Re: [MonetDB-users] python issues

15 Nov 2007

      Thanks Matt

for reporting this... we'll have a look into the issue shortly.

regards/

m h wrote:
...
Am also getting the following error (trying to run my sqlalchemy
monetdb backend):
*** glibc detected *** python: munmap_chunk(): invalid pointer: 0x081a0f78 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7d0aa00]
/usr/lib/libMapi.so.0(mapi_destroy+0x77)[0xb7a2940f]
/home/matt/work/vpython/lib/python2.4/site-packages/MonetDB/_MapiLib.so[0xb78085a5]
/usr/lib/libpython2.4.so.1.0(PyCFunction_Call+0x10d)[0xb7f1b420]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalFrame+0x3259)[0xb7f487b5]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalCodeEx+0x62e)[0xb7f4a17a]
/usr/lib/libpython2.4.so.1.0[0xb7f0dd0c]
Not sure if it's related....
On Nov 15, 2007 2:58 PM, m h  wrote:
...
Hello-
The simple python example from the website is crashing [0].
I get the following output when I try to run it:
matt@r52 ~/work/II/svn/trunk/2MonetDB $ python testmdb.py
(981, 'schemas', 980, None, '0', True, '0', '0')
*** glibc detected *** python: free(): invalid pointer: 0x080cf8d8 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7cdea00]
/lib/libc.so.6(cfree+0x89)[0xb7ce06f9]
/usr/lib/libMapi.so.0(mapi_destroy+0x77)[0xb7b4a40f]
/home/matt/work/vpython/lib/python2.4/site-packages/MonetDB/_MapiLib.so[0xb7fa25a5]
/usr/lib/libpython2.4.so.1.0(PyCFunction_Call+0x10d)[0xb7eef420]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalFrame+0x3259)[0xb7f1c7b5]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalCodeEx+0x62e)[0xb7f1e17a]
/usr/lib/libpython2.4.so.1.0[0xb7ee1d0c]
/usr/lib/libpython2.4.so.1.0(PyObject_Call+0x27)[0xb7ece52e]
/usr/lib/libpython2.4.so.1.0[0xb7ed378e]
/usr/lib/libpython2.4.so.1.0(PyObject_Call+0x27)[0xb7ece52e]
/usr/lib/libpython2.4.so.1.0(PyEval_CallObjectWithKeywords+0xcc)[0xb7f18c55]
/usr/lib/libpython2.4.so.1.0[0xb7ed60b5]
/usr/lib/libpython2.4.so.1.0(PyDict_DelItem+0xc8)[0xb7eee29a]
/usr/lib/libpython2.4.so.1.0[0xb7ed5755]
/usr/lib/libpython2.4.so.1.0(PyObject_SetAttr+0xbc)[0xb7ef098b]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalFrame+0x23b5)[0xb7f1b911]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalCodeEx+0x62e)[0xb7f1e17a]
/usr/lib/libpython2.4.so.1.0[0xb7ee1d0c]
/usr/lib/libpython2.4.so.1.0(PyObject_Call+0x27)[0xb7ece52e]
/usr/lib/libpython2.4.so.1.0[0xb7ed378e]
/usr/lib/libpython2.4.so.1.0(PyObject_Call+0x27)[0xb7ece52e]
/usr/lib/libpython2.4.so.1.0(PyEval_CallObjectWithKeywords+0xcc)[0xb7f18c55]
/usr/lib/libpython2.4.so.1.0[0xb7ed60b5]
/usr/lib/libpython2.4.so.1.0[0xb7eec587]
/usr/lib/libpython2.4.so.1.0(PyDict_SetItem+0xb0)[0xb7eee75d]
/usr/lib/libpython2.4.so.1.0[0xb7ed579f]
/usr/lib/libpython2.4.so.1.0(PyObject_SetAttr+0xbc)[0xb7ef098b]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalFrame+0x2372)[0xb7f1b8ce]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalFrame+0x3390)[0xb7f1c8ec]
/usr/lib/libpython2.4.so.1.0(PyEval_EvalCodeEx+0x62e)[0xb7f1e17a]
