Fixed
Created: Dec 31, 2012
Updated: Mar 10, 2016
Resolved Date: Nov 30, 2013
Previous ID: LIN5-909, LIN6-3081
Found In Version: 6.0
Fix Version: 6.0
Severity: Severe
Applicable for: Wind River Linux 6
Component/s: Toolchain
Problem Description
======================
kgdboc test can NOT stopped at breakpoint by using path module_debug_example to add symbols.
Expected Behavior
======================
works well.
Observed Behavior
======================
None
Logs(Key error logs)
======================
host:
-------------------
GNU gdb (Wind River Linux Sourcery CodeBench 4.6a-95) 7.4.50.20120716-cvs
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=i686-pc-linux-gnu --target=mips-wrs-linux-gnu".
For bug reporting instructions, please see:
<support@windriver.com>...
Reading symbols from /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux-cav-octeon2-standard-build/vmlinux...done.
(gdb) path /source_code/project/cav-octeon2/build/kernel-test-modules-0.1-r0
path /source_code/project/cav-octeon2/build/kernel-test-modules-
0.1-r0
Executable and object file path: /source_code/project/cav-octeon2/build/kernel-test-modules-0.1-r0:/bin:/android/android-sdk-linux/tools:/android/android-sdk-linux/platform-tools:/android/phonegap/android-phonegap/lib/android/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
(gdb) target remote localhost:6661
target remote localhost:6661
Remote debugging using localhost:6661
warning: Could not load shared library symbols for 6 libraries, e.g. jbd2.
Use the "info sharedlibrary" command to see the complete listing.
Do you need "set solib-search-path" or "set sysroot"?
0xffffffff8113524c in arch_kgdb_breakpoint ()
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/arch/mips/kernel/kgdb.c:223
223 __asm__ __volatile__(
(gdb) list
list
218 #endif
219 };
220
221 void arch_kgdb_breakpoint(void)
222 {
223 __asm__ __volatile__(
224 ".globl breakinst\n\t"
225 ".set\tnoreorder\n\t"
226 "nop\n"
227 "breakinst:\tbreak\n\t"
(gdb) info break
info break
No breakpoints or watchpoints.
(gdb) info register
info register
zero at v0 v1
R0 0000000000000000 ffffffff811cb9b8 0000000000000001 0000000000000000
a0 a1 a2 a3
R4 0000000000000001 ffffffff8114d750 ffffffffffffffff 0000000000000000
a4 a5 a6 a7
R8 000000000000000a ffffffff81a3f468 000000000001ffff 0000000000000000
t0 t1 t2 t3
R12 0000000000000000 000000001000001f a80000008ed90000 0000000010040000
s0 s1 s2 s3
R16 ffffffff81a90000 0000000000000067 ffffffff818dcc28 ffffffff81b00000
s4 s5 s6 s7
R20 0000000000000000 0000000000000007 ffffffff818f0000 0000000000000001
t8 t9 k0 k1
R24 000000001003c4c4 000000002c1cf7b0 0000000000000000 0000000000000007
gp sp s8 ra
R28 ffffffff818ac000 ffffffff818af950 ffffffff818af950 ffffffff811cb9b8
sr lo hi bad
0000000010008ce2 0000000000000004 0000000000326c8e ffffffff818d0000
cause pc
0000000000800024 ffffffff8113524c
fsr fir
00000000 00000000
(gdb) where
where
#0 0xffffffff8113524c in arch_kgdb_breakpoint ()
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/arch/mips/kernel/kgdb.c:223
#1 0xffffffff811cb9b8 in kgdb_breakpoint ()
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:1010
#2 0xffffffff811cbca8 in sysrq_handle_dbg (key=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:764
#3 0xffffffff814fdd1c in __handle_sysrq (key=<optimized out>,
check_mask=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/drivers/tty/sysrq.c:525
#4 0xffffffff814fdf08 in handle_sysrq (key=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/drivers/tty/sysrq.c:553
#5 0xffffffff81504bf0 in uart_handle_sysrq_char (ch=<optimized out>,
port=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/include/linux/serial_core.h:521
---Type <return> to continue, or q <return> to quit---q
q
Quit
(gdb) continue
continue
Continuing.
^CInterruptingInterrupting
Program received signal SIGTRAP, Trace/breakpoint trap.
break bpHere.c:putABreakPointHere
0xffffffff8113524c in arch_kgdb_breakpoint ()
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/arch/mips/kernel/kgdb.c:223
223 __asm__ __volatile__(
(gdb) break bpHere.c:putABreakPointHere
No source file named bpHere.c.
Make breakpoint pending on future shared library load? (y or [n]) y
y
Breakpoint 1 (bpHere.c:putABreakPointHere) pending.
