HelloZeroNet/ZeroNet

ZeroNet freezes during startup because of bogus timeout values passed to kevent.

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#1,202 opened on Dec 9, 2017

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Description

  • ZeroNet version: 0.6.0
    • Operating system:FreeBSD 11.1
    • Web browser:Chrome
    • Tor status: always
    • Opened port: no
    • Special configuration: n/a

ZeroNet freezes during startup. The problem was traced to the kevent call made by libev from gevent. Bogus timeout value is passed to kevent. gevent maintainer claims that race condition in ZeroNet causes the problem.

See details here: https://github.com/gevent/gevent/issues/1051#issuecomment-350490266

Contributor guide

Research direction
Investigate the race condition in ZeroNet's event loop that leads to bogus timeout values in kevent by examining the gevent issue referenced and tracing the startup sequence.
Tech stack
python
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Pythongevent
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20