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RE: SCSI Errors with 2940U2W gone with Mandrake 7.1

daemon@ATHENA.MIT.EDU (John J. LeMay Jr.)
Tue Jun 20 10:34:32 2000

From: "John J. LeMay Jr." <jlemay@njmc.com>
To: "Elvis Amaro" <elvis@acs-australia.com.au>
Cc: <expert@linux-mandrake.com>, <linux-scsi@vger.rutgers.edu>
Date:	Mon, 19 Jun 2000 18:22:19 -0400
Message-ID: <NEBBIMPCMLFCHNAKKJEAAEANCAAA.jlemay@njmc.com>
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In-Reply-To: <01BFD9F4.7E40B240.elvis@acs-australia.com.au>

Elvis,

Re-read my note and you will see the solution was to use a newer SCSI
driver. For installation, that means a distro with a newer kernel. Mandrake
7.1 uses 2.2.15, and Mandrake 7.0 used 2.2.14. Since 7.1 worked, I'd guess
you need a distro with kernel > 2.2.14.

-----Original Message-----
From: Elvis Amaro [mailto:elvis@acs-australia.com.au]
Sent: Sunday, June 18, 2000 11:44 PM
To: 'John J. LeMay Jr.'
Subject: RE: SCSI Errors with 2940U2W gone with Mandrake 7.1


Hi John,

I am having the same problem with Redhat Linux 6.0. If you happen to find a
solution, could you please e-mail the details.

Thanks

Elvis Amaro

----------
From:  John J. LeMay Jr. [SMTP:jlemay@njmc.com]
Sent:  Monday, 19 June 2000 12:44
To:  linux-scsi@vger.rutgers.edu
Subject:  SCSI Errors with 2940U2W gone with Mandrake 7.1

For weeks I have been plagued with errors when trying to install Linux on my
new machine with it's Adaptec 2940U2W and Seagate LVD drives. Previously I
would
receive errors such as:

SCSI bus is being reset for host 0 channel 0

and

SCSI host 0 ch 0 reset pid 0 timed out - trying harder

and

aborting command due to timeout: pid 0 scsi 0 channel 0 id 0 lun 0 0x00 00
00
00 00 00

and

host 0 abort (pid 0) timed out - resetting

This would appear to loop indefinitely (I did not wait "indefinitely" to
find
out!). Unfortunately, no one seemed able to determine the actual problem.
Besides installing 7.1, I had also:

* Installed an active terminator on the end of the SCSI chain, LVD side.

* Set terminiation to "auto" on the adapter, both Ultra and Ultra2 sides.

* Enabled "term power to SCSI chain" on BOTH of the LVD drives I had
installed.

* Enabled termination on the CDROM residing on the Narrow/Ultra side.

I hope this message makes it to anyone else having this same problem!

John LeMay Jr.
Senior Enterprise Consultant
NJMC, LLC.

Mandrake Linux 7.0 (2.2.14)  /  Polarbar Mailer 1.16c
JDK 1.1.8 IBM build l118-20000515

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