Level geometry and the Heap Size

All right, building with “–installer” instead of “–wheel” produces a working build.

However, this version of the engine doesn’t seem to work properly: while my level-editor runs happily, attempting to load a level–including one that worked happily under 1.9.4–results in the program exiting with an error code.

In the case of one level, the result was:

Process finished with exit code 139

(Which I believe means “invalid memory access”.)

In the case of another, the result was rather longer:

*** Error in `/usr/bin/python2.7': free(): invalid size: 0x00007f1f498e4b70 *** ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f1f569707e5] /lib/x86_64-linux-gnu/libc.so.6(+0x8037a)[0x7f1f5697937a] /lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7f1f5697d53c] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(+0x34a926)[0x7f1f5401a926] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN9PandaNode5CDataD1Ev+0x1dd)[0x7f1f53ff9d6d] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN9PandaNode5CDataD0Ev+0xc)[0x7f1f53ffa0ac] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN22PipelineCyclerTrueImplD1Ev+0xe2)[0x7f1f541c50b2] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN9PandaNodeD1Ev+0x20a)[0x7f1f54009eaa] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN13CollisionNodeD0Ev+0x58)[0x7f1f54122b88] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN17NodePathComponentD0Ev+0x55)[0x7f1f54010a15] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(+0x347821)[0x7f1f54017821] /usr/lib/x86_64-linux-gnu/panda3d/libpandabullet.so.1.10(_ZN12BulletHelper21from_collision_solidsER8NodePathb+0x862)[0x7f1f4e5b7a12] /usr/lib/python2.7/dist-packages/panda3d/bullet.so(+0x6fb63)[0x7f1f4e86fb63] /usr/bin/python2.7(PyEval_EvalFrameEx+0x68a)[0x4c45fa] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7(PyEval_EvalFrameEx+0x6118)[0x4ca088] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7(PyEval_EvalCode+0x19)[0x4c24a9] /usr/bin/python2.7(PyRun_StringFlags+0x76)[0x520566] /usr/bin/python2.7(PyEval_EvalFrameEx+0x8e26)[0x4ccd96] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7(PyEval_EvalFrameEx+0x686f)[0x4ca7df] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7[0x4de69e] /usr/bin/python2.7(PyObject_Call+0x43)[0x4b0c93] /usr/bin/python2.7(PyEval_EvalFrameEx+0x2f86)[0x4c6ef6] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7[0x4de69e] /usr/bin/python2.7(PyObject_Call+0x43)[0x4b0c93] /usr/bin/python2.7(PyEval_EvalFrameEx+0x2f86)[0x4c6ef6] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7(PyEval_EvalFrameEx+0x6118)[0x4ca088] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7[0x4de69e] /usr/bin/python2.7(PyObject_Call+0x43)[0x4b0c93] /usr/bin/python2.7[0x4f452e] /usr/bin/python2.7(PyObject_Call+0x43)[0x4b0c93] /usr/lib/python2.7/dist-packages/panda3d/core.so(+0x707243)[0x7f1f54f2c243] /usr/lib/python2.7/dist-packages/panda3d/core.so(+0x70979c)[0x7f1f54f2e79c] /usr/lib/python2.7/dist-packages/panda3d/core.so(+0x7096c5)[0x7f1f54f2e6c5] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN9AsyncTask18unlock_and_do_taskEv+0x146)[0x7f1f541ca186] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN14AsyncTaskChain16service_one_taskEPNS_20AsyncTaskChainThreadE+0x23f)[0x7f1f541ceb2f] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN14AsyncTaskChain7do_pollEv+0x1a2)[0x7f1f541cda32] /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10(_ZN16AsyncTaskManager4pollEv+0x39)[0x7f1f541d4439] /usr/lib/python2.7/dist-packages/panda3d/core.so(+0x4421f1)[0x7f1f54c671f1] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5770)[0x4c96e0] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7(PyEval_EvalFrameEx+0x686f)[0x4ca7df] /usr/bin/python2.7(PyEval_EvalFrameEx+0x5e0f)[0x4c9d7f] /usr/bin/python2.7(PyEval_EvalCodeEx+0x255)[0x4c2705] /usr/bin/python2.7(PyEval_EvalCode+0x19)[0x4c24a9] /usr/bin/python2.7[0x4f19ef] /usr/bin/python2.7(PyRun_FileExFlags+0x82)[0x4ec372] /usr/bin/python2.7(PyRun_SimpleFileExFlags+0x191)[0x4eaaf1] /usr/bin/python2.7(Py_Main+0x6c8)[0x49e208] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f1f56919830] ======= Memory