/usr/lib/libpython2.4.so.1.0[0xb7ee1d0c]
/usr/lib/libpython2.4.so.1.0(PyObject_Call+0x27)[0xb7ece52e]
/usr/lib/libpython2.4.so.1.0[0xb7ed378e]
/usr/lib/libpython2.4.so.1.0(PyObject_Call+0x27)[0xb7ece52e]
/usr/lib/libpython2.4.so.1.0(PyEval_CallObjectWithKeywords+0xcc)[0xb7f18c55]
/usr/lib/libpython2.4.so.1.0[0xb7ed60b5]
/usr/lib/libpython2.4.so.1.0[0xb7eec587]
/usr/lib/libpython2.4.so.1.0(PyDict_SetItem+0xb0)[0xb7eee75d]
/usr/lib/libpython2.4.so.1.0(_PyModule_Clear+0x148)[0xb7eef9c3]
/usr/lib/libpython2.4.so.1.0(PyImport_Cleanup+0x1ee)[0xb7f2fc18]
/usr/lib/libpython2.4.so.1.0(Py_Finalize+0xf9)[0xb7f35261]
/usr/lib/libpython2.4.so.1.0(Py_Main+0x9ad)[0xb7f3b1e9]
python(main+0x1a)[0x804866e]
/lib/libc.so.6(__libc_start_main+0xdc)[0xb7c8efdc]
python[0x80485b1]
======= Memory map: ========
08048000-08049000 r-xp 00000000 08:03 1772622
/home/matt/work/vpython/bin/python
08049000-0804a000 rw-p 00000000 08:03 1772622
/home/matt/work/vpython/bin/python
0804a000-080f5000 rw-p 0804a000 00:00 0          [heap]
b7800000-b7821000 rw-p b7800000 00:00 0
b7821000-b7900000 ---p b7821000 00:00 0
b79e1000-b79e9000 r-xp 00000000 08:03 4735072    /lib/libnss_files-2.6.1.so
b79e9000-b79ea000 r--p 00007000 08:03 4735072    /lib/libnss_files-2.6.1.so
b79ea000-b79eb000 rw-p 00008000 08:03 4735072    /lib/libnss_files-2.6.1.so
b79eb000-b79f6000 r-xp 00000000 08:03 4669940    /lib/libbz2.so.1.0.4
b79f6000-b79f7000 r--p 0000a000 08:03 4669940    /lib/libbz2.so.1.0.4
b79f7000-b79f8000 rw-p 0000b000 08:03 4669940    /lib/libbz2.so.1.0.4
b79f8000-b7a06000 r-xp 00000000 08:03 2621464    /lib/libz.so.1.2.3
b7a06000-b7a07000 rw-p 0000d000 08:03 2621464    /lib/libz.so.1.2.3
b7a07000-b7a0d000 r-xp 00000000 08:03 541522     /usr/lib/libstream.so.0.0.0
b7a0d000-b7a0e000 r--p 00005000 08:03 541522     /usr/lib/libstream.so.0.0.0
b7a0e000-b7a0f000 rw-p 00006000 08:03 541522     /usr/lib/libstream.so.0.0.0
b7a0f000-b7af6000 r-xp 00000000 08:03 3432882    /usr/lib/libcrypto.so.0.9.8
b7af6000-b7b0b000 rw-p 000e6000 08:03 3432882    /usr/lib/libcrypto.so.0.9.8
b7b0b000-b7b0e000 rw-p b7b0b000 00:00 0
b7b0e000-b7b3d000 r-xp 00000000 08:03 3432885    /usr/lib/libssl.so.0.9.8
b7b3d000-b7b41000 rw-p 0002e000 08:03 3432885    /usr/lib/libssl.so.0.9.8
b7b41000-b7b4c000 r-xp 00000000 08:03 541530     /usr/lib/libMapi.so.0.0.0
b7b4c000-b7b4d000 r--p 0000a000 08:03 541530     /usr/lib/libMapi.so.0.0.0
b7b4d000-b7b4e000 rw-p 0000b000 08:03 541530     /usr/lib/libMapi.so.0.0.0
b7b73000-b7c79000 rw-p b7b73000 00:00 0
b7c79000-b7da3000 r-xp 00000000 08:03 4735105    /lib/libc-2.6.1.so
b7da3000-b7da5000 r--p 0012a000 08:03 4735105    /lib/libc-2.6.1.so
b7da5000-b7da6000 rw-p 0012c000 08:03 4735105    /lib/libc-2.6.1.so
b7da6000-b7da9000 rw-p b7da6000 00:00 0
b7da9000-b7db2000 r-xp 00000000 08:03 1492902
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/libgcc_s.so.1
b7db2000-b7db3000 rw-p 00009000 08:03 1492902
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/libgcc_s.so.1
