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From: Julian Elischer <julian@ref.tfs.com>
Message-Id: <199511140020.QAA25858@ref.tfs.com>
Subject: Re: Help! My SCSI-2 CD rom is timing out
To: jaykuri@interaccess.com (Jay Kuri)
Date: Mon, 13 Nov 1995 16:20:27 -0800 (PST)
Cc: freebsd-scsi@freebsd.org
In-Reply-To: <Pine.BSI.3.91.951113174518.4539C-100000@flowbee.interaccess.com> from "Jay Kuri" at Nov 13, 95 05:48:59 pm
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if justin is happy with the versions of the aic driver you are using
then I suggest that you build a kernel with the SCSI_DEBUG option 
(or is it  SCSIDEBUG) (check LINT I thnk) 
and thren under that kernel, set the debugging on htat device to 
15
then try access it as normal.
the resulting console output should be captured using dmesg and sent back to us..
(on the scsi list..)
see man 4 scsi
man 8 scsi
man 4 cd

for how to do this..

> 
> 
> I originally posted to freebsd questions.  Someone suggested that I post 
> it here.  Can anyone help?
> 
> I am using FreeBSD 2.0.5R and the aic scsi controller for an Adaptec 
> 2825 SCSI card. (the aic6360.c is actually from FreeBSD-stable in place 
> of the one from 2.0.5R which seems to not recognize the 2825)  Other than 
> that, the system is stock 2.0.5R.  I am using an external SCSI-2 CDRom 
> drive (Mediavision RENO model).  When booting I see the following:
> 
> FreeBSD 2.0.5-RELEASE #0: Fri Nov 10 22:19:09  1995
> [ misc deleted ]    
> aic0 at 0x140-0x15f irq 11 on isa
> aic0 waiting for scsi devices to settle
> (aic0:1:0): "MEDIAVIS RENO CD-ROMX2A 2.04" type 5 removable SCSI 2
> cd0(aic0:1:0): CD-ROM 
> cd0(aic0:1:0): UNIT ATTENTION asc:28,0
> cd0(aic0:1:0):  Not ready to ready transition, medium may have changed
> cd present.[400000 x 2048 byte records]
> npx0 on motherboard
> npx0: INT 16 interface
> 
>   My SCSI-DELAY is set to 30 seconds.  However, what I am concerned about 
> is when I try to mount a CD (an ISO-9660) using the command:
> mount_cd9660 /dev/cd0a /cd
> the CD starts to whirr, and after a few seconds I get the following message:
> 
> cd0(aic0:1:0): timed out
> 
> this repeats a few times and then (after a good minute or so, cd rom 
> still whirring) I get:
> 
> cd0(aic0:1:0): MEDIUM ERROR asc:2,0 No seek complete
> 
> Only then am I returned to a shell prompt and the cd stop whirring.  
> I've checked and rechecked termination, scsi-bus speed, etc and still am 
> getting the same thing.  The hardware seems to be working, when I (uggh) 
> boot to DOS I can mount the CDROM (same disk) and read it fine.  
> 
> I've been wrestling with the scsi subsystem in this beast for a week,  
> can anyone offer any suggestions?  
> 
> Thanks in advance,
> 
> Jay K.
>