map: ======== 00400000-006e9000 r-xp 00000000 08:07 22937612 /usr/bin/python2.7 008e8000-008ea000 r--p 002e8000 08:07 22937612 /usr/bin/python2.7 008ea000-00961000 rw-p 002ea000 08:07 22937612 /usr/bin/python2.7 00961000-00984000 rw-p 00000000 00:00 0 02813000-1833d000 rw-p 00000000 00:00 0 [heap] 4037f000-40420000 rw-p 00000000 00:00 0 406ce000-4076f000 rw-p 00000000 00:00 0 4158b000-4158d000 r-xs 00000000 08:07 18743697 /tmp/.glBIewAa (deleted) 7f1f24000000-7f1f24021000 rw-p 00000000 00:00 0 7f1f24021000-7f1f28000000 ---p 00000000 00:00 0 7f1f28ab2000-7f1f28eb2000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f28eb2000-7f1f292b2000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f296b2000-7f1f29ab2000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f29eb2000-7f1f2a2b2000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f2a2b2000-7f1f2bfff000 rw-p 00000000 00:00 0 7f1f30000000-7f1f30021000 rw-p 00000000 00:00 0 7f1f30021000-7f1f34000000 ---p 00000000 00:00 0 7f1f342b1000-7f1f37fff000 rw-p 00000000 00:00 0 7f1f37fff000-7f1f3c000000 rw-s 00000000 00:15 24127 /dev/shm/pulse-shm-860469745 7f1f3c000000-7f1f3c021000 rw-p 00000000 00:00 0 7f1f3c021000-7f1f40000000 ---p 00000000 00:00 0 7f1f4032b000-7f1f4068b000 rw-p 00000000 00:00 0 7f1f4068b000-7f1f40a8b000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f40a8b000-7f1f40e8b000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f40e8b000-7f1f4108b000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f4108b000-7f1f41e6b000 rw-p 00000000 00:00 0 7f1f41e6b000-7f1f41f90000 r-xp 00000000 08:07 22947993 /usr/lib/x86_64-linux-gnu/panda3d/libpandaegg.so.1.10 7f1f41f90000-7f1f42190000 ---p 00125000 08:07 22947993 /usr/lib/x86_64-linux-gnu/panda3d/libpandaegg.so.1.10 7f1f42190000-7f1f42195000 r--p 00125000 08:07 22947993 /usr/lib/x86_64-linux-gnu/panda3d/libpandaegg.so.1.10 7f1f42195000-7f1f42197000 rw-p 0012a000 08:07 22947993 /usr/lib/x86_64-linux-gnu/panda3d/libpandaegg.so.1.10 7f1f42197000-7f1f42198000 rw-p 00000000 00:00 0 7f1f421a2000-7f1f421c2000 rw-p 00000000 00:00 0 7f1f421c2000-7f1f42295000 r-xp 00000000 08:07 22947992 /usr/lib/x86_64-linux-gnu/panda3d/libp3ptloader.so 7f1f42295000-7f1f42495000 ---p 000d3000 08:07 22947992 /usr/lib/x86_64-linux-gnu/panda3d/libp3ptloader.so 7f1f42495000-7f1f4249b000 r--p 000d3000 08:07 22947992 /usr/lib/x86_64-linux-gnu/panda3d/libp3ptloader.so 7f1f4249b000-7f1f4249e000 rw-p 000d9000 08:07 22947992 /usr/lib/x86_64-linux-gnu/panda3d/libp3ptloader.so 7f1f4249e000-7f1f424df000 rw-p 00000000 00:00 0 7f1f424df000-7f1f424e0000 ---p 00000000 00:00 0 7f1f424e0000-7f1f425e0000 rw-p 00000000 00:00 0 7f1f425e0000-7f1f465e1000 rw-s 00000000 00:15 866993 /dev/shm/pulse-shm-3682529667 7f1f465e1000-7f1f465e2000 ---p 00000000 00:00 0 7f1f465e2000-7f1f46de2000 rw-p 00000000 00:00 0 7f1f46de2000-7f1f46df4000 r-xp 00000000 08:07 21758199 /lib/x86_64-linux-gnu/libgpg-error.so.0.17.0 7f1f46df4000-7f1f46ff4000 ---p 00012000 08:07 21758199 /lib/x86_64-linux-gnu/libgpg-error.so.0.17.0 7f1f46ff4000-7f1f46ff5000 r--p 00012000 08:07 21758199 /lib/x86_64-linux-gnu/libgpg-error.so.0.17.0 7f1f46ff5000-7f1f46ff6000 rw-p 00013000 08:07 21758199 /lib/x86_64-linux-gnu/libgpg-error.so.0.17.0 7f1f46ff6000-7f1f4700d000 r-xp 00000000 08:07 21761866 /lib/x86_64-linux-gnu/libresolv-2.23.so 7f1f4700d000-7f1f4720d000 ---p 00017000 08:07 21761866 /lib/x86_64-linux-gnu/libresolv-2.23.so 7f1f4720d000-7f1f4720e000 r--p 00017000 08:07 21761866 /lib/x86_64-linux-gnu/libresolv-2.23.so 7f1f4720e000-7f1f4720f000 rw-p 00018000 08:07 21761866 /lib/x86_64-linux-gnu/libresolv-2.23.so 7f1f4720f000-7f1f47211000 rw-p 00000000 00:00 0 