On Tuesday, September 10, 2002, at 02:33 PM, Bryan Whitehead wrote:

>>> I think i traced down the problems I'm having with mozilla 1.1
>>> --enable-xinerama is not being passed to configure at all...
>>>
>>> Mozilla locks up after about 30mins of use...
>>>
>>> also galeon locks up when starting up.
>>>
>>> I've trying blowing away .mozilla and .galeon and logging out (and 
>>> killing all my processes for good measure) and the problem is still 
>>> there. :(
>>>
>>> mozilla is very stable on a non-dual head box tho...
>> I'm not sure this would have anything do with xinerama.  I use Galeon 
>> only for my browser, and have multiple tabs and multiple windows open 
>> for hours (or days) at a time.  Running pure cooker here with 
>> dual-head and xinerama enabled on GNOME2.  I can say that Galeon has 
>> not crashed on me for quite a while, and I even used Mozilla 
>> yesterday for some testing and it was open for a few hours, and it 
>> didn't even blink.
>
> you can have dual head without having Xinnerama on. Also, your card 
> might have equal features on both heads. (For example on a Matrox g550 
> one one head has DRI support.... Xinerama communicates this to 
> applications that are Xinerama aware so they will work.) You might 
> just be lucky with your hardware. But I assure you, all dual heads 
> here don't work with current mozilla because --enable-xinerama is not 
> on.

I do have Xinerama enabled.  One card is a PCI Matrox card and the 
other an AGP ATI card.  If this makes a difference, then that may be 
why it works fine here.  The ATI card has DRI, the Matrox does not.

I leave this to Fred Crozat since he is the mozilla maintainer and will 
take your word for it... I have no way of testing anything else as I 
don't have a dual head card, just two different cards.

--
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