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[Bug runtime/11352] New: sdt.exp kprobe tests FAIL with SEGV on 2.6.32.9-67.fc12.x86_64


New x86_64 fedora 12 kernel based on 2.6.23.9 makes sdt.exp kprobes fail with a
SEGV in the child process:

FAIL: sdt "" kprobe
FAIL: sdt c++ "" kprobe
FAIL: sdt additional_flags=-std=gnu89 kprobe
FAIL: sdt c++ additional_flags=-std=gnu89 kprobe
FAIL: sdt additional_flags=-ansi kprobe
FAIL: sdt c++ additional_flags=-ansi kprobe
FAIL: sdt additional_flags=-pedantic kprobe
FAIL: sdt c++ additional_flags=-pedantic kprobe
FAIL: sdt additional_flags=-ansi additional_flags=-pedantic kprobe
FAIL: sdt c++ additional_flags=-ansi additional_flags=-pedantic kprobe
FAIL: sdt additional_flags=-O2 kprobe
FAIL: sdt c++ additional_flags=-O2 kprobe
FAIL: sdt additional_flags="-O3" kprobe
FAIL: sdt c++ additional_flags="-O3" kprobe
FAIL: sdt_misc (0) kprobe

All non-kprobe based variants PASS. All kprobe based variants fail similarly:

Executing on host: gcc /home/mark/src/systemtap/testsuite/systemtap.base/sdt.c  
-g -I/home/mark/src/systemtap/testsuite/../includes -Wall -Wextra -Werror -DEXPE
RIMENTAL_KPROBE_SDT  -lm   -o sdt.c.exe.0    (timeout = 300)
PASS: compiling sdt.c "" kprobe
executing: stap /home/mark/src/systemtap/testsuite/systemtap.base/sdt.stp
sdt.c.exe.0 -c ./sdt.c.exe.0
FAIL: sdt "" kprobe
line 1: expected "1"
Got "child killed: segmentation violation"
Executing on host: gcc /home/mark/src/systemtap/testsuite/systemtap.base/sdt.c 
-g -I/home/mark/src/systemtap/testsuite/../includes -Wall -Werror -x c++
-DEXPERIMENTAL_KPROBE_SDT  -lm   -o sdt.cxx.exe.0    (timeout = 300)
PASS: compiling sdt.c c++ "" kprobe
executing: stap /home/mark/src/systemtap/testsuite/systemtap.base/sdt.stp
sdt.cxx.exe.0 -c ./sdt.cxx.exe.0
FAIL: sdt c++ "" kprobe
line 1: expected "1"
Got "child killed: segmentation violation"

-- 
           Summary: sdt.exp kprobe tests FAIL with SEGV on 2.6.32.9-
                    67.fc12.x86_64
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: mjw at redhat dot com
                CC: scox at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=11352

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