Date: Thu, 20 May 1999 08:02:40 -0700 (PDT) From: bluepatch@hotmail.com To: freebsd-gnats-submit@freebsd.org Subject: misc/11800: Problem with scsi AHA2940 and sony SDT-2000 tape Message-ID: <19990520150240.B3529152C9@hub.freebsd.org>
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>Number: 11800 >Category: misc >Synopsis: Problem with scsi AHA2940 and sony SDT-2000 tape >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu May 20 08:10:00 PDT 1999 >Closed-Date: >Last-Modified: >Originator: Francis M. >Release: 3.X-RELEASE >Organization: none >Environment: sorry. It's a standard Release with the default kernel (just installed) on a AMD K6 II 400 with 128Mb of RAM >Description: I have an adaptec 2940 (with the latest BIOS) and 2 PCs : an AMD K6 II 400MHz with 128Mb of RAM and an old one : 486 DX4 100MHz with 16Mb of RAM (with have 3 PCI ports). I install a standard 3.X-RELEASE on both (I tested with 2.X releases and it was difficult to make it work, so won't speak about it). 1) I put the Adaptec ont the 486 freshly installed (3.0 or 3.1 or 3.2) with a tape connected : a Sony SDT-2000 DAT tape (with or without terminator). => it works, I can make full backups of my disks. 2) I have windows 98 on the K6 II, I use the tape (via the 2940) and it works perfectly (with windows backup). 3) (here is the point) I install FreeBSD 3.X-RELEASE, all hardware is recognized (like on the 486) but when I do something like "mt rewind" or "cat /dev/rsa0 > /dev/null" or " tar cvf /dev/rsa0 /usr/local" : the tape starts, reads some bytes and then (after about 5 or 10 seconds) stops and I have problems reported on my screen : "Timeout ...". I am sure that both the SCSI card and the DAT tape work fine (because they do the job under windows 98). I tested all options of the 2940's BIOS (like initiate wide negociation, transfer speed, sunc transfer, etc.) but it's always the same... It works on my 486 DX4 100MHz but ont on my K6 II 400MHz (!). >How-To-Repeat: use the tape... >Fix: First I'd like to understand the difference beween these machines.... I can give you more info if you want, but it is apparently an SCSI problem wich occurs when communicating with the tape. I've heard that you changed the SCSI driver in 3.2 but it's really the same for me... Thanks in advance. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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