Since Yosemite I have seen a lot of crash reports submitted where the
crash is triggered by closing a window and it mostly ends with sending
`isFlipped`, `_isLayerBacked`, or `transformRect:` to a wrong object.
I have attached a sample crash report below.
Does anyone else see this? Anyone know what could cause it? Any hints on
what I could do to debug it?
I haven’t been able to reproduce a similar crash in my own test
environment, so any debugging would need to be done by deploying test
builds with debug code.
Application Specific Information:
objc_msgSend() selector name: isFlipped
Performing @selector(_close:) from sender _NSThemeCloseWidget
0x61000019c560
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libobjc.A.dylib 0x00007fff897530dd objc_msgSend + 29
1 com.apple.AppKit 0x00007fff8afb7d79 -[NSView
convertRect:toView:] + 212
2 com.apple.AppKit 0x00007fff8b094b0e -[NSView(NSInternal)
_updateLayerTreeRenderer] + 935
3 com.apple.AppKit 0x00007fff8b1c1548 -[NSView(NSInternal)
_pauseLayerTreeRenderer] + 144
4 com.apple.CoreFoundation 0x00007fff830bacbc
__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
5 com.apple.CoreFoundation 0x00007fff82fac1b4 _CFXNotificationPost +
3140
6 com.apple.Foundation 0x00007fff903acea1 -[NSNotificationCenter
postNotificationName:object:userInfo:] + 66
7 com.apple.AppKit 0x00007fff8b0c70f4 -[NSWindow
_reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] +
4151
8 com.apple.AppKit 0x00007fff8b0c5e17 -[NSWindow
_doOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 829
9 com.apple.AppKit 0x00007fff8b0c5a6b -[NSWindow
orderWindow:relativeTo:] + 159
10 com.apple.AppKit 0x00007fff8b1bf587 __18-[NSWindow
_close]_block_invoke + 444
11 com.apple.AppKit 0x00007fff8b1bf395 -[NSWindow _close] +
363
12 com.apple.AppKit 0x00007fff8b1bf145 -[NSWindow __close] +
312
13 libsystem_trace.dylib 0x00007fff8fc41cd7 _os_activity_initiate +
75
14 com.apple.AppKit 0x00007fff8b1765e7 -[NSApplication
sendAction:to:from:] + 410
15 com.apple.AppKit 0x00007fff8b176410 -[NSControl
sendAction:to:] + 86
16 com.apple.AppKit 0x00007fff8b34adaf __26-[NSCell
_sendActionFrom:]_block_invoke + 131
17 libsystem_trace.dylib 0x00007fff8fc41cd7 _os_activity_initiate +
75
18 com.apple.AppKit 0x00007fff8b1bef2c -[NSCell
_sendActionFrom:] + 144
19 com.apple.AppKit 0x00007fff8b331ab2 -[NSButtonCell
_sendActionFrom:] + 39
20 libsystem_trace.dylib 0x00007fff8fc41cd7 _os_activity_initiate +
75
21 com.apple.AppKit 0x00007fff8b1d9a66 -[NSCell
trackMouse:inRect:ofView:untilMouseUp:] + 2731
22 com.apple.AppKit 0x00007fff8b1d8cc1 -[NSButtonCell
trackMouse:inRect:ofView:untilMouseUp:] + 491
23 com.apple.AppKit 0x00007fff8b1d8289 -[NSControl mouseDown:]
+ 714
24 com.apple.AppKit 0x00007fff8b660e5d -[_NSThemeWidget
mouseDown:] + 315
25 com.apple.AppKit 0x00007fff8b6d1fef -[NSWindow
_reallySendEvent:] + 12827
26 com.apple.AppKit 0x00007fff8b15c65c -[NSWindow sendEvent:]
+ 368
27 com.apple.AppKit 0x00007fff8b10e1e6 -[NSApplication
sendEvent:] + 2238
28 com.apple.AppKit 0x00007fff8af9afe8 -[NSApplication run] +
711
29 com.apple.AppKit 0x00007fff8af86424 NSApplicationMain +
1832
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