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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nntp.coast.net!sgigate.sgi.com!spool.mu.edu!howland.reston.ans.net!newsfeed.internetmci.com!swrinde!cs.utexas.edu!geraldo.cc.utexas.edu!piglet.cc.utexas.edu!not-for-mail From: nichols@ccwf.cc.utexas.edu (Stewart Nichols) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: 4mm DAT will TAR, but not DUMP. Date: 28 Jun 1996 14:54:21 -0500 Organization: The University of Texas at Austin Lines: 26 Message-ID: <4r1d9d$iqs@piglet.cc.utexas.edu> References: <4r0tj2$e39@piglet.cc.utexas.edu> <4r0ghi$7vg@jupiter.dnai.com> NNTP-Posting-Host: piglet.cc.utexas.edu In article <4r0ghi$7vg@jupiter.dnai.com>, Karl Wiebe <karl@dnai.com> wrote: >I would try to isolate the problem to what SCSI command sequences/ioctls >trigger your machine hang. BTW, what kernel is this? Oops, sorry. 2.1.0-RELEASE. > Do you have the SCSI_DEBUG option compiled in? No. What options do I add, and are there any gotchas involved? Once I have the new kernel (I have done kernel builds many times), do I need to do any special thing to turn it SCSI_DEBUG on and off? CAN it be turned on and off? Where do the messages go, to "messages"? >One place to look at are the mode pages. See scsi(8). Compare the Exabyte >to your other DAT drive. Also, I assume you have h/w docs for your EXB-4200? >You may end up having to change some jumper settings. I don't understand what "mode pages" means here. I have looked at the scsi(8) man pages, and I don't know what I need to do with it. The man pages for scsi(8) are apparently geared more towards reminding someone how to use it then instructing someone how to use it. If you can give me the syntax to use I will try the commands. stu