On Mon, 13 May 1996 10:48:26 +0300 (EET DST) 
 Jukka Marin <jmarin@muikku.jmp.fi> wrote:

 > I use ccd to join three 4-gig disks.  When doing newfs on the ccd disk,
 > the syslog is flooded with

This isn't a problem with the ccd, per se.  It's something in the leyers 
below the ccd that's causing the problem...

C.f. the sd1 errors, they actually come from sys/scsi/sd.c:sdstart():

[ . . . ]
                /* Instrumentation. */
                disk_busy(&sd->sc_dk);
        
                /*
                 * Call the routine that chats with the adapter.
                 * Note: we cannot sleep as we may be an interrupt  
                 */ 
                if (scsi_scsi_cmd(sc_link, cmdp, cmdlen,
                    (u_char *)bp->b_data, bp->b_bcount,
                    SDRETRIES, 10000, bp, SCSI_NOSLEEP |
                    ((bp->b_flags & B_READ) ? SCSI_DATA_IN : SCSI_DATA_OUT)))
                        printf("%s: not queued", sd->sc_dev.dv_xname);

The implication is that your SCSI controller is failing to send the 
command.  It could also be that the SCSI subsystem is unable to malloc() 
storage for a data structure (note the SCSI_NOSLEEP).

Now, the ccd sees the error on the underlying component, and has no 
choice but to punt on the transfer.  It's sort of like the equivalent of 
a SCSI disk driver seeing a large chunk of bad sectors.

 > May 13 10:46:11 news /netbsd: sd1: not queuedccd0: error 5 on component 0
 > May 13 10:46:12 news last message repeated 25 times
 > 
 > What's wrong?  I'm running a 960413 kernel/binaries on a 486 with 64 MB
 > RAM.
 > 
 > Thanks in advance,

What kind of hardware are you using; i.e. disk controller and disks...I 
notice that these are all on sd1 ... maybe a disk is flaking out?

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