Re: Sony CDU33a+kernel>2.1.22=system hangs totally

Michael Driscoll (
Thu, 13 Feb 1997 13:06:40 -0800

(CC'ed to, as he seems to be the guy in charge
of the cdu31a driver, which the cdu33a uses)

>I'm experiencing following problem since kernel V2.1.23:
>Everytimes I mount a CD-Rom, the system hangs totally, no keyboard
>input, screen-switching and CTR-ALT-DEL is possible anymore. The
>only thing I can do is resetting the computer with the reset-key.
>If I step back to a kenel <2.1.23, the problem is not around. With
>kernel 2.1.22 CD-Rom operation is no problem. The Cd-Rom works without
>problems with DOS6.20 and Win311 too.
>My System configuration:
>Sony CDU33a with the Sony COR-334 ISA-Adapter,
>base Adress 340, No IRQ, DMA channel 0
>ASUS P/I-p55t2p4 Motherboard, Cyrix P150+ CPU, 64MB RAM

I also seem to have this problem. Here's my description:

mounted CD with "mount -t iso9660 /dev/cdrom /mnt"
"cd /mnt"
"ls /mnt"
(directory listed fine)
I pushed the eject button on the CD device at this point, but it did
not eject. Thinking that perhaps this was because I had not umounted,
I typed
but nothing happened. My system was locked.

My hardware:
Sony CDU33a connected to Sound Blaster 16

Generic motherboard, Pentium 60, 16MB RAM

My software:
Kernel 2.1.26
kerneld, with isofs and cdu31a as modules.
avatar@ulfheim:~# mount -V
mount: mount-2.6

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