This appears to be a problem with Totem, nothing to do with the kernel.
I've managed to get DVDs playing again by installing DVD support (CSS
descrambling) as following:
sudo /usr/share/doc/libdvdread4/install-css.sh
** Changed in: linux (Ubuntu)
Status: New = Invalid
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Matshita
** Attachment added: Output of dmesg
http://launchpadlibrarian.net/38009623/dmesg.log
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Matshita drive unable to read video DVDs.
https://bugs.launchpad.net/bugs/508907
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
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** Attachment added: Output of sudo lspci -vnvn
http://launchpadlibrarian.net/38009637/lspci-vnvn.log
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Matshita drive unable to read video DVDs.
https://bugs.launchpad.net/bugs/508907
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
** Attachment added: Output of uname -a
http://launchpadlibrarian.net/38009644/uname-a.log
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Matshita drive unable to read video DVDs.
https://bugs.launchpad.net/bugs/508907
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
** Attachment added: Output of cat /proc/version_signature
http://launchpadlibrarian.net/38009649/version.log
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Matshita drive unable to read video DVDs.
https://bugs.launchpad.net/bugs/508907
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to
