Public bug reported:
Commit 8bb93c6f99a42c2e0943bc904b283cd622d302c5 ("ui/console: ensure
graphic updates don't race with TCG vCPUs") causes the graphic update to
run on a non-main thread, which Cocoa is not happy with. It crashes
immediately after startup.
$ i386-softmmu/qemu-system-i386
2017-03-22 10:09:25.113 qemu-system-i386[15968:9538245] *** Terminating app due
to uncaught exception 'NSInternalInconsistencyException', reason:
'nextEventMatchingMask should only be called from the Main Thread!'
*** First throw call stack:
(
0 CoreFoundation 0x00007fff91e72e7b
__exceptionPreprocess + 171
1 libobjc.A.dylib 0x00007fffa6a5ccad
objc_exception_throw + 48
2 AppKit 0x00007fff900953fd
-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
+ 4471
3 qemu-system-i386 0x0000000104f75a49
cocoa_refresh + 233
4 qemu-system-i386 0x0000000104e0312c
process_queued_cpu_work + 140
5 qemu-system-i386 0x0000000104d1a73c
qemu_tcg_rr_cpu_thread_fn + 284
6 libsystem_pthread.dylib 0x00007fffa7557aab
_pthread_body + 180
7 libsystem_pthread.dylib 0x00007fffa75579f7
_pthread_body + 0
8 libsystem_pthread.dylib 0x00007fffa75571fd thread_start
+ 13
)
libc++abi.dylib: terminating with uncaught exception of type NSException
Abort trap: 6
System: macOS 10.12.3, Xcode 8.2.1
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1675108
Title:
Cocoa UI always crashes on startup
Status in QEMU:
New
Bug description:
Commit 8bb93c6f99a42c2e0943bc904b283cd622d302c5 ("ui/console: ensure
graphic updates don't race with TCG vCPUs") causes the graphic update
to run on a non-main thread, which Cocoa is not happy with. It crashes
immediately after startup.
$ i386-softmmu/qemu-system-i386
2017-03-22 10:09:25.113 qemu-system-i386[15968:9538245] *** Terminating app
due to uncaught exception 'NSInternalInconsistencyException', reason:
'nextEventMatchingMask should only be called from the Main Thread!'
*** First throw call stack:
(
0 CoreFoundation 0x00007fff91e72e7b
__exceptionPreprocess + 171
1 libobjc.A.dylib 0x00007fffa6a5ccad
objc_exception_throw + 48
2 AppKit 0x00007fff900953fd
-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
+ 4471
3 qemu-system-i386 0x0000000104f75a49
cocoa_refresh + 233
4 qemu-system-i386 0x0000000104e0312c
process_queued_cpu_work + 140
5 qemu-system-i386 0x0000000104d1a73c
qemu_tcg_rr_cpu_thread_fn + 284
6 libsystem_pthread.dylib 0x00007fffa7557aab
_pthread_body + 180
7 libsystem_pthread.dylib 0x00007fffa75579f7
_pthread_body + 0
8 libsystem_pthread.dylib 0x00007fffa75571fd thread_start
+ 13
)
libc++abi.dylib: terminating with uncaught exception of type NSException
Abort trap: 6
System: macOS 10.12.3, Xcode 8.2.1
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