Error in `/usr/bin/python3': free(): invalid pointer

I just upgraded my PyTorch from 0.1.12 to 0.2.0, but when I import torch in a jupyter notebook or jupyter console, there occured the following errors:

*** Error in `/usr/bin/python3': free(): invalid pointer: 0x00007f32670bdb80 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f329fe4f7e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x8037a)[0x7f329fe5837a]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7f329fe5c53c]
/usr/local/lib/python3.5/dist-packages/torch/lib/libshm.so(_ZNSt6locale5_Impl16_M_install_facetEPKNS_2idEPKNS_5facetE+0x142)[0x7f3266e57802]
/usr/local/lib/python3.5/dist-packages/torch/lib/libshm.so(_ZNSt6locale5_ImplC2Em+0x1e3)[0x7f3266e59953]
/usr/local/lib/python3.5/dist-packages/torch/lib/libshm.so(_ZNSt6locale18_S_initialize_onceEv+0x15)[0x7f3266e5a8c5]
/lib/x86_64-linux-gnu/libpthread.so.0(+0xea99)[0x7f32a01b0a99]
/usr/local/lib/python3.5/dist-packages/torch/lib/libshm.so(_ZNSt6locale13_S_initializeEv+0x21)[0x7f3266e5a911]
/usr/local/lib/python3.5/dist-packages/torch/lib/libshm.so(_ZNSt6localeC1Ev+0x13)[0x7f3266e5a953]
/usr/local/lib/python3.5/dist-packages/torch/lib/libshm.so(_ZNSt8ios_base4InitC1Ev+0xb4)[0x7f3266e2c1b4]
/usr/local/lib/python3.5/dist-packages/torch/lib/libcusparse-652fe42d.so.7.5.18(+0x2a5a14)[0x7f3243a07a14]
/usr/local/lib/python3.5/dist-packages/torch/lib/libcusparse-652fe42d.so.7.5.18(+0x2a6aa3)[0x7f3243a08aa3]
/usr/local/lib/python3.5/dist-packages/torch/lib/libcusparse-652fe42d.so.7.5.18(+0x335026)[0x7f3243a97026]
======= Memory map: ========
00400000-007a8000 r-xp 00000000 08:06 1703621                            /usr/bin/python3.5
009a8000-009aa000 r--p 003a8000 08:06 1703621                            /usr/bin/python3.5
009aa000-00a41000 rw-p 003aa000 08:06 1703621                            /usr/bin/python3.5
00a41000-00a72000 rw-p 00000000 00:00 0 
028c5000-0376c000 rw-p 00000000 00:00 0                                  [heap]
7f323c000000-7f323c021000 rw-p 00000000 00:00 0 
7f323c021000-7f3240000000 ---p 00000000 00:00 0 
7f3243762000-7f3245a67000 r-xp 00000000 08:06 2232632                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcusparse-652fe42d.so.7.5.18
7f3245a67000-7f3245c66000 ---p 02305000 08:06 2232632                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcusparse-652fe42d.so.7.5.18
7f3245c66000-7f3245c7e000 rw-p 02304000 08:06 2232632                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcusparse-652fe42d.so.7.5.18
7f3245c7e000-7f3245c8d000 rw-p 00000000 00:00 0 
7f3245c8d000-7f3245c91000 rw-p 0231d000 08:06 2232632                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcusparse-652fe42d.so.7.5.18
7f3245c91000-7f3247a1e000 r-xp 00000000 08:06 2232641                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcurand-5c46e900.so.7.5.18
7f3247a1e000-7f3247c1e000 ---p 01d8d000 08:06 2232641                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcurand-5c46e900.so.7.5.18
7f3247c1e000-7f3248fef000 rw-p 01d8d000 08:06 2232641                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcurand-5c46e900.so.7.5.18
7f3248fef000-7f32494f9000 rw-p 00000000 00:00 0 
7f32494f9000-7f32494fa000 rw-p 0315f000 08:06 2232641                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcurand-5c46e900.so.7.5.18
7f32494fa000-7f324abc3000 r-xp 00000000 08:06 2232634                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcublas-74156a04.so.7.5.18
7f324abc3000-7f324adc2000 ---p 016c9000 08:06 2232634                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcublas-74156a04.so.7.5.18
7f324adc2000-7f324adce000 rw-p 016c8000 08:06 2232634                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcublas-74156a04.so.7.5.18
7f324adce000-7f324add9000 rw-p 00000000 00:00 0 
7f324add9000-7f324addc000 rw-p 016d5000 08:06 2232634                    /usr/local/lib/python3.5/dist-packages/torch/lib/libcublas-74156a04.so.7.5.18
7f324addc000-7f324adf1000 r-xp 00000000 08:06 2232636                    /usr/local/lib/python3.5/dist-packages/torch/lib/libgomp-ae56ecdc.so.1.0.0
7f324adf1000-7f324aff0000 ---p 00015000 08:06 2232636                    /usr/local/lib/python3.5/dist-packages/torch/lib/libgomp-ae56ecdc.so.1.0.0
7f324aff0000-7f324aff3000 rw-p 00014000 08:06 2232636                    /usr/local/lib/python3.5/dist-packages/torch/lib/libgomp-ae56ecdc.so.1.0.0
7f324aff3000-7f324d8df000 r-xp 00000000 08:06 2232643                    /usr/local/lib/python3.5/dist-packages/torch/lib/libnccl.so.1
7f324d8df000-7f324dadf000 ---p 028ec000 08:06 2232643                    /usr/local/lib/python3.5/dist-packages/torch/lib/libnccl.so.1
