@smth Hello! Here is my backtrace (from ‘0.4.0a0+067f799’):
Thread 3308 "python" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffee5c34700 (LWP 32702)]
0x00007fffb16ba7cb in THRandom_random () from /home/polphit/anaconda3/lib/python3.6/site-packages/torch/lib/libATen.so.1
(gdb) 
(gdb) backtrace
#0  0x00007fffb16ba7cb in THRandom_random () from /home/polphit/anaconda3/lib/python3.6/site-packages/torch/lib/libATen.so.1
#1  0x00007fffb16ba81e in THRandom_random64 () from /home/polphit/anaconda3/lib/python3.6/site-packages/torch/lib/libATen.so.1
#2  0x00007fffb16ba97a in THRandom_normal () from /home/polphit/anaconda3/lib/python3.6/site-packages/torch/lib/libATen.so.1
#3  0x00007fffb133cc37 in THFloatTensor_normal () from /home/polphit/anaconda3/lib/python3.6/site-packages/torch/lib/libATen.so.1
#4  0x00007fffd1643002 in THPFloatTensor_stateless_randn (self=<optimized out>, args=<optimized out>, kwargs=<optimized out>)
    at /home/polphit/Downloads/pytorch/torch/csrc/generic/TensorMethods.cpp:59471
#5  0x00007ffff79931c9 in PyCFunction_Call (func=0x7fff9070dc60, args=0x7fff906f48b8, kwds=<optimized out>) at Objects/methodobject.c:98
#6  0x00007ffff793be96 in PyObject_Call (func=0x7fff9070dc60, args=<optimized out>, args@entry=0x7fff906f48b8, kwargs=<optimized out>, kwargs@entry=0x0)
    at Objects/abstract.c:2246
#7  0x00007fffd122a392 in THPUtils_dispatchStateless (tensor=0x11078d8, name=name@entry=0x7fffd21e6242 "randn", args=args@entry=0x7fff906f48b8, kwargs=kwargs@entry=0x0)
    at torch/csrc/utils.cpp:160
#8  0x00007fffd11f723d in dispatchStateless (args=0x7fff906f48b8, kwargs=0x0, name=0x7fffd21e6242 "randn") at torch/csrc/Module.cpp:234
#9  0x00007ffff7992df2 in _PyCFunction_FastCallDict (func_obj=0x7fffd3f9d3f0, args=0x7ffe997eb1e0, nargs=<optimized out>, kwargs=0x0) at Objects/methodobject.c:231
#10 0x00007ffff7a184ec in call_function (pp_stack=0x7ffee5c32ca8, oparg=<optimized out>, kwnames=0x0) at Python/ceval.c:4798
#11 0x00007ffff7a1b15d in _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at Python/ceval.c:3284
#12 0x00007ffff7a16a60 in _PyEval_EvalCodeWithName (_co=0x7fffa1958b70, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=2, 
    kwnames=0x7fff906cfe20, kwargs=0x7fff906cfe28, kwcount=4, kwstep=2, defs=0x7fffa196c1e0, defcount=2, kwdefs=0x0, closure=0x0, name=0x7fffefcba848, qualname=0x7fffa18da080)
    at Python/ceval.c:4128
#13 0x00007ffff7a16cfc in _PyFunction_FastCallDict (func=0x7fffa18db158, args=0x7ffee5c32ee0, nargs=2, kwargs=0x7fff9018f870) at Python/ceval.c:5031
#14 0x00007ffff793bba6 in _PyObject_FastCallDict (func=0x7fffa18db158, args=0x7ffee5c32ee0, nargs=<optimized out>, kwargs=0x7fff9018f870) at Objects/abstract.c:2295
#15 0x00007ffff793bdfc in _PyObject_Call_Prepend (func=0x7fffa18db158, obj=0x7fff902c0748, args=0x7fff902c0c88, kwargs=0x7fff9018f870) at Objects/abstract.c:2358
#16 0x00007ffff793be96 in PyObject_Call (func=0x7fff90856c08, args=<optimized out>, kwargs=<optimized out>) at Objects/abstract.c:2246
#17 0x00007ffff7a1c236 in do_call_core (kwdict=0x7fff9018f870, callargs=<optimized out>, func=0x7fff90856c08) at Python/ceval.c:5067
#18 _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at Python/ceval.c:3366
#19 0x00007ffff7a16a60 in _PyEval_EvalCodeWithName (_co=0x7fffeb41f4b0, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=2, 
    kwnames=0x7fff90887920, kwargs=0x7fff90887928, kwcount=4, kwstep=2, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=0x7ffff7f9b170, qualname=0x7fffefbc6870)
    at Python/ceval.c:4128
#20 0x00007ffff7a16cfc in _PyFunction_FastCallDict (func=0x7fffe5c9e378, args=0x7ffee5c332d0, nargs=2, kwargs=0x7fff90560cf0) at Python/ceval.c:5031
#21 0x00007ffff793bba6 in _PyObject_FastCallDict (func=0x7fffe5c9e378, args=0x7ffee5c332d0, nargs=<optimized out>, kwargs=0x7fff90560cf0) at Objects/abstract.c:2295
