Почему мое ядро ​​не является последним для 14.04?

Мое ядро ​​в настоящее время

Linux scv 3.13.0-34-generic #60-Ubuntu SMP Wed Aug 13 15:45:27 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Но я знаю, что это должно быть 3.13.0-45-generic #74 Почему он не обновляется по умолчанию на моем компьютере после выполнения sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade ? Есть идеи?

Приветствия!

Редактирование: выполнение ema@scv:~$ cat /etc/issue Ubuntu 14.04.2 LTS \n \l отчетов 14.04.2, по-видимому ...

Edit2: на моем другом компьютере, с более свежей установкой Ubuntu 14.04, я получил not ...

Edit3: все repos / ppa

ema@scv:~$ grep -h ^deb /etc/apt/sources.list /etc/apt/sources.list.d/* deb http://gb.archive.ubuntu.com/ubuntu/ trusty main restricted deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty main restricted deb http://gb.archive.ubuntu.com/ubuntu/ trusty-updates main restricted deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty-updates main restricted deb http://gb.archive.ubuntu.com/ubuntu/ trusty universe deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty universe deb http://gb.archive.ubuntu.com/ubuntu/ trusty-updates universe deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty-updates universe deb http://gb.archive.ubuntu.com/ubuntu/ trusty multiverse deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty multiverse deb http://gb.archive.ubuntu.com/ubuntu/ trusty-updates multiverse deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty-updates multiverse deb http://gb.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse deb-src http://gb.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu trusty-security main restricted deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted deb http://security.ubuntu.com/ubuntu trusty-security universe deb-src http://security.ubuntu.com/ubuntu trusty-security universe deb http://security.ubuntu.com/ubuntu trusty-security multiverse deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse deb http://archive.canonical.com/ubuntu trusty partner deb-src http://archive.canonical.com/ubuntu trusty partner deb http://extras.ubuntu.com/ubuntu trusty main deb-src http://extras.ubuntu.com/ubuntu trusty main deb http://ppa.launchpad.net/maarten-baert/simplescreenrecorder/ubuntu trusty main deb http://ppa.launchpad.net/maarten-baert/simplescreenrecorder/ubuntu trusty main deb http://ppa.launchpad.net/osmoma/audio-recorder/ubuntu trusty main deb http://ppa.launchpad.net/osmoma/audio-recorder/ubuntu trusty main deb http://ppa.launchpad.net/pipelight/stable/ubuntu trusty main deb http://ppa.launchpad.net/stebbins/handbrake-snapshots/ubuntu trusty main deb http://ppa.launchpad.net/stebbins/handbrake-snapshots/ubuntu trusty main deb http://ppa.launchpad.net/stefansundin/truecrypt/ubuntu trusty main deb http://ppa.launchpad.net/stefansundin/truecrypt/ubuntu trusty main deb http://ppa.launchpad.net/sunab/kdenlive-release/ubuntu trusty main deb http://ppa.launchpad.net/sunab/kdenlive-release/ubuntu trusty main deb http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu trusty main deb http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu trusty main deb http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu trusty main deb http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu trusty main