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[Bug 1309578] [NEW] Ubuntu 14.04 suddenly reboots when booting from Live USB (AMD APU's)


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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 :

I hope this gets fixed soon or with the 14.04.1 upcoming July release.

** Affects: linux (Ubuntu)
     Importance: High
         Status: Incomplete

** Tags: 14.04 bot-comment installation reboot
Ubuntu 14.04 suddenly reboots when booting from Live USB (AMD APU's)
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