#22 0x00007ffff793bdfc in _PyObject_Call_Prepend (func=0x7fffe5c9e378, obj=0x7fff902c0748, args=0x7fff902c0438, kwargs=0x7fff90560cf0) at Objects/abstract.c:2358
#23 0x00007ffff793be96 in PyObject_Call (func=0x7fff907f4d08, args=<optimized out>, kwargs=<optimized out>) at Objects/abstract.c:2246
#24 0x00007ffff79b3baf in slot_tp_call (self=0x7fff902c0748, args=0x7fff902c0438, kwds=0x7fff90560cf0) at Objects/typeobject.c:6167
#25 0x00007ffff793be96 in PyObject_Call (func=0x7fff902c0748, args=<optimized out>, kwargs=<optimized out>) at Objects/abstract.c:2246
#26 0x00007ffff7a1c236 in do_call_core (kwdict=0x7fff90560cf0, callargs=<optimized out>, func=0x7fff902c0748) at Python/ceval.c:5067
#27 _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at Python/ceval.c:3366
#28 0x00007ffff7a16a60 in _PyEval_EvalCodeWithName (_co=0x7fffe5c7b150, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=7, 
    kwnames=0x7ffff7f98060, kwargs=0x7ffff7f98068, kwcount=0, kwstep=2, defs=0x7fffe5c7a878, defcount=1, kwdefs=0x0, closure=0x0, name=0x0, qualname=0x0) at Python/ceval.c:4128
#29 0x00007ffff7a16ee3 in PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=<optimized out>, 
    kws=<optimized out>, kwcount=0, defs=0x7fffe5c7a878, defcount=1, kwdefs=0x0, closure=0x0) at Python/ceval.c:4149
#30 0x00007ffff796eee1 in function_call (func=0x7fff901c1ae8, arg=0x7fff906dca08, kw=0x7fff903409d8) at Objects/funcobject.c:604
#31 0x00007ffff793be96 in PyObject_Call (func=0x7fff901c1ae8, args=<optimized out>, kwargs=<optimized out>) at Objects/abstract.c:2246
#32 0x00007ffff7a1c236 in do_call_core (kwdict=0x7fff903409d8, callargs=<optimized out>, func=0x7fff901c1ae8) at Python/ceval.c:5067
#33 _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at Python/ceval.c:3366
#34 0x00007ffff7a15e74 in _PyFunction_FastCall (co=<optimized out>, args=<optimized out>, nargs=1, globals=<optimized out>) at Python/ceval.c:4880
#35 0x00007ffff7a185e8 in fast_function (kwnames=0x0, nargs=1, stack=<optimized out>, func=0x7fffd6d5bb70) at Python/ceval.c:4915
#36 call_function (pp_stack=0x7ffee5c33a68, oparg=<optimized out>, kwnames=0x0) at Python/ceval.c:4819
---Type <return> to continue, or q <return> to quit--- 
#37 0x00007ffff7a1b15d in _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at Python/ceval.c:3284
#38 0x00007ffff7a15e74 in _PyFunction_FastCall (co=<optimized out>, args=<optimized out>, nargs=1, globals=<optimized out>) at Python/ceval.c:4880
#39 0x00007ffff7a185e8 in fast_function (kwnames=0x0, nargs=1, stack=<optimized out>, func=0x7fffd6d5bd90) at Python/ceval.c:4915
#40 call_function (pp_stack=0x7ffee5c33c98, oparg=<optimized out>, kwnames=0x0) at Python/ceval.c:4819
#41 0x00007ffff7a1b15d in _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at Python/ceval.c:3284
#42 0x00007ffff7a15e74 in _PyFunction_FastCall (co=<optimized out>, args=<optimized out>, nargs=1, globals=<optimized out>) at Python/ceval.c:4880
#43 0x00007ffff7a16e75 in _PyFunction_FastCallDict (func=0x7fffd6d5bbf8, args=0x7ffee5c33e60, nargs=1, kwargs=0x0) at Python/ceval.c:4982
#44 0x00007ffff793bba6 in _PyObject_FastCallDict (func=0x7fffd6d5bbf8, args=0x7ffee5c33e60, nargs=<optimized out>, kwargs=0x0) at Objects/abstract.c:2295
#45 0x00007ffff793bdfc in _PyObject_Call_Prepend (func=0x7fffd6d5bbf8, obj=0x7fff90336860, args=0x7ffff7f98048, kwargs=0x0) at Objects/abstract.c:2358
#46 0x00007ffff793be96 in PyObject_Call (func=0x7fff9080cbc8, args=<optimized out>, kwargs=<optimized out>) at Objects/abstract.c:2246
#47 0x00007ffff7a68ae2 in t_bootstrap (boot_raw=0x7fff90771aa8) at ./Modules/_threadmodule.c:998
#48 0x00007ffff76ba6ba in start_thread (arg=0x7ffee5c34700) at pthread_create.c:333
#49 0x00007ffff6ad83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109