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update the pytorch-gdb example so that it works on current master by antocuni · Pull Request #61175 · pytorch/pytorch · GitHub
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update the pytorch-gdb example so that it works on current master #61175

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update the pytorch-gdb example so that it works on current master #61175

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@antocuni
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@antocuni antocuni commented Jul 2, 2021

As pointed out by #54339 (comment), the pytorch-gdb example is currently broken because the code has been refactored.

This PR updates the example so that it works again.

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facebook-github-bot commented Jul 2, 2021 •
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💊 CI failures summary and remediations

As of commit 8997c3e (more details on the Dr. CI page and at hud.pytorch.org/pr/61175):

  • 2/2 failures introduced in this PR

🕵️ 2 new failures recognized by patterns

The following CI failures do not appear to be due to upstream breakages:

See CircleCI build pytorch_linux_bionic_cuda10_2_cudnn7_py3_9_gcc7_test2 (1/2)

Step: "Run tests" (full log | diagnosis details | 🔁 rerun)

Jul 02 15:24:29 AssertionError: False is not true : Scalars failed to compare as equal! 0 != 1 
Jul 02 15:24:29   test_math_autogradcpu (__main__.TestPythonDispatcher) ... ok (0.001s)
Jul 02 15:24:29 
Jul 02 15:24:29 ======================================================================
Jul 02 15:24:29 FAIL [0.001s]: test_find_dangling_impls (__main__.TestPythonDispatcher)
Jul 02 15:24:29 ----------------------------------------------------------------------
Jul 02 15:24:29 Traceback (most recent call last):
Jul 02 15:24:29   File "/var/lib/jenkins/workspace/test/test_dispatch.py", line 891, in test_find_dangling_impls
Jul 02 15:24:29     self.assertEqual(0, len(C._dispatch_find_dangling_impls()))
Jul 02 15:24:29   File "/opt/conda/lib/python3.9/site-packages/torch/testing/_internal/common_utils.py", line 1498, in assertEqual
Jul 02 15:24:29     super().assertTrue(result, msg=self._get_assert_msg(msg, debug_msg=debug_msg))
Jul 02 15:24:29 AssertionError: False is not true : Scalars failed to compare as equal! 0 != 1
Jul 02 15:24:29 
Jul 02 15:24:29 ----------------------------------------------------------------------
Jul 02 15:24:29 Ran 29 tests in 20.466s
Jul 02 15:24:29 
Jul 02 15:24:29 FAILED (failures=1)
Jul 02 15:24:29 
Jul 02 15:24:29 Generating XML reports...
Jul 02 15:24:29 Generated XML report: test-reports/python-unittest/test_dispatch/TEST-TestDispatch-20210702152409.xml
Jul 02 15:24:29 Generated XML report: test-reports/python-unittest/test_dispatch/TEST-TestPythonDispatcher-20210702152409.xml
Jul 02 15:24:30 Traceback (most recent call last):

See CircleCI build pytorch_linux_xenial_cuda11_1_cudnn8_py3_gcc7_test1 (2/2)

Step: "Run tests" (full log | diagnosis details | 🔁 rerun)

Jul 02 15:31:14 AssertionError: False is not true : Scalars failed to compare as equal! 0 != 1 
Jul 02 15:31:14   test_math_autogradcpu (__main__.TestPythonDispatcher) ... ok (0.001s)
Jul 02 15:31:14 
Jul 02 15:31:14 ======================================================================
Jul 02 15:31:14 FAIL [0.001s]: test_find_dangling_impls (__main__.TestPythonDispatcher)
Jul 02 15:31:14 ----------------------------------------------------------------------
Jul 02 15:31:14 Traceback (most recent call last):
Jul 02 15:31:14   File "test_dispatch.py", line 891, in test_find_dangling_impls
Jul 02 15:31:14     self.assertEqual(0, len(C._dispatch_find_dangling_impls()))
Jul 02 15:31:14   File "/opt/conda/lib/python3.6/site-packages/torch/testing/_internal/common_utils.py", line 1498, in assertEqual
Jul 02 15:31:14     super().assertTrue(result, msg=self._get_assert_msg(msg, debug_msg=debug_msg))
Jul 02 15:31:14 AssertionError: False is not true : Scalars failed to compare as equal! 0 != 1
Jul 02 15:31:14 
Jul 02 15:31:14 ----------------------------------------------------------------------
Jul 02 15:31:14 Ran 29 tests in 24.449s
Jul 02 15:31:14 
Jul 02 15:31:14 FAILED (failures=1)
Jul 02 15:31:14 
Jul 02 15:31:14 Generating XML reports...
Jul 02 15:31:14 Generated XML report: test-reports/python-unittest/test_dispatch/TEST-TestDispatch-20210702153050.xml
Jul 02 15:31:14 Generated XML report: test-reports/python-unittest/test_dispatch/TEST-TestPythonDispatcher-20210702153050.xml
Jul 02 15:31:14 Traceback (most recent call last):

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@antocuni antocuni added the module: docs Related to our documentation, both in docs/ and docblocks label Jul 2, 2021
@antocuni antocuni mentioned this pull request Jul 2, 2021
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wwwwcu commented Jul 5, 2021 •
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Thank you for updating the pytorch-gdb example. But I meet this error. Did I miss some configurations?

(gdb) run 
Starting program: /root/anaconda3/envs/pytorch/bin/python 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[...]
>>> import torch
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/ww/pytorch/torch/__init__.py", line 208, in <module>
    from torch._C import _initExtension
ImportError: cannot import name '_initExtension'

and then I try to run the test_script by the following way, It gives me another error:

(gdb) r ../test_script/test.py
Starting program: /root/anaconda3/envs/pytorch/bin/python ../test_script/test.py
[Thread debugging using libthread_db enabled]
[...]
Breakpoint 1, at::Tensor::neg (this=0x7ffff7f06060) at /home/ww/pytorch/build/aten/src/ATen/core/TensorMethods.cpp:2437
2437	    static auto op = c10::Dispatcher::singleton()
(gdb) torch-tensor-repr this
Python Exception <class 'gdb.error'> Cannot resolve function tensor_repr to any overloaded instance: 
Error occurred in Python command: Cannot resolve function tensor_repr to any overloaded instance

I've added the following line to ~/.gdbinit

add-auto-load-safe-path /home/ww/pytorch/.gdbinit

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@ezyang has imported this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

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@ezyang merged this pull request in 93d98ec.

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Thank you for updating the pytorch-gdb example. But I meet this error. Did I miss some configurations?

(gdb) run 
Starting program: /root/anaconda3/envs/pytorch/bin/python 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[...]
>>> import torch
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/ww/pytorch/torch/__init__.py", line 208, in <module>
    from torch._C import _initExtension
ImportError: cannot import name '_initExtension'

and then I try to run the test_script by the following way, It gives me another error:

(gdb) r ../test_script/test.py
Starting program: /root/anaconda3/envs/pytorch/bin/python ../test_script/test.py
[Thread debugging using libthread_db enabled]
[...]
Breakpoint 1, at::Tensor::neg (this=0x7ffff7f06060) at /home/ww/pytorch/build/aten/src/ATen/core/TensorMethods.cpp:2437
2437	    static auto op = c10::Dispatcher::singleton()
(gdb) torch-tensor-repr this
Python Exception <class 'gdb.error'> Cannot resolve function tensor_repr to any overloaded instance: 
Error occurred in Python command: Cannot resolve function tensor_repr to any overloaded instance

I've added the following line to ~/.gdbinit

add-auto-load-safe-path /home/ww/pytorch/.gdbinit

I have also encountered this problem. Have you resolved it

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