|[News] What a PPC linux kernel hacker thinks about the Articia||ANN.lu|
|Posted on 14-Jun-2004 23:52 GMT by JohnV||68 comments|
Here's what Benjamin Herrenschmidt, a respectable linuxPPC kernel hacker
thinks about the Articia.
is some interesting thread about the Articia. Note that Benjamin Herrenschmidt
is a clued linuxPPC kernel hacker with lot of
experience. Here's what he thinks about the Articia "features":|
It's basically incompetent northbridge design.
No, that means the HW is a Piece Of Shit !
Cache coherency is a basic feature of anything claiming to be used as a
|List of all comments to this article|
|What a PPC linux kernel hacker thinks about the Articia : Comment 66 of 68||ANN.lu|
|Posted by minator on 18-Jun-2004 12:43 GMT|
|I think the problem is they never updated the chip.|
All electronic components of this complexity have bugs, most companies have no problem admitting it.
i.e. this is from a quick google:
The Pentium 4 processor may contain design defects or errors known as errata which may cause the product to deviate from published specifications.
This section documents product errata for AMD Opteron processors
PowerPC 750GX Microprocessor. Errata Notice
Revision A Chip Errata, MOTOROLA
They fix these with revisions called "steppings" so over time the bugs get removed.
Sometimes they'll issue a workaround in software (revisions can be very expensive).
MAI for some strange reason seem to consider themselves immune to this and and instead of doing what the rest of the IC industry does, have not done multiple revisions. Quite why this is is something of a mystery but you can see the effects and it's certainly not doing their business any good.
In case you're wondering yes, Marvell do admit and fix their bugs.
|List of all comments to this article (continued)|
|Comment 67||Don Cox||Registered user||19-Jun-2004 07:47 GMT|
|Comment 68||Alkis Tsapanidis||Registered user||19-Jun-2004 10:54 GMT||
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