This is the mail archive of the
systemtap@sourceware.org
mailing list for the systemtap project.
[Bug runtime/9927] New: 2.6.29-rc7 - kernel crash with sharedbuf.exp stap test script
- From: "mahesh at linux dot vnet dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 6 Mar 2009 08:19:11 -0000
- Subject: [Bug runtime/9927] New: 2.6.29-rc7 - kernel crash with sharedbuf.exp stap test script
- Reply-to: sourceware-bugzilla at sourceware dot org
While running sharedbuf.exp test with latest systemtap and 2.6.29.-rc7 kernel
crashes at the time of loading module with unknown symbol
[root@mjs22lp5 systemtap-latest-5Mar]# make installcheck
RUNTESTFLAGS="sharedbuf.exp"
if test \! -e /usr/local/bin/stap; then \
echo /usr/local/bin/stap doesn\'t exist, run make install; \
exit -1; \
fi; \
if test ./stap -nt /usr/local/bin/stap; then \
echo "/usr/local/bin/stap is not recent, run make install"; \
exit -1; \
fi;
make -C testsuite installcheck RUNTESTFLAGS="sharedbuf.exp"
make[1]: Entering directory `/home/mahesh/systemtap-latest-5Mar/testsuite'
make check-DEJAGNU RUNTESTFLAGS="sharedbuf.exp --tool_opts \'install \'"
make[2]: Entering directory `/home/mahesh/systemtap-latest-5Mar/testsuite'
srcdir=`CDPATH="${ZSH_VERSION+.}:" && cd . && pwd`; export srcdir; \
EXPECT=expect; export EXPECT; \
runtest="env SYSTEMTAP_RUNTIME=/usr/local/share/systemtap/runtime
SYSTEMTAP_TAPSET=/usr/local/share/systemtap/tapset
LD_LIBRARY_PATH=/usr/local/lib/systemtap CRASH_LIBDIR=/usr/local/lib/systemtap
PATH=/usr/local/bin:$PATH SYSTEMTAP_PATH=/usr/local/bin
SYSTEMTAP_INCLUDES=/usr/local/include ./execrc runtest"; \
if /bin/sh -c "$runtest --version" > /dev/null 2>&1; then \
exit_status=0; l='systemtap'; for tool in $l; do \
if $runtest --tool $tool --tool_opts \'\' --srcdir $srcdir sharedbuf.exp
--tool_opts \'install \'; \
then :; else exit_status=1; fi; \
done; \
else echo "WARNING: could not find \`runtest'" 1>&2; :;\
fi; \
exit $exit_status
WARNING: Couldn't find the global config file.
kernel location: /boot/vmlinux-2.6.29-rc7
kernel version: 2.6.29-rc7
systemtap location: /usr/local/bin/stap
systemtap version: version 0.9/0.140 non-git sources
Test Run By root on Fri Mar 6 12:12:42 2009
Native configuration is powerpc64-unknown-linux-gnu
=== systemtap tests ===
Schedule of variations:
unix
Running target unix
Using /usr/share/dejagnu/baseboards/unix.exp as board description file for target.
Using /usr/share/dejagnu/config/unix.exp as generic interface file for target.
Using /home/mahesh/systemtap-latest-5Mar/testsuite/config/unix.exp as
tool-and-target-specific interface file.
Host: Linux mjs22lp5 2.6.29-rc7 #1 SMP Wed Mar 4 15:11:43 IST 2009 ppc64 ppc64
ppc64 GNU/Linux
Snapshot: version 0.9/0.140 non-git sources
Distro: Red Hat Enterprise Linux Server release 5.3 (Tikanga)
Running
/home/mahesh/systemtap-latest-5Mar/testsuite/systemtap.printf/sharedbuf.exp ...
mjs22lp5 login: stap_b5c218f09f27482b6ff2b2633e6de861_352: no symbol version for
stp_print_flush_test1
stap_b5c218f09f27482b6ff2b2633e6de861_352: Unknown symbol stp_print_flush_test1
Unable to handle kernel paging request for data at address 0xd000000003ee7408
Faulting instruction address: 0xc0000000000b1454
cpu 0x1: Vector: 300 (Data Access) at [c000000009e1b990]
pc: c0000000000b1454: .load_module+0x1584/0x1708
lr: c0000000000b143c: .load_module+0x156c/0x1708
sp: c000000009e1bc10
msr: 8000000000009032
dar: d000000003ee7408
dsisr: 40000000
current = 0xc0000000424f4c90
paca = 0xc000000000b13680
pid = 3217, comm = staprun
enter ? for help
[c000000009e1bd90] c0000000000b1654 .SyS_init_module+0x7c/0x220
[c000000009e1be30] c00000000000855c syscall_exit+0x0/0x40
--- Exception: c00 (System Call) at 000004000018edd0
SP (fffffbfe560) is in userspace
1:mon> t
[c000000009e1bd90] c0000000000b1654 .SyS_init_module+0x7c/0x220
[c000000009e1be30] c00000000000855c syscall_exit+0x0/0x40
--- Exception: c00 (System Call) at 000004000018edd0
SP (fffffbfe560) is in userspace
1:mon> e
cpu 0x1: Vector: 300 (Data Access) at [c000000009e1b990]
pc: c0000000000b1454: .load_module+0x1584/0x1708
lr: c0000000000b143c: .load_module+0x156c/0x1708
