Wolfgang Grandegger wrote: > Gilles Chanteperdrix wrote: >> Jan Kiszka wrote: >>> Wolfgang Grandegger wrote: >>> >>>> Hello, >>>> >>>> I'm currently setting up a PC for Xenomai-Tests. I'm using my good old >>>> PC with an Athlon XP (Thunderbird) for this purpose. The kernel >>>> hangs at >>>> boot time when I enable APIC via boot argument (lapic). With local APIC >>>> disabled the kernel boots but I see some Opps messages while running >>>> the >>>> latency test and trying a slogin to the system (in the scheduler). Are >>>> there any known issues with this X86 arch? I remember, that I have seen >>>> similar problems with my (old) PIII-Notebook (lapic did not work). >>> >>> >>> No known issues, both scenarios *must* work, the P-III at least in PIC >>> mode when Linux refuses to enabled lapic on boot. >> >> Some athlons have a buggy local APIC, so disabling it may be the best >> option. > > Ah, I found some similar statement on the RTAI mailing list as well.
Still, it must neither oops nor hang in this case - or does plain Linux so as well? Jan
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