SMP system not running SMP

Jung-uk Kim jkim at
Fri Jun 30 19:00:21 UTC 2006

On Friday 30 June 2006 02:23 pm, Peter Seebach wrote:
> In message <E1FwNJV-000Ap2-CD at>, Pete
> French writes
> >acd0: setting PIO4 on 8111 chip
> >acd0: setting UDMA66 on 8111 chip
> >acd0: <PLEXTOR DVDR PX-716A/1.09> DVDR drive at ata0 as master
> >acd0: read 6890KB/s (6890KB/s) write 8268KB/s (8268KB/s), 8192KB
> > buffer, UDMA66 acd0: Reads: CDR, CDRW, CDDA stream, DVDROM, DVDR,
> > packet acd0: Writes: CDR, CDRW, DVDR, test write, burnproof
> >acd0: Audio: play, 256 volume levels
> >acd0: Mechanism: ejectable tray, unlocked
> >acd0: Medium: no/blank disc
> >Waiting 5 seconds for SCSI devices to settle
> The only significant difference is, on my system, "Waiting 5
> seconds" comes BEFORE the acd0 messages.
> (Actually, I get some weird sequencer errors from ahd0, but they're
> much earlier and seem to get corrected.  And, since you don't have
> them, they aren't what's causing the problem.)

I had weird issues with floppy drive recently.  For certain platforms, 
it hangs at the same point.  Try disabling floppy controller from 
BIOS if you don't need it.  If the BIOS doesn't have the option, try 
removing 'device fdc' from kernel configuration.

Jung-uk Kim

More information about the freebsd-amd64 mailing list