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#include <hallo.h> * Eduard Bloch [Sat, Nov 15 2003, 05:40:15PM]: > > I've even build a 2.4.22 kernel with the config-2.4.20-20.9smp > > configuration that came with RH9. > > I see a very similar behaviour on a dual Xeon system here. But it began > with 2.4.22. After upgrading from 2.4.21 to 2.4.22, HT was disabled. It > became even worse, the mainboard (some Serverworks board in Siemens > Primergy F250 server) decided to disable the second CPU completely (I > don't have the logs from that moment, sorry). The problem is still reproducible with 2.4.23-rc3. And the box has rebooted suddently after 10 days running 2.4.23-pre9 in the weird 1+2xHT mode. After the reboot, the second CPU disappeared and now I saw that the BIOS disabled both CPUs, maybe because of detected errors. > After upgrading to 2.4.23-pre9 and enabling the second CPU in the > mainboard BIOS, I see HT only working on the second CPU. There only a > message about the first: WARNING: No sibling found for CPU 0. I tried > compiling with or without ACPI, it makes no difference. I can live with > 3 virtual CPUs but idealy it should be fixed before 2.4.23 release. > Needles to say that it still works with 4 virtual CPUs using 2.4.21. > > Kernel messages for those who are interessted: Both logs from 2.4.23-pre and 2.4.21 can be found on: http://sites.inka.de/W1752/ht-trouble.txt MfG, Eduard. -- Abwechslung ist des Lebens Reiz, was freilich jede glückliche Ehe zu widerlegen scheint. -- Theodor Fontane - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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