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To: Tenchusatsu who wrote (109665)9/11/2000 2:49:23 PM
From: milo_morai  Read Replies (1) of 186894
 
<font color=purple>Latest Itanium has infernal kernel
By: Mike Magee
Posted: 11/09/2000 at 15:23 GMT

Reports on developer newsgroups suggest that the latest chip stepping of Intel's Itanium processor is causing problems for Linux developers whose code worked fine with stepping A2.

Timing issues seem to be the problem, but it is aggravated by the fact that Intel has so far released few samples of the B1 Itanium, making the process of testing and de-bugging harder than would be the case otherwise.

The Itanium is delayed until the end of this year, Intel officials said at the Developer Forum a few weeks back.that volumes would not begin to ship until next year.

One developer reported: "I got similar results with the 20000501 toolchain come with the 0825 RedHat ia64 beta distribution. I don't think it is a purely compiler issue since the same kernel, which works on A2 stepping, failed to boot on B1 stepping. I suspect some interaction between the ACPI stuff and the interrupts. It seems on B1 stepping, the kernel will get interrupts very early on in the ACPI code."

The continuing problems show that entirely re-engineering microprocessors for the IA-64 architecture is far from being a piece of cake. Intel has spent a fortune on pulling in support for ports and encouraging third parties to support its 64-bit effort. ®


You just have to wonder about what is going on in those Labs.

Milo

theregister.co.uk
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