Re: Growisofs problem with SONY DRU 800 - Solved

[Celso Tadao Suzuki]

Hi, Andy,

Thank you for reply.
Well, I applied the patch in my kernel and compiled the modules again.
And IT WORKS !!!!!
Now I can burn any  mídia.

Thank you again

Celso Suzuki
Andy Polyakov wrote:

I tried with TDK DVD+R, LG DVD-R and MAXELL
DVD-R. In all of them I got an error message,

As it's 2.4 kernel and it logs timeout and resets the bus, there is a *possibility* for following scenario. As mentioned long time ago 2.4 kernel does not respect command timeout values passed along with ioctls deployed by growisofs. Instead, kernel sticks to hard-coded value of 30 seconds. Which is more than enough for vast majority of units, but if OPC or whatever takes longer, then you'll observe timeout and bus reset *despite* the fact that growisofs instructs the kernel to allow the command to execute for up to 2 minutes. *If* this turns to be the case, then DVD+RW kernel patch should make it work and so does 2.6 kernel. I'd recommed latter, as patch was not revised for long time...

If I use the same, not
another one, but the same midia at SONY DRU 710, it records all data.
I mean SONY DRU 800 didn't burn anything at the disc. I could burn a
MAXELL DVD-RW and PHILIPS DVD+RW with SONY DRU 800. That means it
burns only rewriteble midia, I think.

All this does not exclude yet another possibility, besides poor media support and kernel deficiency that is. Your 800 unit might be simply defective. A.

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