sp: c000000009e1bc10
msr: 8000000000009032
dar: d000000003ee7408
dsisr: 40000000
current = 0xc0000000424f4c90
paca = 0xc000000000b13680
pid = 3217, comm = staprun
1:mon> S
msr = 8000000000001032 sprg0= 0000000000000000
pvr = 00000000003e0301 sprg1= c000000000b13680
dec = 00000000589dceec sprg2= c000000000b13680
sp = c000000009e1b3b0 sprg3= c000000000b13680
toc = c000000000a7d520 dar = d000000003ee7408
1:mon> r
R00 = 0000000000000000 R16 = 0000000000000000
R01 = c000000009e1bc10 R17 = d000000003ee4910
R02 = c000000000a7d520 R18 = 000000000000000c
R03 = 0000000000000001 R19 = d000000003e9c5e0
R04 = bbbbbbbbbbbbbbbb R20 = 00000000000000fb
R05 = 0000000000000000 R21 = fffffffffffffffe
R06 = c00000003b300620 R22 = d000000003e9b879
R07 = c00000003b300658 R23 = c000000000a33938
R08 = 000000000000005a R24 = 000000000000000b
R09 = c000000000966d94 R25 = d000000003e70000
R10 = 0000000000000001 R26 = d000000003ee6080
R11 = c00000003b303520 R27 = d000000003e9ba20
R12 = c000000009e1b990 R28 = d000000003ee7210
R13 = c000000000b13680 R29 = d000000003ee7260
R14 = 00000000000000fb R30 = c000000000a017e8
R15 = d000000003e9c620 R31 = fffffffffffffffe
pc = c0000000000b1454 .load_module+0x1584/0x1708
lr = c0000000000b143c .load_module+0x156c/0x1708
msr = 8000000000009032 cr = 44000882
ctr = 0000000000000000 xer = 0000000000000001 trap = 300
dar = d000000003ee7408 dsisr = 40000000
1:mon> di c0000000000b1654
c0000000000b1654 3800f000 li r0,-4096
c0000000000b1658 7c7f1b78 mr r31,r3
c0000000000b165c 7fa30040 cmpld cr7,r3,r0
c0000000000b1660 40fd000c ble+ cr7,c0000000000b166c #
.SyS_init_module+0x94/0x220
c0000000000b1664 7f83e378 mr r3,r28
c0000000000b1668 4800015c b c0000000000b17c4 #
.SyS_init_module+0x1ec/0x220
c0000000000b166c 7f83e378 mr r3,r28
c0000000000b1670 485a6121 bl c000000000657790 #
.mutex_unlock+0x0/0x4
c0000000000b1674 60000000 nop
c0000000000b1678 eb7e81c0 ld r27,-32320(r30)
c0000000000b167c 38800001 li r4,1
c0000000000b1680 7fe5fb78 mr r5,r31
c0000000000b1684 7f63db78 mr r3,r27
c0000000000b1688 4bfe88f1 bl c000000000099f78 #
.blocking_notifier_call_chain+0x0/0xc
c0000000000b168c 60000000 nop
c0000000000b1690 e87f0110 ld r3,272(r31)
1:mon> di c00000000000855c
c00000000000855c f86101c8 std r3,456(r1)
c000000000008560 782c0464 rldicr r12,r1,0,49
c000000000008564 e9010178 ld r8,376(r1)
c000000000008568 710a0002 andi. r10,r8,2
c00000000000856c 41820620 beq c000000000008b8c #
unrecov_restore+0x0/0xc
c000000000008570 7d4000a6 mfmsr r10
c000000000008574 794a8042 rldicl r10,r10,48,1
c000000000008578 794a8000 rotldi r10,r10,16
c00000000000857c 7d410164 mtmsrd r10,1
c000000000008580 e92c0080 ld r9,128(r12)
c000000000008584 3960fdfc li r11,-516
c000000000008588 71203d87 andi. r0,r9,15751
c00000000000858c 408200cc bne c000000000008658 #
syscall_exit_work+0x0/0xc0
c000000000008590 7c235840 cmpld r3,r11
c000000000008594 e8a101a0 ld r5,416(r1)
c000000000008598 40800070 bge c000000000008608 #
syscall_error+0x0/0x10
1:mon> di c0000000000b1454
c0000000000b1454 e87c01f8 ld r3,504(r28)
c0000000000b1458 4bffccb9 bl c0000000000ae110 #
.percpu_modfree+0x0/0x1ac
c0000000000b145c e86100e0 ld r3,224(r1)
c0000000000b1460 48068749 bl c000000000119ba8 # .kfree+0x0/0x180
c0000000000b1464 60000000 nop
c0000000000b1468 48000008 b c0000000000b1470 #
.load_module+0x15a0/0x1708
c0000000000b146c 3be0fff8 li r31,-8
c0000000000b1470 7f23cb78 mr r3,r25
c0000000000b1474 7ffcfb78 mr r28,r31
c0000000000b1478 48056995 bl c000000000107e0c # .vfree+0x0/0x18
c0000000000b147c 60000000 nop
c0000000000b1480 4800ccfd bl c0000000000be17c #
.stop_machine_destroy+0x0/0x8c
c0000000000b1484 60000000 nop
c0000000000b1488 480000f4 b c0000000000b157c #
.load_module+0x16ac/0x1708
c0000000000b148c e87e83b8 ld r3,-31816(r30)
c0000000000b1490 7fa4eb78 mr r4,r29
1:mon> d d000000003ee7408
d000000003ee7408 **************** **************** | |
1:mon>
--
Summary: 2.6.29-rc7 - kernel crash with sharedbuf.exp stap test
script
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: mahesh at linux dot vnet dot ibm dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=9927
------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.