Messages in this thread | | | Subject | Re: kernel oops with x64_86 crossing 4Gb boundary | From | Andi Kleen <> | Date | 23 Jul 2005 18:20:03 +0200 |
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Francois Pepin <fpepin@aei.ca> writes:
> Hi, > > I am getting pseudo-random kernel oops on my Opteron box (Tyan Thunder > K8W) with 4Gb RAM. I am running RedHad FC3 with kernel > 2.6.11-1.35_FC3smp. > > It runs well with default BIOS settings, but only 3.5Gb RAM are visible. > Using the "Software Memory Hole" option in the BIOS (version 3.02) > remaps the last 2Gb to 4-6Gb. This causes kernel oops with various > applications, generally killing them. > > I can reproduce it by loading lots of data into R (which caused the oops > below). Various other applications have caused it
Software memory hole is broken in the BIOS. Don't use it.
-Andi
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