Hello There,
> I just thought I would mention something that I noticed recently. I have
> a Intel based 64 bit P4 computer here that came with Win8. Some months
> ago I installed Ubuntu v16.10 64b on it. The install completed without
> any problems or issues. But I would randomly experience complete system
> lockups even with system sitting idle. In testing I found that Ubuntu
> v15.10 seemed to run fine on the same PC. This time with v16.10 installed
> I decided to upgrade the kernel to v4.5.0. Since the kernel upgrade I 
> haven't noticed any lockups or other odd behavior. This is a spare PC 
> that I pretty much use for testing. I have three other PC's that all run
> Ubuntu v16.04 without any problems. They are all AMD 64 bit 8-10 core 
> based PC's.

A second thing that seems to have helped is that using Ubuntu with a Intel
based PC I edited the Grub config file and changed the line:

From: GRUB_CMDLINE_LINUX="quiet splash"

To: GRUB_CMDLINE_LINUX="quiet splash intel_idle.max_cstate=1"

Then updated GRUB and then rebooted.

So far the PC hasn't crashed or locked up once since the update. Fortunately,
this isn't a critical PC so I can test different things out.


Jeff




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