[Dev] Chandler pegs CPU

[Bryan Stearns]

I just closed bug 4446 as a dup of bug 4356, which already had a note 
that you don't need a detail view to see this: it also happens when 
editing a sidebar collection name.


Katie Capps Parlante wrote:

> I only see this when we have a detail view (not right when the app 
> starts up, or when you switch back to calendar from all).
>
> We have a bug for this: Bug 4446.
>
> Also, I'll look into a script to test for it: Bug 4445.
>
> Cheers,
> Katie
>
> John Anderson wrote:
>
>>
>>
>> David Surovell wrote:
>>
>>> Folks,
>>>
>>> I've noticed the CPU problem, but it went away for me after a 
>>> check-in late Tuesday afternoon. The problem has been caused before 
>>> by the UpdateUI stuff, also by my wxMSW composited window shim.
>>
>>
>>
>> UpdateUI shouldn't cause infinite loops updating windows -- but I 
>> double checked that it isn't causing the problem. Is there an easy 
>> way to turn off wxMSW composited window shim to verify that it isn't 
>> part of the infinite update problem?
>>
>>>
>>> My (strong) belief is that this problem is due to Chandler code 
>>> changes, and not wx. The wx code hasn't changed at all for a week, 
>>> and no significant low-level changes in wxMSW for some days before.
>>>
>>> Regards,
>>> David S.
>>>
>>> =====================
>>>
>>> Katie Capps Parlante wrote:
>>>
>>>> Is there any way to automate a test for this?
>>>>
>>>> It would be great if we could be flagged when a new checkin 
>>>> reintroduces this kind of problem.
>>>>
>>>> Cheers,
>>>> Katie
>>>>
>>>> John Anderson wrote:
>>>>
>>>>> Hi David:
>>>>>
>>>>> Morgen noticed that Chandler pegs the CPU on windows. Other people 
>>>>> have
>>>>> noticed it's started getting sluggish a few days ago. It looks 
>>>>> like were
>>>>> stuck in an infinite loop updating the screen. Seems to not happen on
>>>>> win2k, which sounds like a bug you had awhile back with your 
>>>>> offscreen
>>>>> buffer fix. Any ideas?
>>>>>
>>>>> John
>>>>>
>>>>>
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>>>>
>>>>
>>>>
>>>>
>>>
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