Not to be fixed
Created: Mar 5, 2013
Updated: Apr 19, 2018
Resolved Date: Apr 17, 2018
Previous ID: LIN5-7121, LIN6-2813
Found In Version: 6.0
Severity: Severe
Applicable for: Wind River Linux 6
Component/s: BSP
Problem Description
======================
kgdboc test failed due to target snuff out while step debug moules on preempt_rt
Expected Behavior
======================
It works well.
Observed Behavior
======================
On Intel-atom,stm-spear13xx, this case passed.
Logs (dmesg)
======================
root@localhost:~# cat /proc/version
Linux version 3.4.28-rt40-WR5.0.1.0_preempt-rt (wr-taf@pek-lpgtest1) (gcc version 4.6.3 (Wind River Linux Sourcery CodeBench 4.6a-99) ) #1 SMP PREEMPT RT Sat Mar 2 05:30:03 CST 2013
root@localhost:~# cat /proc/cmdline
root=/dev/nfs rw nfsroot=128.224.165.20:/export/pxeboot/vlm-boards/21603/rootfs ip=128.224.165.103:128.224.165.20:128.224.165.1:255.255.255.0::eth1:off console=ttyS0,115200
root@localhost:~# echo "ttyS0,115200" > /sys/module/kgdboc/parameters/kgdboc
kgdb: Registered I/O driver kgdboc.
root@localhost:~# echo g > /proc/sysrq-trigger
SysRq : DEBUG
KGDB or $3#33 for KDB
+$#00+$OK#9a+$S05#b8+$OK#9a+$QC0586#67+$#00+$#00+$c0a3a1f8e7477e60ea2e80600000001c0000000000000000c03aeee$7c0004ac#22+$c00b0c3000000000244424840000000700000700c09e830002000000c09e0000e7477e70c00b0c3000000067c09e0000e7477ea0c0398828c0076330ea2e8060#59+$#00+$#00+$#00+$#00+$OK#9a+$#00+$OK#9a+root@localhost:~#
root@localhost:~#
root@localhost:~#
root@localhost:~# modprobe module_debug_example
$T05thread:058c;#a6+$c00b0834#f4+$c00b0834#f4+$f9291528#da+$6a62643200000060f92e9470#0d+$2e696e69742e706c74008c68e9138c68000000000000000000000000000000#91+$e9e19660f92e95f0#43+$2e73796d74616200e9e19668e9e1966800000000deadbeefdeadbeefdeadbe#dc+$e97ab4a0f92f13b0#8a+$2e73747274616200e97ab4a8e97ab4a800000000deadbeefdeadbeefdeadbe#4e+$c09e66b8#37+$7c0802a6#fb+$4e800020#c3+$7c0802a6#fb+$4e800020#c3+$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#9b+$c06f7208#00+$#00+$#00+$#00+$#00+$#00+$OK#9a+$7c0802a6#fb+$OK#9a+$T05thread:058c;#a6+$c00b0838#f8+$#00+$OK#9a+$OK#9a+$OK#9a+BUG: sleeping function called from invalid context at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/mm/slab.c:3321
in_atomic(): 0, irqs_disabled(): 1, pid: 1420, name: modprobe
Call Trace:
Welcome to Module Debug Sample !
privateData is at 0xf946c454. globalData is at 0xf946c528
Address of putABreakPointHere is 0xf946c200.
Mo$T05thread:058d;#a7+$f946c218#07+$f946c218#07+$OK#9a+$OK#9a+$3d20f947#03+$90010014#8f+$3d20f947#03+$90010014#8f+$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#93+$e7527fd0f946c000f946c00000000000e7527ff0f946c04400800900c0a4000000000000f946c000f946c0000000000000000000c000f1a08400242800000000#0e+$3d20f947#03+$OK#9a+dul$T05thread:058d;#a7+$f946c21c#32+$#00+$OK#9a+$OK#9a+$8169c754#db+$OK#9a+e Module Debug Sample loaded. initModuleTest exiting.
BUG: sleeping function called from invalid context at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/mm/slab.c:3321
in_atomic(): 0, irqs_disabled(): 1, pid: 1421, name: modprobe
Call Trace:
$T05thread:058c;#a6+$c00b0834#f4+$c00b0834#f4+$f9291528#da+$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#3b+$c06f7208#00+root@localhost:~#
root@localhost:~#
root@localhost:~#
root@localhost:~#
root@localhost:~#
root@localhost:~#
root@localhost:~# BUG: sleeping function called from invalid context at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/mm/slab.c:3321
in_atomic(): 0, irqs_disabled(): 1, pid: 1420, name: modprobe
Call Trace:
SysRq : DEBUG
$T05thread:057f;#a8+$c00b0c08#20+$c00b0c08#20+$OK#9a+$OK#9a+$#00+$7d821008#ce+$7c0004ac#22+$7d821008#ce+$7c0004ac#22+$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#d1+$00000700000080000200000000000007e756fe60c09e830000000067c09e0000e756fe90c0398828c03b6ab000000081000000e10000006700000000ea2d7000#9e+$OK#9a+$OK#9a+[sched_delayed] sched: RT throttling activated
root@localhost:~#
root@localhost:~# lsmod
Module Size Used by
jbd2 84117 1 ext4
vfat 10797 1
fat 55346 1 vfat
minix 31745 0
nls_cp437 5132 1
nls_iso8859_1 3466 1
module_debug_example 2500 0
ext4 469729 0
root@localhost:~# dmesg | tail
Address of putABreakPointHere is 0xf946c200.
Module Module Debug Sample loaded. initModuleTest exiting.