(gdb) list
list
218 #endif
219 };
220
221 void arch_kgdb_breakpoint(void)
222 {
223 __asm__ __volatile__(
224 ".globl breakinst\n\t"
225 ".set\tnoreorder\n\t"
226 "nop\n"
227 "breakinst:\tbreak\n\t"
(gdb) info break
info break
Num Type Disp Enb Address What
1 breakpoint keep y <PENDING> bpHere.c:putABreakPointHere
(gdb) info register
info register
zero at v0 v1
R0 0000000000000000 ffffffff811cb9b8 0000000000000001 0000000000000000
a0 a1 a2 a3
R4 0000000000000067 ffffffff8114d750 ffffffffffffffff 0000000000000000
a4 a5 a6 a7
R8 000000000000000a ffffffff81a3f468 000000000001ffff 0000000000000000
t0 t1 t2 t3
R12 0000000000000000 000000001000001f a80000008ed90000 0000000010040000
s0 s1 s2 s3
R16 ffffffff81a90000 0000000000000067 ffffffff818dcc28 ffffffff81b00000
s4 s5 s6 s7
R20 0000000000000000 0000000000000007 ffffffff818f0000 0000000000000001
t8 t9 k0 k1
R24 000000001003c4c4 000000002c1cf7b0 ffffffff818dcc28 ffffffff81b00000
gp sp s8 ra
R28 ffffffff818ac000 ffffffff818af950 ffffffff818af950 ffffffff811cb9b8
sr lo hi bad
0000000010008ce2 333333333333333b 0000000000000005 0000000000000005
cause pc
0000000000800024 ffffffff8113524c
fsr fir
00000000 00000000
(gdb) where
where
#0 0xffffffff8113524c in arch_kgdb_breakpoint ()
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/arch/mips/kernel/kgdb.c:223
#1 0xffffffff811cb9b8 in kgdb_breakpoint ()
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:1010
#2 0xffffffff811cbca8 in sysrq_handle_dbg (key=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:764
#3 0xffffffff814fdd1c in __handle_sysrq (key=<optimized out>,
check_mask=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/drivers/tty/sysrq.c:525
#4 0xffffffff814fdf08 in handle_sysrq (key=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/drivers/tty/sysrq.c:553
#5 0xffffffff81504bf0 in uart_handle_sysrq_char (ch=<optimized out>,
port=<optimized out>)
at /source_code/project/cav-octeon2/bitbake_build/tmp/work/cav_octeon2-wrs-linux-gnun32/linux-windriver-3.4-r0/linux/include/linux/serial_core.h:521
---Type <return> to continue, or q <return> to quit---q
q
Quit
(gdb) continue
continue
Continuing. -------------> can NOT stop at here. (putABreakPointHere)
target:
-------------------
root@localhost:~# moduleTest thread woke up. Global is GLOBAL !
in putABreakPointHere(), siLocal = 2
moduleTest thread woke up. Global is GLOBAL !
in putABreakPointHere(), siLocal = 3
SysRq : DEBUG
$T05thread:fffffffe;#d5+$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#be+$0000000d#b4+$00000000#80+$#00+$0000010f#b7+$00000000#80+$00000000000000000000000000000000ffffffff818af960ffffffff818af9600000000000000008ffffffff818d0000ffffffff818af980ffffffff811cbca8#2f+$03c0e82d#29+$00000000#80+$ffffffff818af990ffffffff814fdd1c0000000000000001ffffffff818dd180ffffffff81b054f00000000000000101ffffffff818b0000a80000008d4ce800#04+$666454a0#d0+$0220202d#bc+$fffffffffffffff3000000000000001400000000000000000000000000000067ffffffff818af9f0ffffffff814fdf08ffffffff818afa00ffffffff81504bf0#8e+$03c0e82d#29+$24050001#8c+$085412db#fa+$02e0202d#ef+$0000000000000000000000000000007dffffffff818afa60ffffffff8150676cffffffff818dd180ffffffff81b054f0a80000008ee6d514000000000000007d#24+$0000000d#b4+$#00+moduleTest thread woke up. Global is GLOBAL !
in putABreakPointHere(), siLocal = 4
moduleTest thread woke up. Global is GLOBAL !
in putABreakPointHere(), siLocal = 5
moduleTest thread woke up. Global is GLOBAL !
in putABreakPointHere(), siLocal = 6
moduleTest thread woke up. Global is GLOBAL !
in putABreakPointHere(), siLocal = 7 ---------> always print similar messages.
/source_code/xxxx/wrlinux-x/wrlinux/configure --enable-jobs=8 --enable-parallel-pkgbuilds=4 --enable-kernel=standard --enable-rootfs=glibc_std --enable-board=cav-octeon2 --enable-test=yes --with-layer=/source_code/xxxx/wr-testing/bts,/source_code/xxxx/wr-testing/kts,/source_code/xxxx/wr-testing/ltp --with-rcpl-version=auto
