Re: Cdu31a cdaudio playing is broken ?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 20 Mar 1998 22:31:36 +0000 (GMT)


> a used computer store for $20US (too much), and I just got it into my
> machine the other day. All I have done with it so far is to install
> the thing in my box and mount a CD (which worked just fine with kernel
> 2.1.90). So, now that I have an sbpcd drive, exactly what are the
> problems with sbpcd?

Try playing music cds and then mounting stuff and vice versa a few times.
Eventually it seems to forget you can have data CDs. There are a lot of
hangs. Most I can sort of rig in 2.0 - uniform driver has made them occur
more but I dont see why. ( The bugs are obvious - the code is full of
loops that dont time out on error and random timeouts when you feed
it dud CD's - WinNT CD's that have been sandpapered are good for testing)

Im happy to help test stuff for you - I've got a CDR532 and a newer drive
on a authentic SB16 and a MAD16 SB interface clone I can use too.

> BTW, anybody know where one would look to find docs on sbpcd compatable
> drives?

I looked for info and failed. Fortunately the existing code while horrible
code is quite well documented and easy to follow

Alan

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