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I have an Ubuntu Server that is now upgraded to 12.04 LTS server. Ever since I've upgraded from 10.10 to 11.04, when the kernel went from 2.6.38 to 3.0.anything, my machine would constantly randomly reboot about 2-3 minutes in.

Whether it was idle or if I did anything it would just randomly reboot.

Now if I chose the old kernel of 2.6.38 in 11.04 or 11.10 or event 12.04, it would be rock solid and have no complaints. However, if I performed any update that required a reboot, I would always test if the new kernel version would fix whatever was causing the random reboots.

Now that it upgraded to 12.04 and the 3.2 kernel, I was really hoping that all would have been resolved, but to my disappointment, it's still doing the random reboots.

However, I think that 12.04 has a new feature that is providing a clue to the root cause. I got a screen to report the error as it report that the "colord" daemon caused a crash with the SIGSEGV message.

So this is a longshot if anyone has had the same problem cause I've googled this thing for the past year to no avail. I hate to rebuild the box for the sake of rebuilding the box, since all I have to do is go back to 2.6 kernel and all works well. Appreciate any input!

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