Philippe Gerum wrote:
> On Tue, 2007-02-13 at 15:07 +0100, Jan Kiszka wrote:
>> Stephan Zimmermann wrote:
>>> I wasn't able to isolate the section of my code that causes the crash by
>>> now. The only thing I figured out by now is that the particular crash
>>> does not happen with 2.3.x rev 2077.
>>> So I guess some change from 2077 to the 2139 revision did break something.
>> Could you track the issue a bit more down? There are not to many
>> "interesting" changes to 2.3.x. A few milestones I found in the ChangeLog:
>>
>> - 2092: Allow sleeping scheduler locks
>> - 2108: Before RPI rework
>>
>> Anything after 2108 only makes sense to dissect when you switch on
> 
> s,on,off,

Nope. If this switch is off, RPI is enabled while known to be buggy, right?

[That's why I voted for positive logic in trunk -- it twists your brain. ;)]

> 
>> XENO_OPT_RPIDISABLE (RPI was buggy until 2139).
>>
>>> I'll go on trying to make it reproducible in a small demo program.
>>>
>>> By the way, I see a Pentium M crash reliable when I do the following,
>>> don't know if it's related:
>>>
>>> - load nucleus and native module
>>> - start / stop my app
>>> - reload the modules
>>> - start my app --> crash
>>>
>>> I attached 'screenshots' of a total freeze with backtrace and some
>>> messages I extracted  from syslog (both on Pentium M).
>> Looks like some memory corruption. Your application is not messing
>> around on raw (kernel) memory and/or hardware? Keep in mind that changes
>> to the kernel code also moves offsets, potentially unrevealing a
>> pre-existing corruption that so far just hit harmless regions.
>>
>> Jan
>>
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