I'm running Fedora Core 5.
I have a plain vanilla 2.8Ghz P4 Intel motherboard with 4 DIMM slots. I
currently have 1 DIMM of 512M DDR 3200 memory. I purchased a second
DIMM of the same 3200 memory hoping to upgrade the memory.
When I install the second DIMM, the BIOS properly recognizes it,
however, FC5 won't boot properly. The boot time takes forever. The
bootup is sitting in "Starting UDEV" for a very long time.
I believe the new memory DIMM is okay, I can use either memory DIMM
properly, however, attempting to use both causes a problem.
I'm stumped as to what could possibly be wrong.
I don't use the stock FC5 kernel, but instead have compiled my own
2.6.18-1 kernel. I have the Memory Split option set to the default
3G/1G user/kernel split.
I don't know if this is the correct list to ask this question. Does
anyone have any suggestions?
Jim
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I had a similar problem recently. I added memory and although the system passed memtest in all possible DIMM configurations, it was unstable, frequently hanging just as you describe. On the occassions that it did boot, the system showed errors when running the mprime torture test. As it turns out, the solution was to up the Vdimm voltage in the BIOS, but I did not do this until I checked the memory manufacturer's website to verify warrantied voltages, etc. Probably worth a shot.
Daniel
