Re: mfi diff to try to fix 'not queued' errors

[Marco Peereboom]

Making sure the folks who requested it see this...

On Fri, Feb 15, 2008 at 08:21:51PM -0500, Kenneth R Westerback wrote:
 The diff below makes mfi use the 'backpressure' facility in the scsi
 layer by allowing the retry of an i/o that can't be started. It
 would be interesting to see if this helps those who are seeing the
 'not queued' errors.
 
 .... Ken
 
 Index: mfi.c
 ===================================================================
 RCS file: /cvs/src/sys/dev/ic/mfi.c,v
 retrieving revision 1.79
 diff -u -p -r1.79 mfi.c
 --- mfi.c      11 Feb 2008 01:07:02 -0000      1.79
 +++ mfi.c      16 Feb 2008 01:14:12 -0000
 @@ -986,7 +986,7 @@ mfi_scsi_cmd(struct scsi_xfer *xs)
  
        if ((ccb = mfi_get_ccb(sc)) == NULL) {
                DNPRINTF(MFI_D_CMD, "%s: mfi_scsi_cmd no ccb\n", DEVNAME(sc));
 -              return (TRY_AGAIN_LATER);
 +              return (NO_CCB);
        }
  
        xs->error = XS_NOERROR;