CDROM question

[Bruce Dawson]

On Mon, 2004-08-09 at 16:59, Cole Tuininga wrote:
> On Mon, 2004-08-09 at 16:28, Bruce Dawson wrote:
> > If /proc/ide/hdb/capacity contains a non-zero number, then there's a CD
> > in the drive. (Assuming you have a cd drive at /dev/hdb). This appears
> > to work for both audio and data cdroms.
> 
> Interesting trick, but it seems to react differently on my system.

I'm using kernels 2.4.20-27.7 and  2.4.20-31.9. What kernel you?

> With no media in the drive:
> 
> trogdor:/proc/ide/ide1/hdc# cat capacity
> 2147483647

Hmmm. That seems to be -1 modulo 2^31. Odd. I think you discovered a bug
somewhere. Or someone changed how error handling works.

> I have hdc available through the ide-scsi module - would that make a
> difference?

Possibly, but your observed behavior would still indicate a bug
somewhere.

--Bruce
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