Bug reports requested - acpi/apic, current, 5.3-Beta3

Roman Kurakin rik at cronyx.ru
Tue Sep 7 10:11:22 PDT 2004


Hi,

    That's again me. I still have these problems.
5.3 Beta3 goes to panic with the same symptoms.

rik

Roman Kurakin wrote:

> Nate Lawson wrote:
>
>> Roman Kurakin wrote:
>>
>>> Nate Lawson wrote:
>>>
>>>> Roman Kurakin wrote:
>>>>
>>>>> You want it:
>>>>>   
>>>>> http://docs.freebsd.org/cgi/getmsg.cgi?fetch=2624308+0+/usr/local/www/db/text/2004/freebsd-current/20040822.freebsd-current 
>>>>>
>>>>>
>>>>> It seems that problems I have due to acpi code update between 
>>>>> 2004-08-13 and 2004-08-14.
>>>>> I'll check tomorrow that I didn't mix up sources.
>>>>>
>>>>> I've just applied changes in vm code that was made while 13-14, 
>>>>> and after
>>>>> restart I was able to log in to buggy system. So vm is not the 
>>>>> place of problems.
>>>>> The only unapplied patch is a acpi changes.
>>>>
>>>>
>>>> Does booting without ACPI fix the problem?
>>>
>>>
>>> No. Only safe mode. As I understand it also turn off MP.
>>
>>
>>
>> Safe mode disables the APIC in addition to ACPI.  Since disabling 
>> ACPI alone doesn't fix your problem, I doubt I can be much more help 
>> right now since I'm not an APIC expert.  Why don't you try booting 
>> with APIC disabled but ACPI still active and see how things work?
>>
>> set hint.apic.0.disabled="1" at the loader prompt
>
>
> 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?
>
> rik
>
>>> Again, if I set break point at install_ap_tramp this function start 
>>> to work correctly.
>>> (No trap at write access). And panic occures from other place (And I 
>>> unable to fix
>>> it by debugging ;-)) in mp_machdep.c.
>>>
>>> Now I'll try to understan what part of that ACPI commit I could 
>>> leave and which to
>>> backout to minimize search area.
>>
>>
>> -Nate
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>
>
>
>
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