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Old 03-29-2004, 03:22 PM   #1
Vid
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Registered: Jan 2004
Distribution: Debian, FedoraC1, Slack 9.1, MDK 9.2/10.0
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Fedora and Mandrake 10 cd-rom drive issues?


so ive spent a considerable ammount of time on mandrake 9, 10 and Fedora core 1. and ive noticed that with MDK10 and FC1 the CD rom drives will act up regulary and alot of times just go completlely dead after they have been sitting for awhile. Its not as bad with mandrake 9.2 but still a problem.

The other thing that I noticed with MDK10 and FC1 is that the cdrom icons will only show up on the desktop after you put a cd in and it is detected. but this feature seems to be very shakey on both distros because after the drives stall out it seems you can put any number of CDs in the cdrom drive and nothing will happen, and no icons appear. and at this point even if you manually try to open the drive through /mnt/cdrom or /mnt/cdrom2 you will get a blank folder window even if the CD is packed with content.

now im not exactly sure how the mounting works with MDK and FC1 but is there a way i can get around this problem so that even if my box has been powered on for several days, and can still pop in a CD and it will actually detect it and read it and not sit around and stall as if i never even put the cd in to begin with???
 
Old 03-31-2004, 06:50 AM   #2
motub
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Registered: Sep 2003
Location: The Netherlands
Distribution: Gentoo (main); SuSE 9.3 (fallback)
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Do you have ACPI installed? Is this a laptop? If not, perhaps ACPI is powering down your peripherals after a certain period, which you presumably do not want. So you might want to look into turning it off (you should be able to stop the daemon and prevent it starting on boot via the Mandrake Control Center... don't know how you'd do it in Fedora, sorry).

Most likely the CD-ROM drives in Mandrake at least are using either Supermount or MagicDev (which I know was supposed to replace Supermount in 10.0). I have never used MagicDev, but I usually find that it works better to just use auto in /etc/fstab than Supermount at least, so the same may be true for MagicDev. Could you post the relevant lines of /etc/fstab?

It's possible that if ACPI was the problem, it will clear up once that's off, but in any case, using the right-click eject function (so that the OS recognizes that the contents are about to change), and then reinserting the previous CD or an new one will often clear up the file manager problem (you may have to refrest the view). You could also manually remount the drive as a workaround, because it appears that what has happened is that the drive has "half-unmounted" (meaning that the drive has unmounted, but the last known status are saved and displayed. So when you change CDs, nothing changes because the drive is not actually mounted) when the power-down occurs (if that's what's actually happening). One of the many reasons that this supermount technology remains fairly irritating, instead of useful as one expects.

Hope this helps.

Last edited by motub; 03-31-2004 at 06:52 AM.
 
  


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