Re: pointer being freed was not allocated when rotating an iPhone
Re: pointer being freed was not allocated when rotating an iPhone
- Subject: Re: pointer being freed was not allocated when rotating an iPhone
- From: Jonathan del Strother <email@hidden>
- Date: Mon, 11 Jan 2010 12:24:18 +0000
2010/1/11 Gerriet M. Denkmann <email@hidden>:
> When I rotate my iPhone in the Simulator, I get:
>
> ... malloc: *** error for object 0x1091000: pointer being freed was not allocated
> *** set a breakpoint in malloc_error_break to debug
> (gdb) bt
> #0 0x980d2072 in malloc_error_break ()
> #1 0x97fe1303 in free ()
> #2 0x0015ce49 in dataReleaseInfo ()
> #3 0x001481d9 in data_provider_finalize ()
> #4 0x30204421 in _CFRelease ()
> #5 0x00147fa2 in image_finalize ()
> #6 0x30204421 in _CFRelease ()
> #7 0x00c12ded in CALayerStateRelease ()
> #8 0x00c18290 in -[CALayer dealloc] ()
> #9 0x00c0a00e in CALayerRelease ()
> #10 0x00c0b265 in CA::release_root_if_unused ()
> #11 0x00c0b1ef in x_hash_table_remove_if ()
> #12 0x00c0afd4 in CA::Transaction::commit ()
> #13 0x00c132e0 in CA::Transaction::observer_callback ()
> #14 0x30245c32 in __CFRunLoopDoObservers ()
> #15 0x3024503f in CFRunLoopRunSpecific ()
> #16 0x30244628 in CFRunLoopRunInMode ()
> #17 0x32044c31 in GSEventRunModal ()
> #18 0x32044cf6 in GSEventRun ()
> #19 0x309021ee in UIApplicationMain ()
> #20 0x0000291c in main (argc=1, argv=0xbffff06c) at /Volumes/เม่น
> (gdb)
>
> As there seems to be none of my code involved, I am a bit puzzled how to debug this.
> My subclass of UIViewController is initialized from a nib and only contains a UITextView.
>
Is this on the 3.0 simulator? I had a similar problem when creating
CGImages, and it was fixed by running the simulator with the 3.1 SDK.
As far as I can tell, the problem is completely absent on the actual
hardware, with or without 3.0.
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