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def22c226f
Bootstrap would hang if (as of writing) a pipe sufficient to hold 42,006 bytes was not handed out by the kernel to the first stage. It was luck that this didn't manifest before, as first stage could write the full source and exit completely before reading begun. It is not clear under which circumstances this could previously occur, but at least since Linux 4.5, it can be triggered if /proc/sys/fs/pipe-max-size is reduced from the default of 1MiB, which can have the effect of capping the default pipe buffer size of 64KiB to something lower. Suspicion is that buffer pipe size could also be reduced under memory pressure, as reference to busy machines appeared a few times in the bug report. |
8 years ago | |
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| .travis | 8 years ago | |
| ansible_mitogen | 8 years ago | |
| docs | 8 years ago | |
| examples | 8 years ago | |
| mitogen | 8 years ago | |
| tests | 8 years ago | |
| .gitignore | 8 years ago | |
| .lgtm.yml | 8 years ago | |
| .travis.yml | 8 years ago | |
| ChangeLog | 8 years ago | |
| LICENSE | 8 years ago | |
| README.md | 8 years ago | |
| dev_requirements.txt | 8 years ago | |
| preamble_size.py | 8 years ago | |
| run_tests | 8 years ago | |
| setup.cfg | 8 years ago | |
| setup.py | 8 years ago | |
| tox.ini | 8 years ago | |