7f1f47211000-7f1f4729e000 r-xp 00000000 08:07 22945704 /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2.0.11 7f1f4729e000-7f1f4749d000 ---p 0008d000 08:07 22945704 /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2.0.11 7f1f4749d000-7f1f474b9000 r--p 0008c000 08:07 22945704 /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2.0.11 7f1f474b9000-7f1f474ba000 rw-p 000a8000 08:07 22945704 /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2.0.11 7f1f474ba000-7f1f4752d000 r-xp 00000000 08:07 22945825 /usr/lib/x86_64-linux-gnu/libFLAC.so.8.3.0 7f1f4752d000-7f1f4772d000 ---p 00073000 08:07 22945825 /usr/lib/x86_64-linux-gnu/libFLAC.so.8.3.0 7f1f4772d000-7f1f4772e000 r--p 00073000 08:07 22945825 /usr/lib/x86_64-linux-gnu/libFLAC.so.8.3.0 7f1f4772e000-7f1f4772f000 rw-p 00074000 08:07 22945825 /usr/lib/x86_64-linux-gnu/libFLAC.so.8.3.0 7f1f4772f000-7f1f47745000 r-xp 00000000 08:07 21758784 /lib/x86_64-linux-gnu/libnsl-2.23.so 7f1f47745000-7f1f47944000 ---p 00016000 08:07 21758784 /lib/x86_64-linux-gnu/libnsl-2.23.so 7f1f47944000-7f1f47945000 r--p 00015000 08:07 21758784 /lib/x86_64-linux-gnu/libnsl-2.23.so 7f1f47945000-7f1f47946000 rw-p 00016000 08:07 21758784 /lib/x86_64-linux-gnu/libnsl-2.23.so 7f1f47946000-7f1f47948000 rw-p 00000000 00:00 0 7f1f47948000-7f1f47a20000 r-xp 00000000 08:07 21758228 /lib/x86_64-linux-gnu/libgcrypt.so.20.0.5 7f1f47a20000-7f1f47c1f000 ---p 000d8000 08:07 21758228 /lib/x86_64-linux-gnu/libgcrypt.so.20.0.5 7f1f47c1f000-7f1f47c20000 r--p 000d7000 08:07 21758228 /lib/x86_64-linux-gnu/libgcrypt.so.20.0.5 7f1f47c20000-7f1f47c28000 rw-p 000d8000 08:07 21758228 /lib/x86_64-linux-gnu/libgcrypt.so.20.0.5 7f1f47c28000-7f1f47c29000 rw-p 00000000 00:00 0 7f1f47c29000-7f1f47c4a000 r-xp 00000000 08:07 21762435 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7f1f47c4a000-7f1f47e49000 ---p 00021000 08:07 21762435 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7f1f47e49000-7f1f47e4a000 r--p 00020000 08:07 21762435 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7f1f47e4a000-7f1f47e4b000 rw-p 00021000 08:07 21762435 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7f1f47e4b000-7f1f47e6a000 r-xp 00000000 08:07 21758154 /lib/x86_64-linux-gnu/libselinux.so.1 7f1f47e6a000-7f1f48069000 ---p 0001f000 08:07 21758154 /lib/x86_64-linux-gnu/libselinux.so.1 7f1f48069000-7f1f4806a000 r--p 0001e000 08:07 21758154 /lib/x86_64-linux-gnu/libselinux.so.1 7f1f4806a000-7f1f4806b000 rw-p 0001f000 08:07 21758154 /lib/x86_64-linux-gnu/libselinux.so.1 7f1f4806b000-7f1f4806d000 rw-p 00000000 00:00 0 7f1f4806d000-7f1f48072000 r-xp 00000000 08:07 22946050 /usr/lib/x86_64-linux-gnu/libasyncns.so.0.3.1 7f1f48072000-7f1f48271000 ---p 00005000 08:07 22946050 /usr/lib/x86_64-linux-gnu/libasyncns.so.0.3.1 7f1f48271000-7f1f48272000 r--p 00004000 08:07 22946050 /usr/lib/x86_64-linux-gnu/libasyncns.so.0.3.1 7f1f48272000-7f1f48273000 rw-p 00005000 08:07 22946050 /usr/lib/x86_64-linux-gnu/libasyncns.so.0.3.1 7f1f48273000-7f1f482d5000 r-xp 00000000 08:07 22938379 /usr/lib/x86_64-linux-gnu/libsndfile.so.1.0.25 7f1f482d5000-7f1f484d5000 ---p 00062000 08:07 22938379 /usr/lib/x86_64-linux-gnu/libsndfile.so.1.0.25 7f1f484d5000-7f1f484d7000 r--p 00062000 08:07 22938379 /usr/lib/x86_64-linux-gnu/libsndfile.so.1.0.25 7f1f484d7000-7f1f484d8000 rw-p 00064000 08:07 22938379 /usr/lib/x86_64-linux-gnu/libsndfile.so.1.0.25 7f1f484d8000-7f1f484dc000 rw-p 00000000 00:00 0 7f1f484dc000-7f1f484e4000 r-xp 00000000 08:07 21762552 /lib/x86_64-linux-gnu/libwrap.so.0.7.6 7f1f484e4000-7f1f486e3000 ---p 00008000 08:07 21762552 /lib/x86_64-linux-gnu/libwrap.so.0.7.6 7f1f486e3000-7f1f486e4000 r--p 00007000 08:07 21762552 /lib/x86_64-linux-gnu/libwrap.so.0.7.6 7f1f486e4000-7f1f486e5000 rw-p 00008000 08:07 21762552 /lib/x86_64-linux-gnu/libwrap.so.0.7.6 7f1f486e5000-7f1f486e6000 rw-p 00000000 00:00 0 7f1f486e6000-7f1f48766000 r-xp 00000000 08:07 21763840 /lib/x86_64-linux-gnu/libsystemd.so.0.14.0 7f1f48766000-7f1f48769000 r--p 0007f000 08:07 21763840 /lib/x86_64-linux-gnu/libsystemd.so.0.14.0 7f1f48769000-7f1f4876a000 rw-p 00082000 08:07 21763840 /lib/x86_64-linux-gnu/libsystemd.so.0.14.0 7f1f4876a000-7f1f4876b000 rw-p 00000000 00:00 0 7f1f4876b000-7f1f487b5000 r-xp 00000000 08:07 21761384 /lib/x86_64-linux-gnu/libdbus-1.so.3.14.6 7f1f487b5000-7f1f489b5000 ---p 0004a000 08:07 21761384 /lib/x86_64-linux-gnu/libdbus-1.so.3.14.6 7f1f489b5000-7f1f489b6000 r--p 0004a000 08:07 21761384 /lib/x86_64-linux-gnu/libdbus-1.so.3.14.6 7f1f489b6000-7f1f489b7000 rw-p 0004b000 08:07 21761384 /lib/x86_64-linux-gnu/libdbus-1.so.3.14.6 7f1f489b7000-7f1f48a31000 r-xp 00000000 08:07 23330919 /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so 7f1f48a31000-7f1f48c30000 ---p 0007a000 08:07 23330919 /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so 7f1f48c30000-7f1f48c31000 r--p 00079000 08:07 23330919 /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so 7f1f48c31000-7f1f48c32000 rw-p 0007a000 08:07 23330919 /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so 7f1f48c32000-7f1f48c3c000 r-xp 00000000 08:07 21762428 /lib/x86_64-linux-gnu/libjson-c.so.2.0.0 7f1f48c3c000-7f1f48e3b000 ---p 0000a000 08:07 21762428 /lib/x86_64-linux-gnu/libjson-c.so.2.0.0 7f1f48e3b000-7f1f48e3c000 r--p 00009000 08:07 21762428 /lib/x86_64-linux-gnu/libjson-c.so.2.0.0 7f1f48e3c000-7f1f48e3d000 rw-p 0000a000 08:07 21762428 /lib/x86_64-linux-gnu/libjson-c.so.2.0.0 7f1f48e3d000-7f1f48e8b000 r-xp 00000000 08:07 22950400 /usr/lib/x86_64-linux-gnu/libpulse.so.0.19.0 7f1f48e8b000-7f1f4908b000 ---p 0004e000 08:07 22950400 /usr/lib/x86_64-linux-gnu/libpulse.so.0.19.0 7f1f4908b000-7f1f4908c000 r--p 0004e000 08:07 22950400 /usr/lib/x86_64-linux-gnu/libpulse.so.0.19.0 7f1f4908c000-7f1f4908d000 rw-p 0004f000 08:07 22950400 /usr/lib/x86_64-linux-gnu/libpulse.so.0.19.0 7f1f4908d000-7f1f49094000 r-xp 00000000 08:07 21761329 /lib/x86_64-linux-gnu/librt-2.23.so 7f1f49094000-7f1f49293000 ---p 00007000 08:07 21761329 /lib/x86_64-linux-gnu/librt-2.23.so 7f1f49293000-7f1f49294000 r--p 00006000 08:07 21761329 /lib/x86_64-linux-gnu/librt-2.23.so 7f1f49294000-7f1f49295000 rw-p 00007000 08:07 21761329 /lib/x86_64-linux-gnu/librt-2.23.so 7f1f49295000-7f1f492fe000 r-xp 00000000 08:07 22940413 /usr/lib/x86_64-linux-gnu/libopenal.so.1.16.0 7f1f492fe000-7f1f494fd000 ---p 00069000 08:07 22940413 /usr/lib/x86_64-linux-gnu/libopenal.so.1.16.0 7f1f494fd000-7f1f49501000 r--p 00068000 08:07 22940413 /usr/lib/x86_64-linux-gnu/libopenal.so.1.16.0 7f1f49501000-7f1f49502000 rw-p 0006c000 08:07 22940413 /usr/lib/x86_64-linux-gnu/libopenal.so.1.16.0 7f1f49502000-7f1f49505000 rw-p 00000000 00:00 0 7f1f49505000-7f1f4951c000 r-xp 00000000 08:07 22947998 /usr/lib/x86_64-linux-gnu/panda3d/libp3openal_audio.so 7f1f4951c000-7f1f4971b000 ---p 00017000 08:07 22947998 /usr/lib/x86_64-linux-gnu/panda3d/libp3openal_audio.so 7f1f4971b000-7f1f4971c000 r--p 00016000 08:07 22947998 /usr/lib/x86_64-linux-gnu/panda3d/libp3openal_audio.so 7f1f4971c000-7f1f4971d000 rw-p 00017000 08:07 22947998 /usr/lib/x86_64-linux-gnu/panda3d/libp3openal_audio.so 7f1f4971d000-7f1f4972d000 rw-p 00000000 00:00 0 7f1f4972d000-7f1f497ad000 rw-s 00000000 00:06 792 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22942186 /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0 7f1f4a888000-7f1f4aa87000 ---p 00021000 08:07 22942186 /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0 7f1f4aa87000-7f1f4aa88000 r--p 00020000 08:07 22942186 /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0 7f1f4aa88000-7f1f4aa89000 rw-p 00021000 08:07 22942186 /usr/lib/x86_64-linux-gnu/libxcb.so.1.1.0 7f1f4aa89000-7f1f4aa9a000 r-xp 00000000 08:07 22945975 /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0 7f1f4aa9a000-7f1f4ac99000 ---p 00011000 08:07 22945975 /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0 