BUG: sleeping function called from invalid context at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/mm/slab.c:3321
in_atomic(): 0, irqs_disabled(): 1, pid: 1421, name: modprobe
Call Trace:
BUG: sleeping function called from invalid context at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/mm/slab.c:3321
in_atomic(): 0, irqs_disabled(): 1, pid: 1420, name: modprobe
Call Trace:
SysRq : DEBUG
[sched_delayed] sched: RT throttling activated
root@localhost:~#
root@localhost:~#
root@localhost:~# SysRq : DEBUG
$T05thread:057f;#a8+$c00b0c08#20+$OK#9a+$OK#9a+$#00+$7d821008#ce+$7c0004ac#22+$7d821008#ce+$7c0004ac#22+$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#d1+$00000700000080000200000000000007e756fe60c09e830000000067c09e0000e756fe90c0398828c03b6ab000000081000000e10000006700000000ea2d7000#9e+$OK#9a+$OK#9a+
.......... target snuff out..........
------------------------------------
wr-taf@pek-lpgtest1:/buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133$
wr-taf@pek-lpgtest1:/buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133$ /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/sysroots/x86_64-linux/usr/bin/toolchain/powerpc-wrs-linux-gnuspe-gdb /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/build/linux-windriver-3.4-r0/linux-fsl-e500mc-preempt-rt-build/vmlinux
GNU gdb (Wind River Linux Sourcery CodeBench 4.6a-99) 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=powerpc-wrs-linux-gnu".
For bug reporting instructions, please see:
<support@windriver.com>...
Reading symbols from /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux-fsl-e500mc-preempt-rt-build/vmlinux...done.
(gdb) target remote 128.224.158.220:6661
Remote debugging using 128.224.158.220:6661
warning: Could not load shared library symbols for 7 libraries, e.g. jbd2.
Use the "info sharedlibrary" command to see the complete listing.
Do you need "set solib-search-path" or "set sysroot"?
kgdb_breakpoint () at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:1010
1010 arch_kgdb_breakpoint();
(gdb) path /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/build/kernel-test-modules-0.1-r0/
Executable and object file path: /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/build/kernel-test-modules-0.1-r0:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
(gdb) break bpHere.c:putABreakPointHere
No source file named bpHere.c.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (bpHere.c:putABreakPointHere) pending.
(gdb) info b
Num Type Disp Enb Address What
1 breakpoint keep y <PENDING> bpHere.c:putABreakPointHere
(gdb) c
Continuing.
[New Thread 1420]
[New Thread 1421]
[Switching to Thread 1421]
Breakpoint 1, putABreakPointHere () at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/kernel-test-modules-0.1-r0/bpHere.c:20
20 siLocal++;
(gdb) s
Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 1420]
0xc00b083c in module_event (self=<optimized out>, val=0, data=0xf946c5a8 <__this_module>)
at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:699
699 {
(gdb) c
Continuing.
^CInterruptingInterrupting[New Thread 1407]
Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 1407]
kgdb_breakpoint () at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:1010
1010 arch_kgdb_breakpoint();
(gdb) c
Continuing.
^CInterruptingInterrupting
Program received signal SIGTRAP, Trace/breakpoint trap.
kgdb_breakpoint () at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/kernel/debug/debug_core.c:1010
1010 arch_kgdb_breakpoint();
(gdb) info b
Num Type Disp Enb Address What
1 breakpoint keep y 0xf946c218 in putABreakPointHere
at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/kernel-test-modules-0.1-r0/bpHere.c:20
breakpoint already hit 1 time
(gdb) c
Continuing.
1)/lpg-build/cdc/fast_prod/wrlinux501/dvd_install/lx31_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=fsl_e500mc --with-rcpl-version=auto
2)
1> target:
root@localhost:~# echo "ttyS0,115200" > /sys/module/kgdboc/parameters/kgdboc
root@localhost:~# echo g > /proc/sysrq-trigger
2> host:
wr-taf@pek-lpgtest1:/buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133$ /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/sysroots/x86_64-linux/usr/bin/toolchain/powerpc-wrs-linux-gnuspe-gdb /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/build/linux-windriver-3.4-r0/linux-fsl-e500mc-preempt-rt-build/vmlinux
(gdb) target remote 128.224.158.220:6661
(gdb) path /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/build/kernel-test-modules-0.1-r0/
(gdb) break bpHere.c:putABreakPointHere
(gdb) info b
(gdb) c
3> target:
root@localhost:~# modprobe module_debug_example
4> host:
(gdb) s
(gdb) c
5> target:
root@localhost:~# lsmod
module_debug_example 2500 0
root@localhost:~# dmesg | tail
Address of putABreakPointHere is 0xf946c200.
Module Module Debug Sample loaded. initModuleTest exiting.
BUG: sleeping function called from invalid context at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/mm/slab.c:3321
in_atomic(): 0, irqs_disabled(): 1, pid: 1421, name: modprobe
Call Trace:
BUG: sleeping function called from invalid context at /buildarea3/fast_build/BUILD/WRLinux_5.0.1-wrl501_lx31_RC0_Regression/14133/bitbake_build/tmp/work/fsl_e500mc-wrs-linux/linux-windriver-3.4-r0/linux/mm/slab.c:3321
in_atomic(): 0, irqs_disabled(): 1, pid: 1420, name: modprobe
Call Trace:
SysRq : DEBUG
6> host
(gdb) c
^CInterruptingInterrupting[New Thread 1407]
Program received signal SIGTRAP, Trace/breakpoint trap.
(gdb) c
Continuing.
^C
(gdb) info b
(gdb) c
Continuing.
