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Newsgroups: comp.unix.bsd.freebsd.misc Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.hawaii.edu!news.uoregon.edu!vixen.cso.uiuc.edu!newsfeed.internetmci.com!docws001!ottnews!tomqnx.tomqnx.com!tom From: tom@tomqnx.tomqnx.com (Tom Torrance at home) Subject: Re: atapi cdrom problems X-Nntp-Posting-Host: 159.249.8.221 Message-ID: <Dv4qro.77I@ottnews.shl.com> Sender: usenet@ottnews.shl.com (News Administrator) Organization: SHL Systemhouse Inc. (Ottawa) X-Newsreader: TIN [version 1.2 PL2] References: <31F7F194.87C@iaehv.nl> Date: Fri, 26 Jul 1996 02:54:59 GMT Lines: 50 I occasionally have the problem that you mentioned with the controller not being recognised. There is no device wcd0. do a 'MAKEDEV wcd0'. This will create wcd0a and wcd0c. Use wcd0c in your mount command. Rob van Vliet (rvv@iaehv.nl) wrote: : I have a 6x speed atapi cd-rom, of which i don't have much : documentation. It identifies itself as "Stingray". It is jumpered as : master on the second IDE controller, with no other drives on the : controller. The first ide controller (wdc0) has two IDE drives attached : to it. : I recompiled the kernel refelecting the above configuration, however, at : startup the kernel does, while probing for the second IDE controller : (wdc1), not recognize it, and says "wdc1: not found at etc...". : I tried everything, but it wouldn't work. So I installed 2.1.5-RELEASE, : which is supposed to be better at recognizing ATAPI cd-roms. No good. : I ended up hacking wd.c in the kernel source, making it not probe for : the wdc1 controller, but just assume that it is there. This works... for : a while. At least the cdrom gets recognized as wcd0.. : Now I can mount wcd0: when I mount it, you can hear the cd starting to : turn, and I can read from it. However, after some time, say one minute, : the CD stops turning, and from that moment on I cannot read any longer : from the CD. Operations like ls return "ls: input/output error" or : something similar. Sometimes I can umount the CD and then mount it : again, however on other occasions the system replies "wdc1: controller : not ready/busy" (again: or something similar), and eventually crashes. : Yes, : the system reboots. : It all seems to have something to do with the physical turning of the CD : inside the drive. Mount starts this, but other fileoperations don't. : If you have any solutions to this I will consider you a read ATAPI : genius, which I hope you are :) : Please email me or post here if you have any ideas (or think you have, : but : want more info). : Rob : -- : ------------------------------------------------------------- : Rob van Vliet E-Mail: rvv@IAEhv.nl : -------------------------------------------------------------