On Wed, 18 Dec 1996 10:16:57 -0600 
 "Marshall Midden" <m4@nts.umn.edu> wrote:

 > Guess what, disk label is in core!  Doing a "df /dev/rsd${i}c" found the
 > problem.  Disk number 9 decided to die.  So, the component "4" is not a very
 > useful number.

Duh, I was playing a pointer trick that I shouldn't have been...

The patch below should fix the problem...

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                               Home: 408.866.1912
NAS: M/S 258-6                                          Work: 415.604.0935
Moffett Field, CA 94035                                Pager: 415.428.6939

 ----- snip -----

Index: ccd.c
===================================================================
RCS file: /mastersrc/netbsd/src/sys/dev/ccd.c,v
retrieving revision 1.11
diff -c -r1.11 ccd.c
*** ccd.c	1996/10/16 02:45:11	1.11
--- ccd.c	1996/12/18 18:49:34
***************
*** 743,748 ****
--- 743,749 ----
  	register struct ccdcinfo *ci, *ci2 = NULL;
  	register struct ccdbuf *cbp;
  	register daddr_t cbn, cboff;
+ 	int ccdisk;
  
  #ifdef DEBUG
  	if (ccddebug & CCDB_IO)
***************
*** 762,768 ****
  		register daddr_t sblk;
  
  		sblk = 0;
! 		for (ci = cs->sc_cinfo; cbn >= sblk + ci->ci_size; ci++)
  			sblk += ci->ci_size;
  		cbn -= sblk;
  	}
--- 763,771 ----
  		register daddr_t sblk;
  
  		sblk = 0;
! 		for (ccdisk = 0, ci = &cs->sc_cinfo[ccdisk];
! 		    cbn >= sblk + ci->ci_size;
! 		    ccdisk++, ci = &cs->sc_cinfo[ccdisk])
  			sblk += ci->ci_size;
  		cbn -= sblk;
  	}
***************
*** 771,777 ****
  	 */
  	else {
  		register struct ccdiinfo *ii;
! 		int ccdisk, off;
  
  		cboff = cbn % cs->sc_ileave;
  		cbn /= cs->sc_ileave;
--- 774,780 ----
  	 */
  	else {
  		register struct ccdiinfo *ii;
! 		int off;
  
  		cboff = cbn % cs->sc_ileave;
  		cbn /= cs->sc_ileave;
***************
*** 825,832 ****
  	 * context for ccdiodone
  	 */
  	cbp->cb_obp = bp;
! 	cbp->cb_unit = cs - ccd_softc;
! 	cbp->cb_comp = ci - cs->sc_cinfo;
  
  	/* First buffer is dealt with. */
  	cbpp[0] = cbp;
--- 828,835 ----
  	 * context for ccdiodone
  	 */
  	cbp->cb_obp = bp;
! 	cbp->cb_unit = cs->sc_unit;
! 	cbp->cb_comp = ccdisk;
  
  	/* First buffer is dealt with. */
  	cbpp[0] = cbp;