Re: Low temprature test got a C0000021a error, some one can help?
- From: "Slobodan Brcin \(eMVP\)" <sbrcin@xxxxxx>
- Date: Sun, 1 May 2005 21:13:30 +0200
Tony,
All MB have one or more termal sensors on them. They are read trough I2C SMB
bus.
If you don't have component "Microsoft System Management Bus Host
Controller" or some third party alternative chanches are most likely that OS
and programs will never be able to read termal sensor states.
Also I do not know any MS driver that read termal sensors on board since
there is no standard and each MB manufacturer can include what ever sensors
they want and like on I2C bus.
Some manufacturers like Intel will suply you with their drivers and programs
for reading temp sensors.
Buf if you do not have third party drivers then this should not be a cause
for your error :-(
Regards,
Slobodan
"Tony Guan" <tony@xxxxxxxxxxxxx> wrote in message
news:%23sZMhmJTFHA.2756@xxxxxxxxxxxxxxxxxxxxxxx
> Dear all,
> I think we've got to somewhere that near to the real reason.
> Only yesterday did I know that the target has a thermal sensor. And if fix
> the reported temprature of the sensor, then the blue screen will not
> occure.
> But I am not quite sure about this is the root cause(though I believe it).
> Because XPP will not have such problem.
> I tried to disable the system device "ACPI Thermal Zone" for further test,
> but when I opened "Device Manager", I find there is no 'disable' option
> for the component. And if I uninstall it, system will automatically find
> and reinstall it after reboot.
> So I am asking for a method to make certain.
>
> How can I disable/uninstall the system device "ACPI Thermal Zone"?
> Or can someone help me with another idea that will make the final
> conclusion out?
>
> Many thanks!
>
> --
> BRGs
> Tony Guan
>
> First International Computer ShangHai Software Lab.
> Add: Garden Business Center,889 JuLu Rd,ShangHai,P.R.C.
> Tel: +86-21-62495726 Ext: 223
> Fax: +86-21-62495712
> "Slobodan Brcin (eMVP)" <sbrcin@xxxxxx>
> дÈëÏûÏ¢ÐÂÎÅ:%233poQTIRFHA.1396@xxxxxxxxxxxxxxxxxxxxxxx
>> Tony,
>>
>> This error is the nasty one.
>> http://groups-beta.google.com/group/microsoft.public.windowsxp.embedded/search?group=microsoft.public.windowsxp.embedded&q=C000021a&qt_g=1
>>
>> But suberror code is even stranger and I have not seen it. Does it change
>> or it is always the same? Check following links although I do not think
>> that you will find true meaning for this subcode.
>> http://groups-beta.google.com/groups?q=STOP+0x00000402
>>
>> Even I remember this error but with different subcode and probably
>> different cause:
>> http://groups-beta.google.com/group/microsoft.public.windowsxp.embedded/browse_frm/thread/a601fe50251c190b/eea7439136a1ddfe#eea7439136a1ddfe
>>
>> At that time I fought 5-6 simultaneous errors of different kind all
>> hardware software related. So there was many changes and I never figured
>> completely what caused this error. Either hardware that I replaced, but I
>> would not think so.
>>
>> Most probably cause that I figured was that I have influenced too much on
>> driver load order and system initialization procedure on very low driver
>> level to cause some higher interface functions not to work properly at
>> the required time.
>> Later system services that relied on these interfaces were unable to work
>> and reported this error as consequence.
>>
>> In your case it might be that temperature and absence of other drivers
>> present in XPP were just enough to cross some tight time constant and
>> change initialization order of drivers. Which lead later to error.
>>
>> This is not even enough info, but this is all that I can offer you on
>> this strange bug.
>> Matt might be more successful in obtaining info about this error subcode
>> that bug you.
>>
>> Regards,
>> Slobodan
>>
>> "Tony Guan" <tony@xxxxxxxxxxxxx> wrote in message
>> news:%231n5N$HRFHA.1980@xxxxxxxxxxxxxxxxxxxxxxx
>>> Hi Matt,KM,Slobodan,
>>>
>>> Thank you for your prompt answer! Please see mine below.
>>>
>>> What MB do you use?
>>> --- SouthBridge ALi M1535+
>>> What boot medium?
>>> --- 1.8' Hard Disk OR 1' Micro Drive (both IDE interface)
>>> What additional hardware on board?
>>> --- 802.11g miniUSB/TFT-LCD 8.4¡±, 800x600 color TFT LVDSWith Touch
>>> screen/
>>> What processor?
>>> --- CPU:Crusoe TM5900 1Ghz
>>> What memory?
>>> --- DDR 128M SO-DIMM
>>> What casing do you use?
>>> --- It's still in develop mode, so I think it will be tested naked.
>>>
>>> What each manufacturer from above guarantee for their product
>>> operational
>>> temperatures.
>>> For the MB you use on target you should read documentation. Usually
>>> manufacturers state about their MB operational modes and
>>> temperatures it has been tested with and guaranteed to work under.
>>>
>>> ----We installed XP Pro too, and it works under the same temprature
>>> condition.
>>>
>>> This sounds like a hardware problem
>>> -----
>>> Our colleagues also doubt it's hardware fault, but we are not sure about
>>> that.
>>> Can somebody help to tell me what the error code means?
>>> I tried to explain it through Windebug, but failed.
>>>
>>> Thanks & RGRs
>>> Tony Guan
>>>
>>>
>>> "Matt Kellner (MS)" <mattkell@xxxxxxxxxxxxx>
>>> дÈëÏûÏ¢ÐÂÎÅ:eQZIhZERFHA.1236@xxxxxxxxxxxxxxxxxxxxxxx
>>>> Hi Tony. This sounds like a hardware problem - your computer may have
>>>> a defect somewhere in the motherboard, an expansion device, memory
>>>> slot/chip, the CPU, etc., that experiences thermal stress in cold
>>>> environments. My suggestion would be to first check and make sure that
>>>> everything is properly seated in the system - pull out any expansion
>>>> devices (such as a video card, memory, etc) and put them back in,
>>>> making sure it's fully and securely seated in its slot. Then try your
>>>> test again. If it still fails, I'd suggest trying another equivalent
>>>> machine with the same runtime.
>>>>
>>>> --
>>>> Matt Kellner (mattkell@xxxxxxxxxxxxxxxxxxxx)
>>>> STE, Windows Embedded Group
>>>>
>>>> This posting is provided "AS IS" with no warranties, and confers no
>>>> rights.
>>>> ===============================
>>>>
>>>> "Tony Guan" <tony@xxxxxxxxxxxxx> wrote in message
>>>> news:uiHiWD$QFHA.2436@xxxxxxxxxxxxxxxxxxxxxxx
>>>>> Hi there,
>>>>> I built a xpe image, it runs fine in normal conditions, but when our
>>>>> test engineers put the target device in the low temprature-say, around
>>>>> 0¡æ(0 degree Celsius), the device refuses to boot, instead, it shows
>>>>> blue screen with:
>>>>>
>>>>> C000021a{Fatal System Error}
>>>>> The Windows Logon Process System process terminated unexpectedly with
>>>>> a status of 0x00000402(0x00000000 0x00000000).
>>>>> the system has been shut down.
>>>>>
>>>>> Can someone show me some clue?
>>>>>
>>>>> Thanks & BRGs
>>>>> Tony Guan
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
.
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