[Bug 526774] Re: kernel trace and misbehaviour when mapping pktcdvd devices

[sergio.callegari]

I finally managed testing on Lucid:

1) After pktsetup the cd/dvd writer door remains locked (can be opened
only for a fraction of a second)

2) Packed writing seems not to work anyway (I have duly followed the instructions in the udftools readme and they do not succeed). Specifically, on a dvd-rw (minus rw):
- the initial dvd+rw-format on the physical device works
- the growisofs on the physical device already gives an error at the very end (at times after trying to write past 100%)
- the mkudffs on the packet writing device always fails (and for different reasons: fs is read only or cannot find block device)

So, I would suggest removing entirely the packet writing driver from the
ubuntu kernel, since it is broken anyway, as indicated by pirx67. Having
it built into the kernel makes it hard to try patched versions.

Also, please report upstream that later kernels have regressions on
packet writing, so that probably also upstream should consider updating
the driver or removing it completely from mainline kernel.

-- 
kernel trace and misbehaviour when mapping pktcdvd devices
https://bugs.launchpad.net/bugs/526774
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