT) 
 Erik Rungi <blackbox@openface.ca> wrote:

 > I saw this on my console this morning (and its in the dmesg buffer as well).
 > 
 > Can anyone enlighten me as to what this means:
 > 
 > sd2(ahc0:2:0):  DEFERRED ERROR, key = 0x4
 > sd2(ahc0:2:0):  Check Condition on CDB: 0x2a 00 00 60 a7 70 00 00 10 00
 >     SENSE KEY:  Hardware Error
 >    INFO FIELD:  6624732
 >      ASC/ASCQ:  Mechanical Positioning Error
 >      FRU CODE:  0x1
 > 
 > ccd0: error 5 on component 2
 > 
 > Does this mean the ccd failed to read/write some data, or does it mean that a
 > hardware level error occured but my machine was smart enough to try doing
 > whatever it needed to do again, or does it mean something else entirely?

The CCD failed to write the data, because the underlying disk failed to
write the data; if the error is recovered from, EIO isn't (supposed to be)
returned.

Looks like the disk was unable to perform a seek?

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>