I don't know how to find debugging info. I understood that in order apport tio generate a bug report, it shoult intercept the crash. But my computer freeze, i.e. even the kernel doesn't answer, so I think I have no report generated.
I did some tests, that make me think that the problem in not in thunderbird but in a library used to encode files : - I enconter the same freeze when I send the files that make my computer freeze with my webmail using firefox. - I thought it could then be a problem with my filesystem, then I sent the same file saved on an USB key : * same freeze while using my computer * no problem when using my webmail on a computer running Windows my key is FAT32, and my files (PDFs) seem not corrupted because I can open them, and I can send them unerd Windows. I hope this infos will help you and I wold be happy to answer any question. I include a file that make Thunderbird crash. - I tryed ** Attachment added: "File that causes the problem" http://librarian.launchpad.net/6077667/petition.pdf -- Thunderbird freezes the computer when sending big messages https://launchpad.net/bugs/81115 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs