Messages in this thread | | | Subject | Re: CDROM (VCD) and 2.3.15-17pre1 | Date | Sun, 5 Sep 1999 16:30:44 +0200 | From | list.kernel@iahastie ... |
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On Sun, Sep 05 1999, German Jose Gomez Garcia wrote: > Hello, > Since 2.3.15 (the first 2.3.6+ kernel I was able to boot) the CDROM > driver is giving very strange problems, it seems that trying to open a > Audio CDROM will fail, and mtv (an mpeg player) is unable to play VCD > cds. Some programs like cdtool will fail also. > Does this mean that there have been uncompatible changes to the > CDROM driver? If that is true lot of non-free applications will be > broken, and I think that this is not the correct way to do things, I > really prefer free software, but not everything may be free. Just hope the > problems with CDROM driver will get fixed before 2.4 (and also hope devfs > gets finally into the kernel before 2.4).
The CD-ROM problem is not as big as it sounds and is easily fixable (either the kernel or the programs). The problems you are seeing are caused by Uniform CD-ROM interface completely failing blocking opens on non-data CD's. Either patch the application to open the device O_NONBLOCK or load cdrom.o with check_media_type=0. I think I'll let it default to 0 again (which it did prior to 2.3.15).
-- * Jens Axboe <axboe@image.dk> * Linux CD-ROM Maintainer * http://www.kernel.dk
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