Subject: Re: What is this?
To: John Klos <john@ziaspace.com>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: port-macppc
Date: 09/29/2005 20:58:55
On Wed, Sep 28, 2005 at 09:04:32PM -0700, John Klos wrote:
> (esp0:0:0): select; 1 left in DMA buffer [intr 18, stat 91, step 4]
> (esp0:0:0): select; 1 left in DMA buffer [intr 18, stat 90, step 4]
> (esp0:0:0): select; 1 left in DMA buffer [intr 18, stat 90, step 4]
> (esp0:0:0): select; 1 left in DMA buffer [intr 18, stat 91, step 4]
> (esp0:0:0): select; 1 left in DMA buffer [intr 18, stat 91, step 4]
> (esp0:0:0): select; 1 left in DMA buffer [intr 18, stat 90, step 4]
> 
> It's on a busy, but otherwise happy macppc server running netbsd-2 with an 
> 80 MB/sec ATTO SCSI card:
> 
> esiop0 at pci0 dev 13 function 0: Symbios Logic 53c896 (ultra2-wide scsi)
> esiop0: using on-board RAM
> esiop0: interrupting at irq 23
> scsibus0 at esiop0: 16 targets, 8 luns per target
> esiop1 at pci0 dev 13 function 1: Symbios Logic 53c896 (ultra2-wide scsi)
> esiop1: using on-board RAM
> esiop1: interrupting at irq 23
> scsibus1 at esiop1: 16 targets, 8 luns per target
> 
> and
> 
> sd0 at scsibus1 target 0 lun 0: <ATA, Maxtor   6L250R0, BAH4> disk fixed
> sd0: 233 GB, 121586 cyl, 64 head, 63 sec, 512 bytes/sect x 490234752 sectors
> sd0: sync (25.00ns offset 14), 16-bit (80.000MB/s) transfers
> sd1 at scsibus1 target 1 lun 0: <ATA, Maxtor   6B250R0, BAH4> disk fixed
> sd1: 233 GB, 121586 cyl, 64 head, 63 sec, 512 bytes/sect x 490234752 sectors
> sd1: sync (25.00ns offset 14), 16-bit (80.000MB/s) transfers, tagged 
> queueing
> sd2 at scsibus1 target 2 lun 0: <ATA, HDS72252 25VLAT8, V36O> disk fixed
> sd2: 232 GB, 121130 cyl, 64 head, 63 sec, 512 bytes/sect x 488397168 sectors
> sd2: sync (25.00ns offset 14), 16-bit (80.000MB/s) transfers, tagged 
> queueing
> sd3 at scsibus1 target 3 lun 0: <ATA, Maxtor   6L250R0, BAH4> disk fixed
> sd3: 233 GB, 121586 cyl, 64 head, 63 sec, 512 bytes/sect x 490234752 sectors
> sd3: sync (25.00ns offset 14), 16-bit (80.000MB/s) transfers, tagged 
> queueing
> 
> Is this something to worry about? I can't find any references to this.

Hum, the errors messages comes from esp, and the dmesg part you show here is
only about esiop. 

BTW, I also see this message from time to time on sparc and sun3, but
it never caused me problems ...

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--