Re: [rfc] generic allocator and mspec driver

David Mosberger
2005-02-15T19:19:40Z

>>>>> On Tue, 15 Feb 2005 13:11:20 -0600, Robin Holt <holt@sgi.com> said:

Robin> We saw many silent data corruptions. The SN2 hardware will
Robin> give an MCA if both types of references are made by the cpu
Robin> at about the same time, but that depends on both transactions
Robin> being on the bus in close relationship to each other.

Yes, but the point is it affects _most_ of today's machines, including
x86. A while ago, there were some nasty data corruption issues on AMD
chips caused by the AGP GART and the large mappings used by the Linux
kernel, for example.

--david