[Mono-bugs] [Bug 685584] Using SDB on the HTC Desire HD

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Apr 6 14:52:39 EDT 2011 

https://bugzilla.novell.com/show_bug.cgi?id=685584

https://bugzilla.novell.com/show_bug.cgi?id=685584#c2


--- Comment #2 from Martin Baulig <martin at novell.com> 2011-04-06 18:52:38 UTC ---
Disassembling this test() method:

===
000005a8 <test>:
 5a8:   e92d4800        push    {fp, lr}
 5ac:   e28db004        add     fp, sp, #4
 5b0:   e24dd018        sub     sp, sp, #24
 5b4:   e50b0018        str     r0, [fp, #-24]
 5b8:   e3a03000        mov     r3, #0
 .....
 620:   e51b3008        ldr     r3, [fp, #-8]
 624:   e5932000        ldr     r2, [r3]
 628:   e51b3010        ldr     r3, [fp, #-16]
 62c:   e0823003        add     r3, r2, r3
 630:   e50b3010        str     r3, [fp, #-16]
 634:   e3a00004        mov     r0, #4
 ...
====

And logcat output:

====
I/ActivityManager(14782): Start proc Martin.LastHope.NativeTest for service
Martin.LastHope.NativeTest/.NativeTestService: pid=6968 uid=10113 gids={3003}
I/AndroidRuntime( 6961): NOTE: attach of thread 'Binder Thread #3' failed
D/NativeTest( 6968): STATIC INIT!
D/dalvikvm( 6968): Trying to load lib
/data/data/Martin.LastHope.NativeTest/lib/libnativetest.so 0x476ec9a0
D/dalvikvm( 6968): Added shared lib
/data/data/Martin.LastHope.NativeTest/lib/libnativetest.so 0x476ec9a0
I/Martin  ( 6968): native_test_init(): page = 0x44083000, func = 0x80b005a8
D/NativeTest( 6968): onCreate!
D/NativeTest( 6968): onStartCommand
I/Martin  ( 6968): native_test_main(): 0x49240b64
I/Martin  ( 6968): test(): 0x49240b4c
I/Martin  ( 6968): test(): loop 0
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 1
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 0 done
I/Martin  ( 6968): test(): loop 1
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 2
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 1 done
I/Martin  ( 6968): test(): loop 2
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 3
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 2 done
I/Martin  ( 6968): test(): loop 3
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 4
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 3 done
I/Martin  ( 6968): test(): loop 4
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 5
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 4 done
I/Martin  ( 6968): test(): loop 5
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 6
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 5 done
I/Martin  ( 6968): test(): loop 6
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 7
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 6 done
I/Martin  ( 6968): test(): loop 7
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 8
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 7 done
I/Martin  ( 6968): test(): loop 8
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 9
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 8 done
I/Martin  ( 6968): test(): loop 9
I/Martin  ( 6968): sigsegv(): 0x44083000 - 0x44083000 - 10
I/Martin  ( 6968):   PC = 0x80b00624, SP = 0x49240b40
I/Martin  ( 6968):   R0 = 0x00000017, R1 = 0x492406e8, R2 = 0x89b427c6, R3 =
0x44083000
I/Martin  ( 6968):   R4 = 0x49240ba0, R5 = 0x00000004, R6 = 0x44086f94, R7 =
0x44086fa0
I/Martin  ( 6968):   R8 = 0x49240b80, R9 = 0x44086f98, R10 = 0x44086f80
I/Martin  ( 6968):   FP = 0x49240b5c, IP = 0xafa030c8, LR = 0x80b00620
I/Martin  ( 6968):   CPSR = 0x60000010
I/Martin  ( 6968): test(): loop 9 done
I/Martin  ( 6968): test(): loop 10
I/ActivityManager(14782): Process Martin.LastHope.NativeTest (pid 6968) has
died.
W/ActivityManager(14782): Scheduling restart of crashed service
Martin.LastHope.NativeTest/.NativeTestService in 5000ms
=====

As you can see, we get out of that segfault handler 9 times and resume the
loop, the 10th time kills the process.

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