Layer Backed WebView: assertion failed/CGGStackRestore crash on Google News page
Layer Backed WebView: assertion failed/CGGStackRestore crash on Google News page
- Subject: Layer Backed WebView: assertion failed/CGGStackRestore crash on Google News page
- From: Eric Wing <email@hidden>
- Date: Fri, 26 Aug 2011 12:20:05 -0700
Just wondering if anybody has come across this problem. It looks like
an Apple bug to me, but I wanted to make sure or learn if there is a
reasonable workaround.
I am trying to get a layer backed WebView to work in an OpenGL app. (I
want to put a web view on top of an OpenGL surface, either a
CAOpenGLLayer hosted in a view or layer backed NSOpenGLView).
When I do this and go to the Google News page, I see messages in my
console and it almost always leads to a crash with the message in the
console:
DVFreeThread - CFMachPortCreateWithPort hack = 0xa4ab3b0,
fPowerNotifyPort= 0xa4ab390
DVFreeThread - CFMachPortCreateWithPort hack = 0xa4b1760,
fPowerNotifyPort= 0xa4afff0
2011-08-25 18:51:19.391 LayerBackedOpenGLView[12233:707] unlockFocus
called too many time.
Assertion failed: (s->stack->next != NULL), function CGGStackRestore,
file Context/CGGStack.c, line 116.
I just filed a bug and mirrored it on Open Radar.
http://openradar.appspot.com/radar?id=1326401
Thanks,
Eric
--
Beginning iPhone Games Development
http://playcontrol.net/iphonegamebook/
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