b7db3000-b7db4000 rw-p b7db3000 00:00 0
b7db4000-b7dd8000 r-xp 00000000 08:03 4735063    /lib/libm-2.6.1.so
b7dd8000-b7dd9000 r--p 00023000 08:03 4735063    /lib/libm-2.6.1.so
b7dd9000-b7dda000 rw-p 00024000 08:03 4735063    /lib/libm-2.6.1.so
b7dda000-b7e85000 r-xp 00000000 08:03 1712627
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libstdc++.so.5.0.7
b7e85000-b7e8a000 rw-p 000aa000 08:03 1712627
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libstdc++.so.5.0.7
b7e8a000-b7e8f000 rw-p b7e8a000 00:00 0
b7e8f000-b7e91000 r-xp 00000000 08:03 4735083    /lib/libutil-2.6.1.so
b7e91000-b7e92000 r--p 00001000 08:03 4735083    /lib/libutil-2.6.1.so
b7e92000-b7e93000 rw-p 00002000 08:03 4735083    /lib/libutil-2.6.1.so
b7e93000-b7e95000 r-xp 00000000 08:03 4735065    /lib/libdl-2.6.1.so
b7e95000-b7e96000 r--p 00001000 08:03 4735065    /lib/libdl-2.6.1.so
b7e96000-b7e97000 rw-p 00002000 08:03 4735065    /lib/libdl-2.6.1.so
b7e97000-b7eaa000 r-xp 00000000 08:03 4735068    /lib/libpthread-2.6.1.so
b7eaa000-b7eab000 r--p 00013000 08:03 4735068    /lib/libpthread-2.6.1.so
b7eab000-b7eac000 rw-p 00014000 08:03 4735068    /lib/libpthread-2.6.1.so
b7eac000-b7eae000 rw-p b7eac000 00:00 0
b7eae000-b7f62000 r-xp 00000000 08:03 2050159    /usr/lib/libpython2.4.so.1.0
b7f62000-b7f63000 r--p 000b3000 08:03 2050159    /usr/lib/libpython2.4.so.1.0
b7f63000-b7f85000 rw-p 000b4000 08:03 2050159    /usr/lib/libpython2.4.so.1.0
b7f85000-b7f8b000 rw-p b7f85000 00:00 0
b7f8b000-b7f8f000 r-xp 00000000 08:03 4166255
/usr/lib/python2.4/lib-dynload/strop.so
b7f8f000-b7f90000 r--p 00003000 08:03 4166255
/usr/lib/python2.4/lib-dynload/strop.so
b7f90000-b7f92000 rw-p 00004000 08:03 4166255
/usr/lib/python2.4/lib-dynload/strop.so
b7f92000-b7f94000 r-xp 00000000 08:03 541562     /usr/lib/libmutils.so.0.0.0
b7f94000-b7f95000 r--p 00001000 08:03 541562     /usr/lib/libmutils.so.0.0.0
b7f95000-b7f96000 rw-p 00002000 08:03 541562     /usr/lib/libmutils.so.0.0.0
b7f96000-b7fab000 r-xp 00000000 08:03 606460
/usr/lib/python2.4/site-packages/MonetDB/_MapiLib.so.0.0.0
b7fab000-b7fac000 r--p 00014000 08:03 606460
/usr/lib/python2.4/site-packages/MonetDB/_MapiLib.so.0.0.0
b7fac000-b7fad000 rw-p 00015000 08:03 606460
/usr/lib/python2.4/site-packages/MonetDB/_MapiLib.so.0.0.0
b7fad000-b7fae000 rw-p b7fad000 00:00 0
b7fb1000-b7fb2000 r-xp b7fb1000 00:00 0          [vdso]
b7fb2000-b7fcc000 r-xp 00000000 08:03 4735086    /lib/ld-2.6.1.so
b7fcc000-b7fcd000 r--p 00019000 08:03 4735086    /lib/ld-2.6.1.so
b7fcd000-b7fce000 rw-p 0001a000 08:03 4735086    /lib/ld-2.6.1.so
bff36000-bff58000 rw-p bff36000 00:00 0          [stack]
Aborted
matt@r52 ~/work/II/svn/trunk/2MonetDB $
I'm running the latest ebuild for gentoo.
Any suggestions to remove crashing would be great.
thanks much,
matt
0 -http://monetdb.cwi.nl/projects/monetdb/SQL/Documentation/The-Python-Library....
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Re: [MonetDB-users] python issues

Martin Kersten