Date: Thu, 25 Mar 1999 00:59:36 +0100 From: Stefan Esser <se@mi.uni-koeln.de> To: Oyvind Moll <oyvindmo@pvv.ntnu.no> Cc: freebsd-stable@freebsd.org, Stefan Esser <se@freebsd.org> Subject: Re: SCSI hangs/timout, ncr53C8xx, 3.1-STABLE Message-ID: <19990325005936.A439@dialup124.mi.uni-koeln.de> In-Reply-To: <dslyakmn7o1.fsf@apollo.orakel.ntnu.no>; from Oyvind Moll on Wed, Mar 24, 1999 at 06:01:34PM %2B0100 References: <dslyakmn7o1.fsf@apollo.orakel.ntnu.no>
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On 1999-03-24 18:01 +0100, Oyvind Moll <oyvindmo@pvv.ntnu.no> wrote: > I run 3.1-STABLE with kernel and world built from source cvsupped > 1999-03-04. > > My problem: I try to dump an audio-CD from a Philips CDD2600 > CD-R-drive (using tosha). Three of the about ten times that I've > tried to dump a CD, tosha would suddenly report "SCSI read/write > error" or something (sorry, forgot to write that one down) and I would > get messages like these on my console: Sorry, you do not give enough detail, but what you see might be caused by too short a timeout being specified with some SCSI command. Your best bet is to enable SCSI debugging (see option CAMDEBUG and information supplied in /sys/cam/cam_debug.h for more information. You probably want to try options "CAMDEBUG=CAM_DEBUG_INFO" in your kernel config file ... You will then be able to follow the flow of commands sent to the CD-R drive. The last command issued before the error messages appear is the one that causes the trouble. Let me know what you find. (But I'm on a 10 day vacation from Friday on, so don't expect a reply during that time ;-) Regards, STefan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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