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[945gc] FSB800 is unstable #20

Closed ghost closed 7 years ago

ghost commented 7 years ago

The ga-945gcm-s2l is very unstable with an FSB800 chip, such as the E4600. Memtest reports hundreds of errors and running stress-ng --cpu 2 --vm 2 results in many kernel oopses. Some DIMM's even crash immediately after logging in to a composited desktop (artifacts, hard lockup).

Using the same board and the same DIMM's with an FSB1066 chip, such as the E7500, everything is fine and stable for hours.

Some DIMM's do work on FSB800 without issue though. But very few do.

ghost commented 7 years ago

With recent tests, I have no longer been able to reproduce this. FSB800 is working well (Memtest86+ passes without errors) with all my DIMM's clocked at 667MHz.

It could possibly be related to https://review.coreboot.org/#/c/17981/ because most of the problems I had were GPU glitches.

Closing this for now.