I have got the same problem
Kubuntu 10.10
K3b version=2.0.1
kde version =4.6.1
The files to be burned contains long file names, i tried with and with
disabling joliet extensions, but get the same error.
I am attaching k3b log.
** Attachment added: "k3b log.txt"
https://bugs.launchpad.net/ub
** Also affects: k3b (Debian)
Importance: Undecided
Status: New
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K3B: "Could not determine size of resulting image file"
https://bugs.launchpad.net/bugs/307268
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