Jason Thorpe said:
> There's not really enough information here to even start debugging this.

It's all the information I have.

> Firstly, does the kernel print anything on the console when the error 
> occurs?

You consider me stupid, don't you? If there were any output I would have
send it to you.

> Maybe you could compile a kernel with SCSIDEBUG and get more 
> information?

No result.

> There are a number of places where st.c returns EIO to the user.
> Maybe you could put some printfs in those places and tell us which 
> one of those places is setting EIO?

I tried this, too. But no result, too.

If you have any other idea who to locate the problem tell me.

> SCSI tape support is far from broken ...

It *IS* broken.

> I use it almost every day.

Me too. And it worked fine for me until 960215 sources.

-- 
Matthias Scheler
tron@colwyn.owl.de