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From: João M. S. S. <joa...@gm...> - 2019-08-27 15:05:25
|
Hello,
I have run the same scenario in 4 situations: 2 versions of the
program and with/without "-Wl,-Ttext-segment=0x68000000".
Below I show the results.
I'm analysing these with the help of Adacore. Notwithstanding, do you
know if any of these errors are from Valgrind (with the exception of
case A. 1. which I reported in the bug tracker)? Or are all of these
problems in Ada libs?
Scenario: what_if_test_cflman_ib5a.txt
A. build FS06, revision 212246
1. without "-Wl,-Ttext-segment=0x68000000"
valgrind: mmap(0xaea000, 4186329088) failed in UME with error 22
(Invalid argument).
valgrind: this can be caused by executables with very large text, data
or bss segments.
2. with "-Wl,-Ttext-segment=0x68000000"
==20569== Warning: set address range perms: large range [0x686ea000,
0x161f4f000) (defined)
==20569== Thread 2 CWP_Processing_C:
==20569== Invalid write of size 4
==20569== at 0x68406EC3: system__stack_usage__fill_stack (in
/home/AltranUK/jsilva.fs/svn/integration_r212246/FWP/FWP_Engine/pw_fwp_engine.eab)
==20569== by 0x683F33DD: system__tasking__stages__task_wrapper (in
/home/AltranUK/jsilva.fs/svn/integration_r212246/FWP/FWP_Engine/pw_fwp_engine.eab)
==20569== by 0x57A7DD4: start_thread (in /usr/lib64/libpthread-2.17.so)
==20569== by 0x6766EAC: clone (in /usr/lib64/libc-2.17.so)
==20569== Address 0xc9ba9b8 is on thread 2's stack
==20569== 272 bytes below stack pointer
==20569==
==20569== Warning: client switching stacks? SP change: 0x195b4890 -->
0x1979ce88
==20569== to suppress, use: --max-stackframe=2000376 or greater
==20569== Warning: client switching stacks? SP change: 0x19c16e70 -->
0x19dff468
==20569== to suppress, use: --max-stackframe=2000376 or greater
==20569== Warning: client switching stacks? SP change: 0x19017d50 -->
0x19200348
==20569== to suppress, use: --max-stackframe=2000376 or greater
==20569== further instances of this message will not be shown.
==20569== Thread 4 FDP_Invoke_TP_FP:
==20569== Invalid read of size 4
==20569== at 0x684070F1: system__stack_usage__compute_result (in
/home/AltranUK/jsilva.fs/svn/integration_r212246/FWP/FWP_Engine/pw_fwp_engine.eab)
==20569== by 0x683F34B6: system__tasking__stages__task_wrapper (in
/home/AltranUK/jsilva.fs/svn/integration_r212246/FWP/FWP_Engine/pw_fwp_engine.eab)
==20569== by 0x57A7DD4: start_thread (in /usr/lib64/libpthread-2.17.so)
==20569== by 0x6766EAC: clone (in /usr/lib64/libc-2.17.so)
==20569== Address 0xcab2440 is on thread 4's stack
==20569== 54920 bytes below stack pointer
B. build FS07, revision 221726
1. without "-Wl,-Ttext-segment=0x68000000"
a. without vgdb
==26266== Warning: set address range perms: large range [0xaf0000,
0x13f14000) (defined)
==26266==
==26266== Process terminating with default action of signal 6 (SIGABRT)
==26266== at 0x165B3207: raise (in /usr/lib64/libc-2.17.so)
==26266== by 0x165B4A37: abort (in /usr/lib64/libc-2.17.so)
==26266== by 0x16375E90: uw_init_context_1 (unwind-dw2.c:1580)
==26266== by 0x16376A17: _Unwind_Backtrace (unwind.inc:283)
==26266== by 0x8176E0: __gnat_backtrace (in
