The drive is internal SCA.
External port is not used. The only jumper on HDD is to disable motor 
auto-start.

The SCSI error occurs in two cases.

1. sometimes, just before or after 'RAIDframe activated' message during 
booting.

   : in this case, system endlessly displays SCSI bus reset message and
     I should power-off to recover.

2. In heavy disk load

   : today, i met three times (cvs checkout / kernel build / xfig compile).
     However, this case was harmless.

Thanks,
Sung-Won

>From: "Brian A. Seklecki" <lavalamp@spiritual-machines.org>
>Date: Tue, 2 Jul 2002 02:17:37 -0400 (EDT)
>
>
>...how's the drive cabled to the fas? internal SCA? a lot of things can
>cause a scsi bus to reset, the most obvious being cabling/wiring problems.
>
>so when did it start?
>
>-lava
>
>On Tue, 2 Jul 2002 @ 12:05am (+0900), Sung-Won Chung wrote:
>
>SC> Hi,
>SC>
>SC> During netbsd souce using cvs. I met strange SCSI error in Ultra 1 
>170E.
>SC> Fortunately, Ultra 1 seemed to work in spite of this SCSI error.
>SC> I would appreciate if anyone let me know the meaning of this error 
>message.
>SC>
>SC> The SCSI error message is
>SC>
>SC>   esp0:
>SC> 
>error:csr=b2930a13<INT,ERR,DRAINING=0,IEN,ENDMA,DSBL_SCSI_DRN,BURST=0,TCI
>SC>   esp0: DMA error; resetting
>SC>   esp0: SCSI bus reset
>SC>
>SC> Info. from dmesg about SCSI HDD is,
>SC>
>SC>   sd0 at scsibus0 target 0 lun 0: <SEAGATE, ST318406LC, 010A> SCSI3 
>0/direct
>SC> fixed
>SC>   sd0: 17501 MB, 26302 cyl, 2 head, 681 sec, 512 bytes/sect x 35843670
>SC> sectors
>SC>   sd0: sync (100.0ns offset 15), 16-bit (20.000MB/s) transfers, tagged
>SC> queueing
>SC>
>SC> Info. from dmesg about SCSI controller is,
>SC>
>SC>   esp0 at sbus0 slot 14 offset 0x8800000 vector 20 ipl 3: dma rev fas
>SC>   : FAS366/HME, 40MHz, SCSI ID 7
>SC>
>SC> I used 20020526-1.6A snapshot.
>SC>
>SC> Best,
>SC> Sung-Won




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