I was also affected by this bug, it is related to some FM2 motherboards , MSI being one of them. The fix for this bug is to edit your GRUB file BEFORE you restart your system after updating. If you did a clean install from a live cd you will have to use f6 during boot and select "noapic" and if that fails try again and select"acpi=off"
You will still need to edit your grub file after boot up to make it permanent. from the terminal type; gedit /etc/default/grub The file will open in the editor. edit this line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ' to look like this; GRUB_CMDLINE_LINUX_DEFAULT="quiet splash noapic" then save and exit, you are done..., enjoy! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1309578 Title: Ubuntu 14.04 suddenly reboots when booting from Live USB AMD A8 6600k Status in “linux” package in Ubuntu: Incomplete Bug description: I have a custom built AMD System with the following hardware currently running on Linux Mint 16 : AMD A8 6600k with Integrated graphics | MSI-FM2-A55M-E33 Motherboard | Kingston Hyperx Blu 4GB RAM | Corsair VS450 PSU Today when I tried to install 14.04 amd64 iso using a bootable USB, then the system rebooted. Any further attempts in installing it resulted in the same bug. As soon as I open the "Ubuntu installer" application and click "Continue" button then the system restarts after 2-3 seconds. I asked the same on AskUbuntu and some more guys reported the same problem with AMD APU, so I believe it to be a genuine bug and not just with me. The BIOS version is the latest one downloaded from MSI official website which is version 11.5. Also an Interesting thing is that this bug is common with the latest iso of Arch Linux too, but when booting older distros like Linux Mint 16 from USB, then everything works like it should, so it might have something to do with the newer 3.13 Kernel version. I am not an expert, but I can surely tell that only the newer distros are affected by this bug as reported by some other guys at AskUbuntu and the fact that Arch which is running the newer Kernel is having the same bug, so it probably has something to do with the newer Kernel, but I could be wrong. This bug is not letting me install Ubuntu 14.04 on my hardware and it is affecting a few more users too. Here is the AskUbuntu thread : http://askubuntu.com/questions/449391/unable-to-install-ubuntu-14-04 -pc-restarts-after-i-click-continue-button-in I hope this gets fixed soon or with the 14.04.1 upcoming July release. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1309578/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