7f324dadf000-7f324dae0000 rw-p 028ec000 08:06 2232643                    /usr/local/lib/python3.5/dist-packages/torch/lib/libnccl.so.1
7f324dae0000-7f324dae2000 rw-p 028f8000 08:06 2232643                    /usr/local/lib/python3.5/dist-packages/torch/lib/libnccl.so.1
7f324dae2000-7f325089c000 r-xp 00000000 08:06 2232626                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCUNN.so.1
7f325089c000-7f3250a9c000 ---p 02dba000 08:06 2232626                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCUNN.so.1
7f3250a9c000-7f3250aab000 rw-p 02dba000 08:06 2232626                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCUNN.so.1
7f3250aab000-7f3250acb000 rw-p 00000000 00:00 0 
7f3250acb000-7f3250d96000 rw-p 03078000 08:06 2232626                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCUNN.so.1
7f3250d96000-7f3250ef5000 r-xp 00000000 08:06 2232629                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCS.so.1
7f3250ef5000-7f32510f5000 ---p 0015f000 08:06 2232629                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCS.so.1
7f32510f5000-7f32510f7000 rw-p 0015f000 08:06 2232629                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCS.so.1
7f32510f7000-7f32510f8000 rw-p 00000000 00:00 0 
7f32510f8000-7f3251144000 rw-p 0018d000 08:06 2232629                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHCS.so.1
7f3251144000-7f325b785000 r-xp 00000000 08:06 2232642                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHC.so.1
7f325b785000-7f325b985000 ---p 0a641000 08:06 2232642                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHC.so.1
7f325b985000-7f325b9e0000 rw-p 0a641000 08:06 2232642                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHC.so.1
7f325b9e0000-7f325ba48000 rw-p 00000000 00:00 0 
7f325ba48000-7f325d3f8000 rw-p 0b2c7000 08:06 2232642                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHC.so.1
7f325d3f8000-7f325d644000 r-xp 00000000 08:06 2232637                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHD.so.1
7f325d644000-7f325d844000 ---p 0024c000 08:06 2232637                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHD.so.1
7f325d844000-7f325d84e000 rw-p 0024c000 08:06 2232637                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHD.so.1
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7f325e143000-7f325e25a000 r-xp 00000000 08:06 2232646                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHNN.so.1
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7f325e467000-7f325e6c9000 r-xp 00000000 08:06 2232628                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHPP.so.1
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7f325e98d000-7f325e9bb000 r-xp 00000000 08:06 2232639                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHS.so.1
7f325e9bb000-7f325ebbb000 ---p 0002e000 08:06 2232639                    /usr/local/lib/python3.5/dist-packages/torch/lib/libTHS.so.1
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7f3290403000-7f32905d1000 r-xp 00000000 08:06 1708154                    /usr/local/lib/python3.5/dist-packages/numpy/core/multiarray.cpython-35m-x86_64-linux-gnu.so
7f32905d1000-7f32907d1000 ---p 001ce000 08:06 1708154                    /usr/local/lib/python3.5/dist-packages/numpy/core/multiarray.cpython-35m-x86_64-linux-gnu.so
7f32907d1000-7f32907e0000 rw-p 001ce000 08:06 1708154                    /usr/local/lib/python3.5/dist-packages/numpy/core/multiarray.cpython-35m-x86_64-linux-gnu.so
7f32907e0000-7f32907f3000 rw-p 00000000 00:00 0 
7f32907f3000-7f32907f9000 rw-p 0098a000 08:06 1708154                    /usr/local/lib/python3.5/dist-packages/numpy/core/multiarray.cpython-35m-x86_64-linux-gnu.so
7f32907f9000-7f32907fa000 ---p 00000000 00:00 0 
7f32907fa000-7f3290ffa000 rw-p 00000000 00:00 0 
7f3290ffa000-7f3290ffb000 ---p 00000000 00:00 0 
7f3290ffb000-7f32917fb000 rw-p 00000000 00:00 0 
7f32917fb000-7f32917fc000 ---p 00000000 00:00 0 
7f32917fc000-7f3291ffc000 rw-p 00000000 00:00 0 
7f3291ffc000-7f3291ffd000 ---p 00000000 00:00 0 
7f3291ffd000-7f32927fd000 rw-p 00000000 00:00 0 
7f32927fd000-7f32927fe000 ---p 00000000 00:00 0 
7f32927fe000-7f3292ffe000 rw-p 00000000 00:00 0 
7f3292ffe000-7f3292fff000 ---p 00000000 00:00 0 
7f3292fff000-7f32937ff000 rw-p 00000000 00:00 0 
7f32937ff000-7f3293800000 ---p 00000000 00:00 0 
7f3293800000-7f3294000000 rw-p 00000000 00:00 0 
7f3294000000-7f3294041000 rw-p 00000000 00:00 0 
7f3294041000-7f3298000000 ---p 00000000 00:00 0 
7f329802a000-7f329806a000 rw-p 00000000 00:00 0 

