[Bug 12104] K3b starts writing CD but exits with error

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Ubuntu | cdrecord





------- Additional Comments From chandra at ee.uwa.edu.au  2005-07-23 15:12 UTC -------
(In reply to comment #5)

> 1. I had no processor-intensive tasks running.  No specific user
> applications; not even Firefox and Thunderbird.  I only had KDE, the
> KDE panel, and two consoles running. I can send a PNG of what I got with
> "top" just before I invoked CD.  [BTW, how do I attach PNGs to this bug
> site?]
> 
> 2. The CD writer had its maximum write speed of 48X enabled.
> 
> 3. The CD was a 48X Verbatim super azo DataLifePlus CD-R.
> 
> 4. AFAIK, both writer and Cd were capable of 48X writing; K3b mode for
> write speed was "auto".
> 
> 5. I was copying 488 MBytes of data when the process slowed down after
> 51 MBytes.
> 
> 6. The speed shown during the write process was about 20X to 21X.
> 
> 7. After a while, the CD was ejected with a failure.
> 
> 8. The bug report is copied below:

I repeated the CD copying under the same conditions (tasks, CD-R, etc.), 
but only this time with a speed manually set to 12X.

The operation was a success.

Therefore, not only can I replicate the problem, I can also replicate the 
solution by simply forcing K3b to use 12X as the maximum write speed.

I still think something needs to be fixed, though.


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