2010/9/23 Thomas Nyström <t...@saeab.se>:
> Citerar Alan <lameventa...@gmail.com>:
>
>> 2010/9/23 JOORIS Emmanuel <ejoo...@imaginnov.com>:
>>>
>>> Le mercredi 22 septembre 2010 à 23:37 +0200, Soren Kristensen a écrit :
>>>>
>>>> Hi Everybody,
>>>>
>>>> JOORIS Emmanuel wrote:
>>>> > Hello,
>>>> > I buy a net5501 last year i think, and since April my board crash a
>>>> > lot(no answer on serial link no network...). the watchdog
>>>> > automatically
>>>> > restart the board, but this is annoying. the PSU can be the source of
>>>> > crash ?
>>>> > In the board i have a wifi n pci card and an 8Gb CF and the PSU is an
>>>> > GPF361DA-1230-1.
>>>> > I don't think this is the temperature because i have place some
>>>> > ramsink
>>>> > on the geode, companion chip and S-IO and with the box open there is
>>>> > now
>>>> > a small fan on top of the geode. And this is still crashing (some day
>>>> > not, some day 6 or 8 times, and few other day every hours.....).
>>>>
>>>> Our experience is that 9 out of 10 times issues with stability is either
>>>> problems with the power supply or with the software, especially Linux as
>>>> it seems to have taken long time for a stable VT6105M Linux driver to
>>>> show up....
>>>>
>>>> If it's one of the very few instances where it's a hardware issue just
>>>> contact r...@soekris.com to request service, if under warranty it will be
>>>> replaced or repaired at no charge.
>>>
>>>>  But try another power supply first,
>>>
>>> I will do that when i have the right connector (Friday maybe).
>>>
>>>> and if running Linux, ensure you have the stable drivers.
>>>
>>> i'm using debian gnu/linux 5.0.5 and, now, the box don't crash for 4days
>>> and half :)
>>
>>
>> I have 6 net5501 boxes that crash frequently (every 1-5 days) whenever
>> I use a mini-pci wifi card.
>> I have tried with 4 different 12v high quality power supplies of 2A,
>> 5A, 6.6A and 8.5A.
>> I have also tried 2 different types of wifi cards: Atheros AR5008 and
>> Broadcom BCM4318.
>>
>> They crash while being idle.  I don't think its the VIA ethernet
>> driver problem because I have also hit this one and it only happens
>> under heavy network usage, my crashes happen even without any kind of
>> activity.
>>
>> If I remove the wifi cards they all work perfectly fine.
>> The CPU temperature reported by lm_sensors is around 60 celsius.
>>
>> The wifi chipset is really hot to the touch, so my theory is that
>> maybe the wifi card is not responding anymore and this hangs the whole
>> system.
>>
>> Any ideas?
>>
>> Alan
>
> This sounds to be an issue with the powersuply on the 5501. The external
> supply gives you 12V but that it switched down to 3.3V etc on the 5501.
> Maybe that onboard switch is overloaded because of your wifi board.

Soren, what do you think about this? What do you think causes this
problem? How can I solve it?

Alan
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