Nate Lawson wrote: > Roman Kurakin wrote: > >> Nate Lawson wrote: >> >>> Roman Kurakin wrote: >>> >>>> Nate Lawson: >>>> >>>>> set hint.apic.0.disabled="1" at the loader prompt >>>> >>>> >>>> I'll try this tomorrow since I am going to sleep now. I hope it >>>> will reboot. >>>> If not I'll try to get to the work to fix its state. >>> >>> >>> I have not heard back from you about whether disabling the APIC (not >>> ACPI) alone fixes the problem. >> >> >> >> My answer was: >> >> I was unaware of all that safe mode turns off, and than I last >> time check this I ovelooked >> that apic is also disabled. It seems that problem with APIC. >> >> But could you tell me how changes in ACPICA affect APIC code? >> >> Sorry if it was not very clean. Yes, disabling apic helps. > > > Please answer yes or no: ACPI enabled but APIC disabled works 100%? > Safe mode disables both ACPI and APIC so it's not a good test of where > the problem is. You should probably also test with ACPI disabled but > APIC enabled ("set hint.acpi.0.disabled=1"). default both enabled, so : acpi.disabled - do not work apic.disabled - do work > The APIC code has two methods of enumerating PIC devices: ACPI and MP > table. With ACPI enabled, the APIC code gets its info from the MADT > table. With ACPI disabled, it uses the MP table. Many older (< 2001) > systems have problems with their MADT but an ok MP table. I think > there are a few systems that have a correct MADT but flawed MP table > but that is rare. > > Thanks,Received on Tue Sep 07 2004 - 16:44:09 UTC
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