Susan Hinrichs created TS-3603:
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Summary: Debug Assert occurs in UnixNetVConnection::set_enabled
when accept_threads are disabled
Key: TS-3603
URL: https://issues.apache.org/jira/browse/TS-3603
Project: Traffic Server
Issue Type: Bug
Components: Network
Reporter: Susan Hinrichs
This was found while tracking down TS-3597. The assert stack is in a comment
on that bug.
When you don't have a dedicated assert thread, the mutex is not locked before
going into the do_io_read to process the accept event. In the dedicated thread
case, you end up exercising UnixNetVConnection::acceptEvent which does grab the
mutex.
May be a relatively harmless error. Since this is a newly created VC, there
should be no race conditions on it. But violating locking assumptions seem
like a really bad idea. Especially since grabbing a lock on a supposedly
uncontended object should be cheap.
A 5.3.x patch is attached to this bug which solves the problem on my build.
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