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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 231.19-0.3%3:14 PM EST
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To: Manly Dirk who wrote (259348)4/2/2009 1:14:48 AM
From: pgerassiRead Replies (4) of 275872
 
Manly Dirk:

Barcelona was a triumph of admitting a problem and then fixing it. Too many times a company doesn't admit a mistake and lets it fester. This type of solution has happened before at Intel who tried to pooh pooh any problem until it became so obvious that they couldn't spin it anymore. The latter actions makes people very suspicious of any Intel product. The same goes with nVidia's GPU packaging problems.

The best way is to admit you have a problem and then work with people to fix it. Then when its fixed people tend to believe it after they verify the problem is no longer present (trust, but verify). Letting things go like FDIV, P3-1.13, and i820 at Intel and G8x at nVidia, really ticks people off. Another is that errata that allows SMM to be used to rootkit an Intel CPU through cache poisoning and Intel has known about that for years. Especially since it hasn't been fixed. AMD CPUs weren't tested, but because they use a different cacheing method, different SMM implementation, and they fix problems when they find them, the method likely doesn't work with them.

The latter is something that would concern someone with a mission critical server or one with vital secrets that need to be protected. Something an Intel booster fails to see as a problem (until it happens to them). The mere suspicion that the NSA had a backdoor into a cypher algorithm was enough to blacklist all systems using it. Proof of such a vulnerability (SMM rootkit) is worse.

Pete
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