Re: PR #40571 - NetBSD Atari install fails to prepare 16GB MTRON SSD on ACARD SCSI to IDE bridge

"David Ross" <[email protected]> Sat, 7 Feb 2009 23:11:10 -0800
Newsgroups gmane.os.netbsd.ports.atari
Message-ID <[email protected]>
Small correction...  I _formatted_ the MTRON/ACARD combo using my Adaptec 
SCSI controller BIOS.  (As in, I didn't actually attempt to _zero_ it.) 
Same goes for where I talk about zero'ing the Seagate.

----- Original Message ----- 
From: "David Ross" <[email protected]>
To: "David Brownlee" <[email protected]>
Cc: <[email protected]>
Sent: Saturday, February 07, 2009 11:00 PM
Subject: Re: PR #40571 - NetBSD Atari install fails to prepare 16GB MTRON 
SSD on ACARD SCSI to IDE bridge


>>  Are you able to complete exactly the same procedure (zero
>>  out and then install without AHDI) on a normal SCSI disk?
> Well...  It's been a long time since I zero'd my Seagate.  Other than 
> that, yes.  If the detail in this mail doesn't help, I'll try zero'ing the 
> Seagate first and then doing an install.  At minimum I've done this with 
> NetBSD 1.6.1 and it worked, but I can't say that's the case for 5 yet.
>
> I re-zero'd the MTRON/ACARD combo (in my Adaptec SCSI controller BIOS, 
> same as before).  Then I booted up NetBSD 5 (200902030000Z).  Here's the 
> relevant portion of the dmesg:
> http://i44.tinypic.com/ac5yl3.jpg
>
> Here's the sd0 (Seagate) disklabel.  (This drive had not been zero'd)
> http://i39.tinypic.com/2uo57kl.jpg
>
> Here's the first part of the MTRON/ACARD disklabel:
> http://i42.tinypic.com/2lc4sgw.jpg
> ...and the second part (I did a ctrl-c because there's no 'more' on 
> sysinst):
> http://i39.tinypic.com/9r0en9.jpg
>
> So even though I zero'd the drive, the disklabel is wacky.  When I did the 
> zero'ing operation it completed super fast (a few seconds).  My assumption 
> was because the device is a solid state drive.  But I can imagine it's 
> possible that the ACARD's implementation of the SCSI zero'ing command is 
> "cheating" and not fully overwriting the disk with zeros.
>
> David Ross
> [email protected]
>
>
> ----- Original Message ----- 
> From: "David Brownlee" <[email protected]>
> To: "David Ross" <[email protected]>
> Cc: <[email protected]>
> Sent: Saturday, February 07, 2009 1:17 PM
> Subject: Re: PR #40571 - NetBSD Atari install fails to prepare 16GB MTRON 
> SSD on ACARD SCSI to IDE bridge
>
>
>> On Fri, 6 Feb 2009, David Ross wrote:
>>
>>> Not a blocker for me but worth filing a PR anyway.  I just got around to 
>>> trying an install on a different HD and hit this issue.
>>>
>>> http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=40571
>>
>>  Are you able to complete exactly the same procedure (zero
>>  out and then install without AHDI) on a normal SCSI disk?
>>
>>  Assuming so, could you boot NetBSD normally and copy out the dmesg
>>  and disklabel entries from both disks when they are attached as
>>  additional drives (at the same time or separately).
>>
>>  It *could* be the ACARD daptor reporting a strange value which
>>  NetBSD is not handling well...
>>
>> -- 
>>  David/absolute       -- www.NetBSD.org: No hype required --
>>
>