On Sat, Feb 15, 2003 at 05:15:00PM -0700, Sinuhe wrote:
> I've got several consistent errors that are constantly thrown
> into /var/log/messages that I'd like to resolve, listed below.
> I'm running a 1.6L kernel (w/ MP), and 1.6-RELEASE userland.
> 
> 1. This error happens while dialed up to the internet:
> 
> Feb 15 17:00:07 kaptah /netbsd: com0: 2 silo overflows, 0 ibuf floods

This mean the kernel didn't process the incoming data fast enouth.
What hardware is it, and what else do you have running on this box ?

> 
> 2. This one happens whenever playing a cd (from cdplay or xmcd):
> 
> Feb 15 16:54:14 kaptah /netbsd: cd0(pciide0:1:1):  Check Condition on CDB: 0x28 
> 00 00 00 00 00 00 00 01 00
> Feb 15 16:54:14 kaptah /netbsd:     SENSE KEY:  Illegal Request
> Feb 15 16:54:14 kaptah /netbsd:      ASC/ASCQ:  Illegal Mode For This Track
> Feb 15 16:54:14 kaptah /netbsd: 
> Feb 15 16:54:14 kaptah /netbsd: cd0: dos partition I/O error

This is harmless (but I admit the kernel shouldn't be so verbose in this case).
> 
> 3. This is from Dmesg relating to my Zip drive:
> 
> sd0 at scsibus0 target 5 lun 0: <IOMEGA, ZIP 250, H.41> disk removable
> sd0: could not mode sense (4/5); using fictitious geometry
> sd0: 98304 KB, 96 cyl, 64 head, 32 sec, 512 bytes/sect x 196608 sectors
> sd0: async, 8-bit transfers
> sd0: could not mode sense (4/5); using fictitious geometry
> sd0: no disk label
> sd0: could not mode sense (4/5); using fictitious geometry
> sd0: no disk label
> 
> Whenever I mount a zip disk I get the last two lines.

This is also harmless.

> 
> 4. This error comes up in my daily report (or from iostat -x):
> 
> iostat: sysctl hw.diskstats failed: Invalid argument

Do you have out of sync kernel and userland ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 23 ans d'experience feront toujours la difference
--