/home/AltranUK/jsilva.fs/svn/integration/FWP/FWP_Engine/pw_fwp_engine.eab)
==26266== by 0x80D2DC: system__traceback__call_chain__2 (s-traceb.adb:93)
==26266== by 0x80D304: system__traceback__call_chain (s-traceb.adb:109)
==26266== by 0x7FE149: ada__exceptions__call_chain (a-excach.adb:65)
==26266== by 0x7FE29C: ada__exceptions__complete_occurrence
(a-except.adb:928)
==26266== by 0x7FE2CC:
ada__exceptions__complete_and_propagate_occurrence (a-except.adb:942)
==26266== by 0x7FE669: ada__exceptions__raise_with_location_and_msg
(a-except.adb:1168)
==26266== by 0x7FE624: __gnat_raise_storage_error_msg (a-except.adb:1145)
b. with vgdb
0x0000000013f15120 in adaptation.airspace_adaptation.default_hold_overlap ()
from /lib64/ld-linux-x86-64.so.2
(gdb) c
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x000000000046d98c in
<adaptation__airspace_adaptation__segmented_holds___elabs> ()
at /home/AltranUK/jsilva.fs/svn/integration/FWP/Common/Adaptation/adaptation-airspace_adaptation-segmented_holds.ads:472
472 (Length => Airspace_Adaptation.Hold_Volumes_Length'First,
(gdb) c
Continuing.
Program received signal SIGABRT, Aborted.
0x00000000165b3207 in
adaptation.airspace_adaptation.segmented_holds.segmented_hold_volumes
() from /lib64/libc.so.6
(gdb) c
Continuing.
Program received signal SIGABRT, Aborted.
0x00000000165b3207 in
adaptation.airspace_adaptation.segmented_holds.segmented_hold_volumes
() from /lib64/libc.so.6
(gdb) c
Continuing.
Program terminated with signal SIGABRT, Aborted.
The program no longer exists.
2. with "-Wl,-Ttext-segment=0x68000000"
a. without vgdb
Execution of ./FWP/FWP_Engine/pw_fwp_engine.eab terminated by
unhandled exception
raised STORAGE_ERROR : s-intman.adb:136 explicit raise
Call stack traceback locations:
0x683fa8cf 0x57af5ce 0x6806d98a 0x68009cf9 0x6800b67d 0x668b3d3
0x6800824d 0xfffffffffffffffe
==31250== Warning: set address range perms: large range [0x686f0000,
0x7bb14000) (defined)
==31250== Invalid write of size 1
==31250== at 0x6806D98C:
adaptation__airspace_adaptation__segmented_holds___elabs
(adaptation-airspace_adaptation-segmented_holds.ads:472)
==31250== by 0x68009CFA: adainit (b__fwp_engine.adb:1239)
==31250== by 0x6800B67E: main (b__fwp_engine.adb:1745)
==31250== Address 0x7d81a3e0 is not stack'd, malloc'd or (recently) free'd
b. with vgdb
0x0000000004001120 in _start () from /lib64/ld-linux-x86-64.so.2
(gdb) c
Continuing.
Program received signal SIGTRAP, Trace/breakpoint trap.
0x000000006806d98c in
<adaptation__airspace_adaptation__segmented_holds___elabs> ()
at /home/AltranUK/jsilva.fs/svn/integration/FWP/Common/Adaptation/adaptation-airspace_adaptation-segmented_holds.ads:472
472 (Length => Airspace_Adaptation.Hold_Volumes_Length'First,
(gdb) c
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x000000006806d98c in
<adaptation__airspace_adaptation__segmented_holds___elabs> ()
at /home/AltranUK/jsilva.fs/svn/integration/FWP/Common/Adaptation/adaptation-airspace_adaptation-segmented_holds.ads:472
472 (Length => Airspace_Adaptation.Hold_Volumes_Length'First,
(gdb) c
Continuing.
[Inferior 1 (Remote target) exited with code 01]
João M. S. Silva
|