Re: more information on my trouble reading CDROM's with hdc=ide-cd. Anybody else?

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Now we are talking!

Rebooted with ide-cd and put in a cdrom and that irq timeout crapola started spewing.

But then I realized I needed to try to stop the "automounter" or whatever that hal thing is. So I pushed the eject button and waited for error messages to clear, then topped haldaemon. And then

SUCCESS! with:

mount -t iso9660 /dev/cdrom /mnt/cdrom

That worked with a CDR I wrote.

I was suspicious that this reallly fixed it, then unmounted and tried

mount /dev/cdrom /mnt/cdrom

And those irq timeout errors happened again.

What next? Can I configure the hal or udev to get this right?

I don't really see what haldaemon does for me anyway. I suppose it would mount a usb stick if I put it in? (don't have one, though). When I first installed FC3, the dos partitions and unused fc3 partitions were listed as /media/idedisk1, /media/idedisk2, and so forth. But those disappeared, I have no idea why...

pj

Alan Cox wrote:
On Wed, Nov 17, 2004 at 04:12:38PM -0600, Paul Johnson wrote:

option or with hdc=ide-cd, I CAN mount cdrom's printed at the factory (Microsoft, for example), but cannot mount CDRs that I write. I found at least one bug reporter who contended that the way Fedora core 2 writes the "last part" of a CDR is not managed well by the ide-cd module. On the other hand, ide-scsi can mount either kind of disk.


Wonderful, I think you've made the little lightbulb come on.  It had been
baffling me why this affects iso mounting and I suddenely have an idea.

Can you try ide-cd and do

	mount -t iso9660 ....

with a CD-R and see if that works


Here's what I don't understand: If there is some bug in CD reading, why doesn't it affect all Linux systems. Why just a few of us?


Some drives told to read over the end of the true media appear to report
no error and compensate in firmare, somne appear to throw errors at the
kernel in protest. Both behaviours are legal for the drive.



--
Paul E. Johnson                       email: pauljohn@xxxxxx
Dept. of Political Science            http://lark.cc.ku.edu/~pauljohn
1541 Lilac Lane, Rm 504
University of Kansas                  Office: (785) 864-9086
Lawrence, Kansas 66044-3177           FAX: (785) 864-5700


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