7f1f4ac99000-7f1f4ac9a000 r--p 00010000 08:07 22945975 /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0 7f1f4ac9a000-7f1f4ac9b000 rw-p 00011000 08:07 22945975 /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0 7f1f4ac9b000-7f1f4c138000 r-xp 00000000 08:07 23081613 /usr/lib/nvidia-384/libnvidia-glcore.so.384.98 7f1f4c138000-7f1f4c159000 rwxp 0149d000 08:07 23081613 /usr/lib/nvidia-384/libnvidia-glcore.so.384.98 7f1f4c159000-7f1f4c53b000 r-xp 014be000 08:07 23081613 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/usr/lib/x86_64-linux-gnu/panda3d/libp3direct.so.1.10 7f1f4f558000-7f1f4f758000 ---p 00040000 08:07 22947996 /usr/lib/x86_64-linux-gnu/panda3d/libp3direct.so.1.10 7f1f4f758000-7f1f4f75a000 r--p 00040000 08:07 22947996 /usr/lib/x86_64-linux-gnu/panda3d/libp3direct.so.1.10 7f1f4f75a000-7f1f4f75b000 rw-p 00042000 08:07 22947996 /usr/lib/x86_64-linux-gnu/panda3d/libp3direct.so.1.10 7f1f4f75b000-7f1f4f81d000 r-xp 00000000 08:07 23071249 /usr/lib/python2.7/dist-packages/panda3d/direct.so 7f1f4f81d000-7f1f4fa1d000 ---p 000c2000 08:07 23071249 /usr/lib/python2.7/dist-packages/panda3d/direct.so 7f1f4fa1d000-7f1f4fa1f000 r--p 000c2000 08:07 23071249 /usr/lib/python2.7/dist-packages/panda3d/direct.so 7f1f4fa1f000-7f1f4fa21000 rw-p 000c4000 08:07 23071249 /usr/lib/python2.7/dist-packages/panda3d/direct.so 7f1f4fa21000-7f1f4fb73000 rw-p 00000000 00:00 0 7f1f4fb8c000-7f1f4fc2c000 rw-p 00000000 00:00 0 7f1f4fc2c000-7f1f4fc32000 r-xp 00000000 08:07 23077834 /usr/lib/python2.7/lib-dynload/_hashlib.x86_64-linux-gnu.so 7f1f4fc32000-7f1f4fe31000 ---p 00006000 08:07 23077834 /usr/lib/python2.7/lib-dynload/_hashlib.x86_64-linux-gnu.so 7f1f4fe31000-7f1f4fe32000 r--p 00005000 08:07 23077834 /usr/lib/python2.7/lib-dynload/_hashlib.x86_64-linux-gnu.so 7f1f4fe32000-7f1f4fe33000 rw-p 00006000 08:07 23077834 /usr/lib/python2.7/lib-dynload/_hashlib.x86_64-linux-gnu.so 7f1f4fe33000-7f1f50173000 rw-p 00000000 00:00 0 7f1f50174000-7f1f50234000 rw-p 00000000 00:00 0 7f1f50234000-7f1f502a2000 r-xp 00000000 08:07 21758127 /lib/x86_64-linux-gnu/libpcre.so.3.13.2 7f1f502a2000-7f1f504a2000 ---p 0006e000 08:07 21758127 /lib/x86_64-linux-gnu/libpcre.so.3.13.2 7f1f504a2000-7f1f504a3000 r--p 0006e000 08:07 21758127 /lib/x86_64-linux-gnu/libpcre.so.3.13.2 7f1f504a3000-7f1f504a4000 rw-p 0006f000 08:07 21758127 /lib/x86_64-linux-gnu/libpcre.so.3.13.2 7f1f504a4000-7f1f504ce000 r-xp 00000000 08:07 22945711 /usr/lib/x86_64-linux-gnu/libvorbis.so.0.4.8 7f1f504ce000-7f1f506ce000 ---p 0002a000 08:07 22945711 /usr/lib/x86_64-linux-gnu/libvorbis.so.0.4.8 7f1f506ce000-7f1f506cf000 r--p 0002a000 08:07 22945711 /usr/lib/x86_64-linux-gnu/libvorbis.so.0.4.8 7f1f506cf000-7f1f506d0000 rw-p 0002b000 08:07 22945711 /usr/lib/x86_64-linux-gnu/libvorbis.so.0.4.8 7f1f506d0000-7f1f506f4000 r-xp 00000000 08:07 22939276 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1 7f1f506f4000-7f1f508f3000 ---p 00024000 08:07 22939276 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1 7f1f508f3000-7f1f508f5000 r--p 00023000 08:07 22939276 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1 7f1f508f5000-7f1f508f6000 rw-p 00025000 08:07 22939276 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1 7f1f508f6000-7f1f50a05000 r-xp 00000000 08:07 21758189 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4800.2 7f1f50a05000-7f1f50c04000 ---p 0010f000 08:07 21758189 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4800.2 7f1f50c04000-7f1f50c05000 r--p 0010e000 08:07 21758189 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4800.2 7f1f50c05000-7f1f50c06000 rw-p 0010f000 08:07 21758189 /lib/x86_64-linux-gnu/libglib-2.0.so.0.4800.2 7f1f50c06000-7f1f50c07000 rw-p 00000000 00:00 0 7f1f50c07000-7f1f50e21000 r-xp 00000000 08:07 21763841 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 7f1f50e21000-7f1f51020000 ---p 0021a000 08:07 21763841 