Re: 2.6.25 pci=noacpi

Richard
2008-05-02T13:11:33Z

Andrew Morton wrote:
> On Fri, 02 May 2008 12:23:01 +0100 Richard <tuxbox.guru@gmail.com> wrote:
>
>
>> Len Brown wrote:
>>
>>> On Thursday 01 May 2008, Richard wrote:
>>>
>>>
>>>> Len Brown wrote:
>>>>
>>>>
>>>>> On Tuesday 29 April 2008, Richard wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Hi there,
>>>>>>
>>>>>> Now I am at a loss.. I cant get any logs from netconsole. With ACPI
>>>>>> enabled it drops dead just after the kernel hands control to Init. When
>>>>>> I reboot with acpi disabled there is no trace of the previous boot in
>>>>>> /var/log/message or kernel logs.
>>>>>>
>>>>>> The network card I have is a Tigon3 and its not initialised before the
>>>>>> system dies... or so it looks (altho I cant seem to get any netconsole
>>>>>> working - I suspect pebkac)
>>>>>>
>>>>>> I have tried to find an option where the kernel boot is logged
>>>>>> explicitly to disk, but I cant seem to find the option. There is so much
>>>>>> chaff I cant seem to get my brain to find the REAL options list thats up
>>>>>> to date.
>>>>>>
>>>>>> Any pointers are appreciated
>>>>>>
>>>>>>
>>>>>>
>>>>> go fishing with this bait:
>>>>>
>>>>> idle=poll
>>>>> acpi=noirq
>>>>>
>>>>> -Len
>>>>>
>>>>>
>>>>>
>>>>>
>>>> Thanks :-) With help from Thomas (and his team) , noapictimer seems to
>>>> have fixed the symptom.. now its to hunt for the cure :-)
>>>>
>>>>
>>> if the problem is the apic timer stopping during C-states,
>>> then you should find that idle=poll will also work around the problem.
>>> If idle=poll does not work around it but noapictimer does, then
>>> the problem is the apic timer when the system is non-idle.
>>>
>>> -Len
>>>
>>>
>>>
>> Hi Len,
>>
>> thanks - the idle=poll works to fix the problem.
>>
>
> Well, that's hardly a "fix". The power consumption will be very high.
>
>
Hehehe, its a start. A booting kernel is definitely a good start (even
one what drinks battery). I have some avenues in the source to
investigate, but being a ACPI n00bie its trying to get my head around
the mass of code thats a daunting task.

Richard