trying to make tracebacks reproducible

[Christian Ebert]

* Augie Fackler on Tuesday, July 06, 2010 at 19:07:10 -0500
> On Jul 6, 2010, at 12:49 PM, Christian Ebert wrote:
>> * Matt Mackall on Tuesday, July 06, 2010 at 10:49:39 -0500
>>> On Tue, 2010-07-06 at 10:16 +0200, Christian Ebert wrote:
>>>> * Matt Mackall on Monday, July 05, 2010 at 14:05:49 -0500
>>>>> You've probably found a kernel bug. In particular, some failure to
>>>>> save/restore floating point state correctly during task switch. Since
>>>>> this is expensive, most operating systems try to avoid doing it if
>>>>> floating point is not in use by a given task.
>>>> 
>>>> I see (sort of). Nothing one can do about it then?
>>> 
>>> Depends on what kernel you're running. If it's Linux, we can fix it
>>> (though I'm pretty sure this entire class of bugs was fixed most of a
>>> decade ago, which is why I already have a good idea what the problem
>>> is).
>> 
>> Should have mentioned it before:
>> 
>> $ sw_vers
>> ProductName:	Mac OS X
>> ProductVersion:	10.5.8
>> BuildVersion:	9L30
> 
> Have you filed a radar yet?

radar has never been on my radar ;-) so far.

> If not, you need to. Even better, post it on openradar, and
> then follow up to this thread with the link so others can check
> on its status.
> 
> Heck, if you file it in radar with steps to reproduce, and copy
> it to openradar, I'll try it on my Snow Leopard machine to
> verify that it's still busted there too (assuming it is) and
> then duplicate your bug (which is the voting mechanism used by
> Apple for their internal bugs.)

mencoder is not exactly an Apple program ... When I find time I'm
gonna try some QuickTime video conversion, perhaps it takes as
much cpu and threads, so I can reproduce this in a more Apple
specific way. Difficult.

c
-- 
  Was heißt hier Dogma, ich bin Underdogma!
[ What the hell do you mean dogma, I am underdogma. ]
free movies      --->>> http://www.blacktrash.org/underdogma/
http://itunes.apple.com/podcast/underdogma-movies/id363423596