The steps to reproduce this issue are a bit complicated.
In my app, previewing View A in Package P works fine, but another view in the same package fails to preview.
The error message is shown below. It seems that the memory used for the preview is interfering with the shared memory area.
This is reported as FB18519266
Exception Subtype: KERN_PROTECTION_FAILURE at 0x00000003402d8900
Exception Codes: 0x0000000000000002, 0x00000003402d8900
VM Region Info: 0x3402d8900 is in 0x3402c8000-0x340a18000; bytes after start: 67840 bytes before end: 7599871
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
mapped file 3401dc000-3402c8000 [ 944K] r-x/rwx SM=COW Object_id=57e4ac
---> shared memory 3402c8000-340a18000 [ 7488K] rw-/rw- SM=SHM
mapped file 340a18000-340f38000 [ 5248K] r-x/rwx SM=COW Object_id=1dc9a049
Termination Reason: ****** 10 Bus error: 10
Terminating Process: exc handler [94787]
