Re: [PATCH] 2.4.20 drivers/cdrom/cdu31a.c

[Corey Minyard]

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Mauricio Martinez wrote:

|Thanks for your reply. I guess there are still some drives like this
|floating around. I can live without it, but it is good to use it in an old
|486 as a jukebox and print server :)
|
|Your patch makes much more sense that mine (I have no experience in Linux
|driver development), and it makes the drive work *very well* (excellent
|transfer rate and no system overload), but only if I remove the last hunk.
|
|This last hunk tries to read again the data with 4 sectors less each time
|(i.e. 16,14,12,...,4) which *i think* overloads the buffer leading to an
|oops (and even a system reboot without warning!).
|
|Hope this information helps.

That's really wierd.  Can you make the code in question be:
~            } else if (nblock > 0) {
~                printk("Number of blocks left: %d\n", nblock);
~                end_request(1);
~            } else {

and then send the results when it happens?

It turns out my machine does not have an ISA bus slot, so I can't plug 
my drive in anywhere.

Thanks,

- -Corey
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