いくつか同様(フルスクリーン再生時、ムービー書き出し)のクラッシュログを掲載しますと,
①
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000a08fb4c4
VM Regions Near 0xa08fb4c4:
__LINKEDIT 000000008ff27000-000000008ff3a000 [ 76K] r--/rwx SM=COW /usr/lib/dyld
--> Submap 0000000090000000-00000000ac000000 r--/rwx machine-wide submap
mapped file 0000000090000000-0000000090005000 [ 20K] r-x/r-x SM=COW Object_id=6f0ebe0
Application Specific Information:
building project tree
VRAM info:disp 0:128MB
...built
playing: VM 774.68 MB
playing: VM 776.97 MB
playing: VM 839.92 MB
playing: VM 832.51 MB
playing: VM 777.18 MB
playing: VM 848.65 MB
playing: VM 846.88 MB
playing: VM 958.25 MB
playing: VM 980.92 MB
objc[2013]: garbage collection is OFF
②
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000b2470d60
VM Regions Near 0xb2470d60:
Stack 00000000b09b8000-00000000b0a39000 [ 516K] rw-/rwx SM=COW
-->
__TEXT 00000000ba900000-00000000ba91c000 [ 112K] r-x/rwx SM=COW /System/Library/CoreServices/Encodings/libJapaneseConverter.dylib
Application Specific Information:
building project tree
VRAM info:disp 0:128MB
...built
playing: VM 963.42 MB
objc[344]: garbage collection is OFF
③
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000000000b6
VM Regions Near 0xb6:
--> __PAGEZERO 0000000000000000-0000000000001000 [ 4K] ---/--- SM=NUL /Applications/iMovie.app/Contents/MacOS/iMovie
__TEXT 0000000000001000-0000000000442000 [ 4356K] r-x/rwx SM=COW /Applications/iMovie.app/Contents/MacOS/iMovie
Application Specific Information:
building project tree
VRAM info:disp 0:128MB
...built
objc[290]: garbage collection is OFF
のような感じで,アクセス違反の原因が「不足」では無いきがしています。
ATIRadeonX1000GLDriverは怪しいと思っている(画面がたまに散らつく為)のですが,手だて無く。