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 7f1f51020000-7f1f5103c000 r--p 00219000 08:07 21763841 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 7f1f5103c000-7f1f51048000 rw-p 00235000 08:07 21763841 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 7f1f51048000-7f1f5104b000 rw-p 00000000 00:00 0 7f1f5104b000-7f1f510a9000 r-xp 00000000 08:07 21761860 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7f1f510a9000-7f1f512a9000 ---p 0005e000 08:07 21761860 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7f1f512a9000-7f1f512ad000 r--p 0005e000 08:07 21761860 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7f1f512ad000-7f1f512b4000 rw-p 00062000 08:07 21761860 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7f1f512b4000-7f1f512d8000 r-xp 00000000 08:07 21758019 /lib/x86_64-linux-gnu/libpng12.so.0.54.0 7f1f512d8000-7f1f514d7000 ---p 00024000 08:07 21758019 /lib/x86_64-linux-gnu/libpng12.so.0.54.0 7f1f514d7000-7f1f514d8000 r--p 00023000 08:07 21758019 /lib/x86_64-linux-gnu/libpng12.so.0.54.0 7f1f514d8000-7f1f514d9000 rw-p 00024000 08:07 21758019 /lib/x86_64-linux-gnu/libpng12.so.0.54.0 7f1f514d9000-7f1f514e0000 r-xp 00000000 08:07 22946721 /usr/lib/x86_64-linux-gnu/libogg.so.0.8.2 7f1f514e0000-7f1f516e0000 ---p 00007000 08:07 22946721 /usr/lib/x86_64-linux-gnu/libogg.so.0.8.2 7f1f516e0000-7f1f516e1000 r--p 00007000 08:07 22946721 /usr/lib/x86_64-linux-gnu/libogg.so.0.8.2 7f1f516e1000-7f1f516e2000 rw-p 00008000 08:07 22946721 /usr/lib/x86_64-linux-gnu/libogg.so.0.8.2 7f1f516e2000-7f1f516e9000 r-xp 00000000 08:07 22945709 /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3.3.7 7f1f516e9000-7f1f518e9000 ---p 00007000 08:07 22945709 /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3.3.7 7f1f518e9000-7f1f518ea000 r--p 00007000 08:07 22945709 /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3.3.7 7f1f518ea000-7f1f518eb000 rw-p 00008000 08:07 22945709 /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3.3.7 7f1f518eb000-7f1f525d2000 r-xp 00000000 08:07 22941967 /usr/lib/x86_64-linux-gnu/libCg.so 7f1f525d2000-7f1f526d1000 ---p 00ce7000 08:07 22941967 /usr/lib/x86_64-linux-gnu/libCg.so 7f1f526d1000-7f1f52d59000 rw-p 00ce6000 08:07 22941967 /usr/lib/x86_64-linux-gnu/libCg.so 7f1f52d59000-7f1f52dc4000 rw-p 00000000 00:00 0 7f1f52dc4000-7f1f52e20000 r-xp 00000000 08:07 22943297 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10000.1 7f1f52e20000-7f1f53020000 ---p 0005c000 08:07 22943297 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10000.1 7f1f53020000-7f1f53021000 r--p 0005c000 08:07 22943297 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10000.1 7f1f53021000-7f1f53022000 rw-p 0005d000 08:07 22943297 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10000.1 7f1f53022000-7f1f530c6000 r-xp 00000000 08:07 22939557 /usr/lib/x86_64-linux-gnu/libfreetype.so.6.12.1 7f1f530c6000-7f1f532c5000 ---p 000a4000 08:07 22939557 /usr/lib/x86_64-linux-gnu/libfreetype.so.6.12.1 7f1f532c5000-7f1f532cb000 r--p 000a3000 08:07 22939557 /usr/lib/x86_64-linux-gnu/libfreetype.so.6.12.1 7f1f532cb000-7f1f532cc000 rw-p 000a9000 08:07 22939557 /usr/lib/x86_64-linux-gnu/libfreetype.so.6.12.1 7f1f532cc000-7f1f532e2000 r-xp 00000000 08:07 21758014 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f1f532e2000-7f1f534e1000 ---p 00016000 08:07 21758014 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f1f534e1000-7f1f534e2000 rw-p 00015000 08:07 21758014 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f1f534e2000-7f1f53654000 r-xp 00000000 08:07 22950105 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21 7f1f53654000-7f1f53854000 ---p 00172000 08:07 22950105 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21 7f1f53854000-7f1f5385e000 r--p 00172000 08:07 22950105 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21 7f1f5385e000-7f1f53860000 rw-p 0017c000 08:07 22950105 