... (omitted)

7f329eeed000-7f329efad000 rw-p 00000000 00:00 0 
7f329efad000-7f329f285000 r--p 00000000 08:06 1715588                    /usr/lib/locale/locale-archive
7f329f285000-7f329f38d000 r-xp 00000000 08:06 395070                     /lib/x86_64-linux-gnu/libm-2.23.so
7f329f38d000-7f329f58c000 ---p 00108000 08:06 395070                     /lib/x86_64-linux-gnu/libm-2.23.so
7f329f58c000-7f329f58d000 r--p 00107000 08:06 395070                     /lib/x86_64-linux-gnu/libm-2.23.so
7f329f58d000-7f329f58e000 rw-p 00108000 08:06 395070                     /lib/x86_64-linux-gnu/libm-2.23.so
7f329f58e000-7f329f5a7000 r-xp 00000000 08:06 398235                     /lib/x86_64-linux-gnu/libz.so.1.2.8
7f329f5a7000-7f329f7a6000 ---p 00019000 08:06 398235                     /lib/x86_64-linux-gnu/libz.so.1.2.8
7f329f7a6000-7f329f7a7000 r--p 00018000 08:06 398235                     /lib/x86_64-linux-gnu/libz.so.1.2.8
7f329f7a7000-7f329f7a8000 rw-p 00019000 08:06 398235                     /lib/x86_64-linux-gnu/libz.so.1.2.8
7f329f7a8000-7f329f7ce000 r-xp 00000000 08:06 392692                     /lib/x86_64-linux-gnu/libexpat.so.1.6.0
7f329f7ce000-7f329f9ce000 ---p 00026000 08:06 392692                     /lib/x86_64-linux-gnu/libexpat.so.1.6.0
7f329f9ce000-7f329f9d0000 r--p 00026000 08:06 392692                     /lib/x86_64-linux-gnu/libexpat.so.1.6.0
7f329f9d0000-7f329f9d1000 rw-p 00028000 08:06 392692                     /lib/x86_64-linux-gnu/libexpat.so.1.6.0
7f329f9d1000-7f329f9d3000 r-xp 00000000 08:06 395066                     /lib/x86_64-linux-gnu/libutil-2.23.so
7f329f9d3000-7f329fbd2000 ---p 00002000 08:06 395066                     /lib/x86_64-linux-gnu/libutil-2.23.so
7f329fbd2000-7f329fbd3000 r--p 00001000 08:06 395066                     /lib/x86_64-linux-gnu/libutil-2.23.so
7f329fbd3000-7f329fbd4000 rw-p 00002000 08:06 395066                     /lib/x86_64-linux-gnu/libutil-2.23.so
7f329fbd4000-7f329fbd7000 r-xp 00000000 08:06 395058                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f329fbd7000-7f329fdd6000 ---p 00003000 08:06 395058                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f329fdd6000-7f329fdd7000 r--p 00002000 08:06 395058                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f329fdd7000-7f329fdd8000 rw-p 00003000 08:06 395058                     /lib/x86_64-linux-gnu/libdl-2.23.so
7f329fdd8000-7f329ff98000 r-xp 00000000 08:06 395080                     /lib/x86_64-linux-gnu/libc-2.23.so
7f329ff98000-7f32a0198000 ---p 001c0000 08:06 395080                     /lib/x86_64-linux-gnu/libc-2.23.so
7f32a0198000-7f32a019c000 r--p 001c0000 08:06 395080                     /lib/x86_64-linux-gnu/libc-2.23.so
