Continuing to Troubleshoot my Graphics Chip

The computer named ‘Phoenix’ has now been running for 6 days and 19 hours. It is approaching the point, where recently it used to crash. I have suspected that my graphics chip might be the problem, and that more specifically, this might have happened, because the graphics chip is only supposed to take 128MB of shared RAM according to the BIOS, but according to which it has been allocated 256MB, by the Linux software. It is an outdated graphics chip, which I have written about here.

Under Linux we have numerous tools that give us information about our machines, including the ‘‘ here:

phoenix_ram_2

I have already written that I cannot take the 70MB of shared RAM as an exact figure, of how much VRAM the chip is taking, which is actually system memory in this case, because there could be other processes using shared memory in some way. Yet, this is still an approximate estimate, and, since the amount being indicated is 70MB, the total amount of shared memory taken by my graphics chip, cannot be greater than 71MB.

This basically rules out one hypothesis for what might have been happening. Under normal use, the chip will not need more than 128MB.

Now, the fact that I have installed a new case fan, may or may not protect me from future crashes, since my other main hypothesis was, ‘Something could have been overheating on the motherboard.’

(Edit 02/14/2017 : )

And this is what my shared memory looked like today, 8 days and 23 hours after the latest reboot:

phoenix_ram_3

( 59+ MB – Stable )

Dirk

 

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