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On 06-05 00:23, Magnus Lindholm wrote: |
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> Hi, |
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> |
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> I have a UP2000+ system with dual 21264 @ 667MHz/4MB cache and 2GB RAM. The |
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> system runs fine with RedHat 7.2 Linux (downloaded from hp website) with an |
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> 2.4 SMP kernel. However, running Gentoo with an SMP kernel will eventually |
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> make the system freeze (i.e make -j2 when building a new kernel only lasts |
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> for a 30 seconds or so). I've also tried NetBSD-5.1, FreeBSD-6.4, and a few |
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> other Linux distros with the 2.6 kernel (make -j2 makes the system freeze). |
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> It seems like Linux kernel 2.4 is the only OS that works with SMP on my |
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> system. Has anyone else experienced something similar with an UP2000+ Alpha |
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> system? First I suspected faulty hardware, but RedHat 7.2 seems to work just |
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> fine so... |
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> |
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> I heard somewhere that Linux going from 2.4 to 2.6 made some significant |
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> re-structuring of the SMP code that broke SMP support on some systems? |
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> |
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> The system has a Matrox Millenium and a 3Com 3c509B Ethernet card and a SCSI |
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> disk hooked up to the on-board SCSI. I've tried unplugging the NIC and a |
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> using a DEC PowerStorm 3D30 in stead of the Matrox Millenium, different CPU |
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> modules and different RAM modules. All with the same results. There are no |
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> error messages to be seen anywhere when the system freezes up. |
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|
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Very strange. SMP with 2.6 on Alpha works, at least on few machines i used. |
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Maybe you have faulty chipset, or UP2000+ wasn't tested |
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well enaugh by developers and maintainers of alpha port. :/ |
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-- |
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Witold Baryluk |