7f32a019c000-7f32a019e000 rw-p 001c4000 08:06 395080                     /lib/x86_64-linux-gnu/libc-2.23.so
7f32a019e000-7f32a01a2000 rw-p 00000000 00:00 0 
7f32a01a2000-7f32a01ba000 r-xp 00000000 08:06 395042                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f32a01ba000-7f32a03b9000 ---p 00018000 08:06 395042                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f32a03b9000-7f32a03ba000 r--p 00017000 08:06 395042                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f32a03ba000-7f32a03bb000 rw-p 00018000 08:06 395042                     /lib/x86_64-linux-gnu/libpthread-2.23.so
7f32a03bb000-7f32a03bf000 rw-p 00000000 00:00 0 
7f32a03bf000-7f32a03e5000 r-xp 00000000 08:06 393817                     /lib/x86_64-linux-gnu/ld-2.23.so
7f32a040d000-7f32a044d000 rw-p 00000000 00:00 0 
7f32a047e000-7f32a05c3000 rw-p 00000000 00:00 0 
7f32a05d9000-7f32a05da000 rw-p 00000000 00:00 0 
7f32a05da000-7f32a05db000 rwxp 00000000 00:00 0 
7f32a05db000-7f32a05e2000 r--s 00000000 08:06 1973089                    /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache
7f32a05e2000-7f32a05e4000 rw-p 00000000 00:00 0 
7f32a05e4000-7f32a05e5000 r--p 00025000 08:06 393817                     /lib/x86_64-linux-gnu/ld-2.23.so
7f32a05e5000-7f32a05e6000 rw-p 00026000 08:06 393817                     /lib/x86_64-linux-gnu/ld-2.23.so
7f32a05e6000-7f32a05e7000 rw-p 00000000 00:00 0 
7ffe41b0d000-7ffe41b2e000 rw-p 00000000 00:00 0                          [stack]
7ffe41bec000-7ffe41bee000 r--p 00000000 00:00 0                          [vvar]
7ffe41bee000-7ffe41bf0000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

This issue only occurs in a jupyter console or notebook, everything is okay when I import torch in a vanilla python console. Iā€™m using Ubuntu 16.04 on my laptop with no GPU, I installed the None GPU version (the same as CUDA 7.5 version). How to solve this issue or I can only downgrade to 0.1.12 ?

Can confirm that I have the exact same problem.
It works in the terminal, but does not work in jupyter :frowning_face:
Any ideas?

1 Like

This is a KP, see github issue https://github.com/pytorch/pytorch/issues/2314. The current workarounds are using the LD_PRELOAD trick in the issue, or installing from source or via Conda, until we fix what is wrong with the wheel.

2 Likes

This issue is still present on the master branch (although not in the 0.3.1 releases), and is being tracked here #5400.

As a hack to get jupyter notebooks working, add import torch as the first line in ~/anaconda3/lib/python3.6/site-packages/ipykernel/__init__.py (or where-ever you installed your Python).