Re: [PARPORT] problem with freecom cd-rw traveller

From: Robert Heller (heller@deepsoft.com)
Date: Sat Apr 19 2003 - 11:03:35 EDT

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      "vincent blondel" <vincent.blondel@chello.be>,
      In a message on Sat, 19 Apr 2003 16:24:01 +0200, wrote :

    "b> I use the same CD-ROM on both CD drives ( CD-ROM and CD-RW ) on the same
    "b> machine and I don't have problems with them on Win2K. I can browse the cd
    "b> with both drives.

    Under MS-Windows, do you notice *any* differences? Is the CD-RW slower?
    Does the access light blink more often? Are there fits and starts when
    transfering files?

    "b> but I just can browse my cd with CD-ROM on linux. When I try it with CD-RW ,
    "b> my system completely freezes and I just can push on reset button.

    This is strange....

    "b>
    "b> So, I just can say, CD-ROM is not broken and I don't think there is
    "b> something really strange about that
    "b> CD-RW drive.

    I have known of at least two cases where MS-Windows failed to notice
    'broken' hardware and continued as if nothing was wrong. In *both*
    cases, Linux noticed the 'broken' hardware and refused to work with it.
    It *is* possible that the CD-RW is in fact flacking out and the
    MS-Windows is not noticing that there are problems. It is possible that
    your CD-RW drive has developed a *marginal* problem. Could be simply
    that the laser head is 'dirty' or something like that. MS-Windows is
    somehow not dealing with the errors as 'fatal', where Linux is.

    It is also possible that there really is something non-standard with the
    CD-RW's hardware interface that requires some sort of 'special'
    (non-standard) driver.

    "b>
    "b> Vincent
    "b>
    "b> ----- Original Message -----
    "b> From: "Robert Heller" <heller@deepsoft.com>
    "b> Newsgroups: Email
    "b> To: <linux-parport@torque.net>
    "b> Sent: Saturday, April 19, 2003 1:19 PM
    "b> Subject: Re: [PARPORT] problem with freecom cd-rw traveller
    "b>
    "b>
    "b> > "vincent blondel" <vincent.blondel@chello.be>,
    "b> > In a message on Sat, 19 Apr 2003 09:56:40 +0200, wrote :
    "b> >
    "b> > "b> Sorry but it doesn't change anything
    "b> > "b>
    "b> > "b> I receive following message :
    "b> > "b>
    "b> > "b> mount: wrong fs type, bad option, bad superblock on /dev/pcd0,
    "b> > "b> or too many mounted file systems
    "b> > "b>
    "b> > "b> Any idea ???
    "b> >
    "b> > Does the CD mount OK in a regular CD-ROM drive?
    "b> >
    "b> > If so, it could something really simple: the CD-RW is dirty or just
    "b> > plain broken. Or else there is something really strange about that
    "b> > CD-RW drive.
    "b> >
    "b> > "b>
    "b> > "b> ----- Original Message -----
    "b> > "b> From: "Robert Heller" <heller@deepsoft.com>
    "b> > "b> To: <linux-parport@torque.net>
    "b> > "b> Sent: Friday, April 18, 2003 4:28 PM
    "b> > "b> Subject: Re: [PARPORT] problem with freecom cd-rw traveller
    "b> > "b>
    "b> > "b>
    "b> > "b> >
    "b> > "b> >
    "b> > "b> > In message <3EA00162.7040807@earthlink.net>, James Mckenzie writes:
    "b> > "b> > >
    "b> > "b> > >
    "b> > "b> > >vincent blondel wrote:
    "b> > "b> > >
    "b> > "b> > >>Hi all,
    "b> > "b> > >>
    "b> > "b> > >>I got two freecom traveller one CD and one CD-RW but I have some
    "b> > "b> troubles
    "b> > "b> > >>with CD-RW.
    "b> > "b> > >>
    "b> > "b> > >>With following statements, it works perfectly on CD but
    "b> compeletely
    "b> > "b> freezes
    "b> > "b> > >>my machine with CD-RW.
    "b> > "b> > >>
    "b> > "b> > >>insmod paride
    "b> > "b> > >>insmod friq
    "b> > "b> > >>insmod frpw
    "b> > "b> > >>insmod pcd
    "b> > "b> > >>mount /dev/pcd0 /mnt
    "b> > "b> > >>
    "b> > "b> > >>
    "b> > "b> > >Shouldn't this be:
    "b> > "b> > >
    "b> > "b> > >mount /dev/pcd0 /mnt/cdrom
    "b> > "b> > >?
    "b> > "b> > >I don't think that you should mount any device to /mnt
    "b> > "b> >
    "b> > "b> > There is no *technical* reason not to mount a device under ANY
    "b> > "b> > directory that is not already a mount point. It may not be a good
    "b> idea
    "b> > "b> > too, but you can still do it (assuming you nave the proper privs).
    "b> > "b> >
    "b> > "b> > Also, Linux normally treats CD-Rs and CD-RWs just like CD-ROMs, at
    "b> least
    "b> > "b> > as far as mounting them in concerned.
    "b> > "b> >
    "b> > "b> > OH, it would probably help if you specified a file system to use and
    "b> > "b> > turning on diags. might help find the problem:
    "b> > "b> >
    "b> > "b> > mount -v -r -t iso9660 /dev/pcd0 /mnt
    "b> > "b> >
    "b> > "b> > >
    "b> > "b> > >
    "b> > "b> > >>My parallel port isconfigured as EPP 1.7 in the BIOS.
    "b> > "b> > >>
    "b> > "b> > >>Has somebody an idea for me to solve this problem ???
    "b> > "b> > >>
    "b> > "b> > >>Thanks,
    "b> > "b> > >>Vincent
    "b> > "b> > >>
    "b> > "b> > >>
    "b> > "b> > >>
    "b> > "b> > >
    "b> > "b> > >
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                                         \/
    Robert Heller ||InterNet: heller@cs.umass.edu
    http://vis-www.cs.umass.edu/~heller || heller@deepsoft.com
    http://www.deepsoft.com /\FidoNet: 1:321/153

                                                                                                        

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