Not to be fixed
Created: Mar 11, 2013
Updated: Apr 19, 2018
Resolved Date: Apr 17, 2018
Previous ID: LIN5-7615, LIN6-3032
Found In Version: 6.0
Severity: Severe
Applicable for: Wind River Linux 6
Component/s: BSP
Problem Description
======================
kgdboc testing console 'ctrl+c' can NOT stop 'gdb vmlinux' 'continue' run kernel.
Please refer to WIND00383907, it seems the same issue.
Expected Behavior
======================
'ctrl+c' in login console can stop 'gdb vmlinux' 'c' running kernel.
Log location
======================
-----------------------------
(gdb) where
#0 kgdb_breakpoint ()
at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx34__Regression/14590/bitbake_build/tmp/work/ti_omap3-wrs-linux-gnueabi/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:1010
#1 0xc009b088 in sysrq_handle_dbg (key=<optimized out>)
at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx34__Regression/14590/bitbake_build/tmp/work/ti_omap3-wrs-linux-gnueabi/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:764
#2 0xc036c358 in __handle_sysrq (key=103, check_mask=<optimized out>)
at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx34__Regression/14590/bitbake_build/tmp/work/ti_omap3-wrs-linux-gnueabi/linux-windriver-3.4-r0/linux/drivers/tty/sysrq.c:525
#3 0xc036c3f8 in write_sysrq_trigger (file=<optimized out>,
buf=<optimized out>, count=2, ppos=<optimized out>)
at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx34__Regression/14590/bitbake_build/tmp/work/ti_omap3-wrs-linux-gnueabi/linux-windriver-3.4-r0/linux/drivers/tty/sysrq.c:900
#4 0xc018110c in proc_reg_write (file=<optimized out>,
buf=0xc5408 "g\noot\n\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\337\3---Type <return> to continue, or q <return> to quit---q
Quit
(gdb)
[debug] target remote localhost:6861
[debug] gdb_connect_case : connect_target OK
continue
Continuing.
^CInterruptingInterrupting[New Thread 723]
Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 723]
kgdb_breakpoint ()
at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx34__Regression/14590/bitbake_build/tmp/work/ti_omap3-wrs-linux-gnueabi/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:1010
1010 arch_kgdb_breakpoint();
(gdb)
[debug] sendcontrol_c OK
continue
Continuing.
kgdb testing ............. FAILED
[debug] ssh -o "StrictHostKeyChecking no" -o "GSSAPIAuthentication=no" root@128.224.178.128 "lsmod | grep module_debug_example && rmmod module_debug_example;sleep 2;ps aux | grep 732 | grep -v grep && kill 732 ; rm -rf /tmp/* ; echo "echo_result="$?"
module_debug_example 2918 0
root 732 0.3 0.2 2568 592 ttyO0 S 15:03 0:00 -sh
echo_result=0
1.Configuration:
/lpg-build/cdc/fast_prod/wrlinux501/dvd_install/lx34_12sp/wrlinux-5/wrlinux/configure --enable-jobs=8 --enable-parallel-pkgbuilds=4 --enable-kernel=preempt-rt --with-layer=/lpg-build/cdc/bsp/wrlinux-5.0.1/wr-testing/kts,/lpg-build/cdc/bsp/wrlinux-5.0.1/wr-testing/bts,, --enable-test=yes --enable-rootfs=glibc-std --enable-board=ti_omap3 --with-rcpl-version=0
2. Build:
make fs