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21 7f1f53860000-7f1f53864000 rw-p 00000000 00:00 0 7f1f53864000-7f1f53890000 r-xp 00000000 08:07 22947999 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtoolconfig.so.1.10 7f1f53890000-7f1f53a8f000 ---p 0002c000 08:07 22947999 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtoolconfig.so.1.10 7f1f53a8f000-7f1f53a90000 r--p 0002b000 08:07 22947999 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtoolconfig.so.1.10 7f1f53a90000-7f1f53a91000 rw-p 0002c000 08:07 22947999 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtoolconfig.so.1.10 7f1f53a91000-7f1f53ace000 r-xp 00000000 08:07 22948005 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtool.so.1.10 7f1f53ace000-7f1f53ccd000 ---p 0003d000 08:07 22948005 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtool.so.1.10 7f1f53ccd000-7f1f53cce000 r--p 0003c000 08:07 22948005 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtool.so.1.10 7f1f53cce000-7f1f53ccf000 rw-p 0003d000 08:07 22948005 /usr/lib/x86_64-linux-gnu/panda3d/libp3dtool.so.1.10 7f1f53ccf000-7f1f53cd0000 rw-p 00000000 00:00 0 7f1f53cd0000-7f1f545ea000 r-xp 00000000 08:07 22948004 /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10 7f1f545ea000-7f1f547e9000 ---p 0091a000 08:07 22948004 /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10 7f1f547e9000-7f1f54812000 r--p 00919000 08:07 22948004 /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10 7f1f54812000-7f1f5481c000 rw-p 00942000 08:07 22948004 /usr/lib/x86_64-linux-gnu/panda3d/libpanda.so.1.10 7f1f5481c000-7f1f54825000 rw-p 00000000 00:00 0 7f1f54825000-7f1f5533e000 r-xp 00000000 08:07 23071092 /usr/lib/python2.7/dist-packages/panda3d/core.so 7f1f5533e000-7f1f5553d000 ---p 00b19000 08:07 23071092 /usr/lib/python2.7/dist-packages/panda3d/core.so 7f1f5553d000-7f1f55543000 r--p 00b18000 08:07 23071092 /usr/lib/python2.7/dist-packages/panda3d/core.so 7f1f55543000-7f1f5557a000 rw-p 00b1e000 08:07 23071092 /usr/lib/python2.7/dist-packages/panda3d/core.so 7f1f5557a000-7f1f55737000 rw-p 00000000 00:00 0 7f1f5574a000-7f1f5576a000 rw-s 00000000 00:06 793 /dev/nvidia0 7f1f5576a000-7f1f557aa000 rw-p 00000000 00:00 0 7f1f557aa000-7f1f558c2000 r-xp 00000000 08:07 22947997 /usr/lib/x86_64-linux-gnu/panda3d/libpandaexpress.so.1.10 7f1f558c2000-7f1f55ac1000 ---p 00118000 08:07 22947997 /usr/lib/x86_64-linux-gnu/panda3d/libpandaexpress.so.1.10 7f1f55ac1000-7f1f55ac6000 r--p 00117000 08:07 22947997 /usr/lib/x86_64-linux-gnu/panda3d/libpandaexpress.so.1.10 7f1f55ac6000-7f1f55ac8000 rw-p 0011c000 08:07 22947997 /usr/lib/x86_64-linux-gnu/panda3d/libpandaexpress.so.1.10 7f1f55ac8000-7f1f55af4000 r-xp 00000000 08:07 22948000 /usr/lib/x86_64-linux-gnu/panda3d/libp3interrogatedb.so.1.10 7f1f55af4000-7f1f55cf3000 ---p 0002c000 08:07 22948000 /usr/lib/x86_64-linux-gnu/panda3d/libp3interrogatedb.so.1.10 7f1f55cf3000-7f1f55cf4000 r--p 0002b000 08:07 22948000 /usr/lib/x86_64-linux-gnu/panda3d/libp3interrogatedb.so.1.10 7f1f55cf4000-7f1f55cf6000 rw-p 0002c000 08:07 22948000 /usr/lib/x86_64-linux-gnu/panda3d/libp3interrogatedb.so.1.10 7f1f55cf6000-7f1f55cf7000 rw-p 00000000 00:00 0 7f1f55cf7000-7f1f55fcf000 r--p 00000000 08:07 22938012 /usr/lib/locale/locale-archive 7f1f55fcf000-7f1f560d7000 r-xp 00000000 08:07 21761877 /lib/x86_64-linux-gnu/libm-2.23.so 7f1f560d7000-7f1f562d6000 ---p 00108000 08:07 21761877 /lib/x86_64-linux-gnu/libm-2.23.so 7f1f562d6000-7f1f562d7000 r--p 00107000 08:07 21761877 /lib/x86_64-linux-gnu/libm-2.23.so 7f1f562d7000-7f1f562d8000 rw-p 00108000 08:07 21761877 /lib/x86_64-linux-gnu/libm-2.23.so 7f1f562d8000-7f1f562f1000 r-xp 00000000 08:07 21761260 /lib/x86_64-linux-gnu/libz.so.1.2.8 7f1f562f1000-7f1f564f0000 ---p 00019000 08:07 21761260 /lib/x86_64-linux-gnu/libz.so.1.2.8 7f1f564f0000-7f1f564f1000 r--p 00018000 08:07 21761260 /lib/x86_64-linux-gnu/libz.so.1.2.8 7f1f564f1000-7f1f564f2000 rw-p 00019000 08:07 