Messages in this thread | | | Date | Mon, 20 Mar 2006 09:09:09 +0100 (MET) | From | kernel@ministry ... | Subject | Re: kernel cache mem bug(?) |
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> > > > Workaround: When we disable HyperThreading in BIOS, this > > > > problem goes away. We re-enabling HT, it comes back... > > > > > > Have you ruled out marginal memory, or overclocking/overheating? > > > > No overclocking done, no overheating happening. All RAM memory checks > > turn out just fine, with and without HT. > > > > When you say "All RAM memory checks turn out just fine" do you mean > the BIOS memory checks or something else? > > For a proper memory test run memtest86 (http://www.memtest86.com/) > and/or memtest86+ (http://www.memtest.org/) overnight (some 8-12hours > or more) with all tests enabled.. If the machine survives without > errors that then you can be reasonably sure memory is OK... The BIOS > tests are more or less worthless.
The RAM is 100% OK, both according to the initial BIOS memory check and memtest86 running for more than four (4) hours straight.
One more thing that we just noticed: it seems the cache corruption (or whatever it is) only occurs when X is running.
//D
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