This crash is when trying to read from a file (130mb) that has been mmap'd.
It only happens rarely, and only when waking from sleep, but happens on both
10.8 and 10.9. It is almost like the mmap memory is not available right when
the system is woken up
Any ideas?
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x000000011c4b87d1
VM Regions Near 0x11c4b87d1:
MALLOC_LARGE 000000011ad9a000-000000011bb73000 [ 13.8M]
rw-/rwx SM=PRV
-->
mapped file 000000012484a000-0000000125a54000 [ 18.0M]
rw-/rwx SM=COW /private/var/folders/*/*.csstore
Thread 7 Crashed:
0 com.myapp 0x00000001000126d1 0x100000000 + 75473
Thread 7 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000001 rbx: 0x0000000104bd8c08 rcx: 0x00000000000000c8
rdx: 0x000000011c4b87d1
rdi: 0x00006000001b57e0 rsi: 0x000000010003099b rbp: 0x0000000104bd8a60
rsp: 0x0000000104bd8a60
r8: 0x0000000000000000 r9: 0x0000000000000000 r10: 0x000000010022b6f0
r11: 0x0000000100041020
r12: 0x0000000000000000 r13: 0x00006000001b57e0 r14: 0x0000000000000000
r15: 0x000000011bb73000
rip: 0x00000001000126d1 rfl: 0x0000000000010246 cr2: 0x000000011c4b87d1
Logical CPU: 1
Error Code: 0x00000004
Trap Number: 14
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 32
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 21157
thread_create: 1
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=181.1M resident=90.7M(50%)
swapped_out_or_unallocated=90.3M(50%)
Writable regions: Total=400.3M written=222.3M(56%) resident=248.1M(62%)
swapped_out=76K(0%) unallocated=152.2M(38%)
REGION TYPE VIRTUAL
=========== =======
CG backing stores 24.4M
CG image 88.5M
CG shared images 212K
Image IO 24.4M
Kernel Alloc Once 8K
MALLOC 235.7M
MALLOC (admin) 32K
Memory Tag 242 12K
SQLite page cache 256K
STACK GUARD 56.0M
Stack 10.7M
VM_ALLOCATE 16.4M
__DATA 22.4M
__IMAGE 528K
__LINKEDIT 66.2M
__TEXT 114.8M
__UNICODE 544K
mapped file 178.6M
shared memory 4K
=========== =======
TOTAL 839.6M
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