[X4U] ICAL looping
Daly Jessup
jessup at san.rr.com
Tue Apr 22 21:25:28 PDT 2008
I wrote:
>>Okay, so did you mean that it was "frozen"? I wondered if you
>>meant that some command or activity was running then repeating. But
>>you mean, perhaps, that it was "frozen" (unresponsive) and you
>>assumed it was because some process was looping? (and I imagine
>>that probably was why - I haven't seen a verified explanation of
>>why we get SPOD. Is that what you had? A spinning colored ball when
>>you selected iCal?
Ed Gould wrote:
>Frozen in *MY* context means waiting for a resource that will never
>be available. i.e. waiting on an read (or write) to a disk that was
>powered off (as an example). Yes I did get a spinning beach ball as
>you call it but to me that just means the application is not
>responding (for what ever reason). I was able to Force quit ICAL.
>There could be many different reasons for a spinning beachball
>(AFAIK) only Apple can tell you all the reasons. I would think you
>would have to know quite a bit of how interrupts are handle by the
>OS to even begin to guess what causes them. That, plus how
>dispatching is done by the OS. I know that Apples is simple
>(compared to others) but not well documented (on purpose?). Other
>OS's (that I am familiar with) have clear concise documentation on
>dispatching and interrupts and "other" events that change the state
>of the OS. I guess that comes with maturity of the OS (in this
>context over 10 years) as people need to know (sometimes) that type
>of detail.
Well, whatever. When you said "looping" you meant it was unavailable
and unresonsive. Did you resolve that, or is it still a situation for
you?
Daly
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