This segfault appears to occur within the JVM code on both oracle-java8-jdk
and
java-1.8.0-openjdk-amd64. I installed the JVM debugging symbols but it
didn't seem to help.
Occurs under python 2 and 3. I don't know how to debug this any further.
0 joshua@buttercup unnaturalcode 17609$ python3 -m virtualenv -p python3
venv3 Already using interpreter /usr/bin/python3
Using base prefix '/usr'
New python executable in /home/joshua/unnaturalcode/venv3/bin/python3
Also creating executable in /home/joshua/unnaturalcode/venv3/bin/python
Installing setuptools, pkg_resources, pip, wheel...done.
0 joshua@buttercup unnaturalcode 17610$ source venv3/bin/activate
0 joshua@buttercup unnaturalcode 17611$ which python
/home/joshua/unnaturalcode/venv3/bin/python
0 joshua@buttercup unnaturalcode 17616$ pip install jcc --no-cache-dir
Collecting jcc
Downloading JCC-3.0.tar.gz (176kB)
100% |████████████████████████████████| 184kB 3.4MB/s
Installing collected packages: jcc
Running setup.py install for jcc ... done
Successfully installed jcc-3.0
0 joshua@buttercup unnaturalcode 17617$ gdb --args
/home/joshua/unnaturalcode/venv3/bin/python -m jcc --jar
java/lex-java/target/lex-java-1.0-SNAPSHOT.jar
GNU gdb (Debian 7.12-6) 7.12.0.20161007-git
Copyright (C) 2016 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 "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /home/joshua/unnaturalcode/venv3/bin/python...Reading
symbols from
/usr/lib/debug/.build-id/db/fc2e1a3c58b6d241b3f9af7b2fb3a24b81b90e.debug...done.
done.
(gdb) r
Starting program: /home/joshua/unnaturalcode/venv3/bin/python -m jcc --jar
java/lex-java/target/lex-java-1.0-SNAPSHOT.jar
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Installing openjdk unwinder
Traceback (most recent call last):
File
"/usr/share/gdb/auto-load/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/
libjvm.so-gdb.py", line 52, in <module>
class Types(object):
File
"/usr/share/gdb/auto-load/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/
libjvm.so-gdb.py", line 66, in Types
nmethodp_t = gdb.lookup_type('nmethod').pointer()
gdb.error: No type named nmethod.
Program received signal SIGSEGV, Segmentation fault.
0x00007fffe47f22b4 in ?? ()
(gdb) bt
#0 0x00007fffe47f22b4 in ?? ()
#1 0x0000000000000246 in ?? ()
#2 0x00007fffe47f2160 in ?? ()
#3 0x00007fffffffc8c0 in ?? ()
#4 0x00007fffffffc860 in ?? ()
#5 0x00007ffff600d075 in VM_Version::get_processor_features() ()
from /usr/lib/jvm/java-1.8.0-openjdk-amd64/jre/lib/amd64/server/libjvm.so
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
--
Joshua Charles Campbell
Ph.D. Student and Research Assistant
Department of Computing Science
University of Alberta
josh...@ualberta.ca