21761260 /lib/x86_64-linux-gnu/libz.so.1.2.8 7f1f564f2000-7f1f564f4000 r-xp 00000000 08:07 21761873 /lib/x86_64-linux-gnu/libutil-2.23.so 7f1f564f4000-7f1f566f3000 ---p 00002000 08:07 21761873 /lib/x86_64-linux-gnu/libutil-2.23.so 7f1f566f3000-7f1f566f4000 r--p 00001000 08:07 21761873 /lib/x86_64-linux-gnu/libutil-2.23.so 7f1f566f4000-7f1f566f5000 rw-p 00002000 08:07 21761873 /lib/x86_64-linux-gnu/libutil-2.23.so 7f1f566f5000-7f1f566f8000 r-xp 00000000 08:07 21761345 /lib/x86_64-linux-gnu/libdl-2.23.so 7f1f566f8000-7f1f568f7000 ---p 00003000 08:07 21761345 /lib/x86_64-linux-gnu/libdl-2.23.so 7f1f568f7000-7f1f568f8000 r--p 00002000 08:07 21761345 /lib/x86_64-linux-gnu/libdl-2.23.so 7f1f568f8000-7f1f568f9000 rw-p 00003000 08:07 21761345 /lib/x86_64-linux-gnu/libdl-2.23.so 7f1f568f9000-7f1f56ab9000 r-xp 00000000 08:07 21761998 /lib/x86_64-linux-gnu/libc-2.23.so 7f1f56ab9000-7f1f56cb9000 ---p 001c0000 08:07 21761998 /lib/x86_64-linux-gnu/libc-2.23.so 7f1f56cb9000-7f1f56cbd000 r--p 001c0000 08:07 21761998 /lib/x86_64-linux-gnu/libc-2.23.so 7f1f56cbd000-7f1f56cbf000 rw-p 001c4000 08:07 21761998 /lib/x86_64-linux-gnu/libc-2.23.so 7f1f56cbf000-7f1f56cc3000 rw-p 00000000 00:00 0 7f1f56cc3000-7f1f56cdb000 r-xp 00000000 08:07 21761323 /lib/x86_64-linux-gnu/libpthread-2.23.so 7f1f56cdb000-7f1f56eda000 ---p 00018000 08:07 21761323 /lib/x86_64-linux-gnu/libpthread-2.23.so 7f1f56eda000-7f1f56edb000 r--p 00017000 08:07 21761323 /lib/x86_64-linux-gnu/libpthread-2.23.so 7f1f56edb000-7f1f56edc000 rw-p 00018000 08:07 21761323 /lib/x86_64-linux-gnu/libpthread-2.23.so 7f1f56edc000-7f1f56ee0000 rw-p 00000000 00:00 0 7f1f56ee0000-7f1f56ef1000 r-xp 00000000 08:07 21758795 /lib/x86_64-linux-gnu/ld-2.23.so 7f1f56ef1000-7f1f56ef2000 r-xp 00011000 08:07 21758795 /lib/x86_64-linux-gnu/ld-2.23.so 7f1f56ef2000-7f1f56f06000 r-xp 00012000 08:07 21758795 /lib/x86_64-linux-gnu/ld-2.23.so 7f1f56f10000-7f1f56f23000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f56f23000-7f1f56f43000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f56f43000-7f1f56fe3000 rw-p 00000000 00:00 0 7f1f56fed000-7f1f56ff4000 r--s 00000000 08:07 23336317 /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache 7f1f56ff4000-7f1f570d9000 rw-p 00000000 00:00 0 7f1f570dd000-7f1f570de000 rw-p 00000000 00:00 0 7f1f570de000-7f1f570e0000 rw-s 00000000 08:07 18743697 /tmp/.glBIewAa (deleted) 7f1f570e0000-7f1f570e4000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f570e4000-7f1f570ff000 rw-p 00000000 00:00 0 7f1f570ff000-7f1f57100000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f57100000-7f1f57101000 rw-s 00000000 00:06 793 /dev/nvidia0 7f1f57101000-7f1f57102000 rw-s 00000000 00:06 793 /dev/nvidia0 7f1f57102000-7f1f57103000 rw-s 00000000 00:06 792 /dev/nvidiactl 7f1f57103000-7f1f57105000 rw-p 00000000 00:00 0 7f1f57105000-7f1f57106000 r--p 00025000 08:07 21758795 /lib/x86_64-linux-gnu/ld-2.23.so 7f1f57106000-7f1f57107000 rw-p 00026000 08:07 21758795 /lib/x86_64-linux-gnu/ld-2.23.so 7f1f57107000-7f1f57108000 rw-p 00000000 00:00 0 7fff8da6a000-7fff8da8b000 rw-p 00000000 00:00 0 [stack] 7fff8daa1000-7fff8daa4000 r--p 00000000 00:00 0 [vvar] 7fff8daa4000-7fff8daa6000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]

As to the “ldd” issue, I’ve done some digging, and I think that I may have found the source of the problem: Simply put, it seems that Python’s “LIBDIR” config variable (used to find the relevant directory for the Python “.so” file) points to “/usr/lib”. Note the reference to that directory in the output that I included in my previous post. However, under Ubuntu this isn’t correct–it should be pointing to the subdirectory that I mentioned, I believe.

It’s not clear to me why there is this discrepancy, or what general solution might be found.

On my end, at least, it’s possible that changing the value of “LIBDIR” might solve the issue, although I haven’t yet tried it.