Bug 1402 – Windows error logs

Bug 1402 - Windows error logs


Summary:	Windows error logs

Status:	RESOLVED FIXED

Product:	unbound
Classification:	Unclassified
Component:	server
Version:	1.6.4
Hardware:	x86_64 Windows

Importance:	P5 minor
Assigned To:	unbound team

URL:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2017-08-14 08:43 CEST by Christopher Ng
Modified:	2017-08-21 16:17 CEST (History)
CC List:	2 users (show)

See Also:

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Description Christopher Ng 2017-08-14 08:43:22 CEST

Periodically unbound will spam 5-15 of these into the Windows admin logs (as seen in the Event Viewer):

[C:\Program Files\Unbound\unbound.exe:0] error: can't ioctlsocket FIONBIO off: Invalid argument.

This is on Windows 10 1703.

Comment 1 Wouter Wijngaards 2017-08-21 16:17:34 CEST

Hi Christopher,

Thank you for the report, I have removed it from reporting this error.  Likely it was a spurious error, while unbound is retrying to make buffer space.  On high verbosity it still reports the error (verbosity 4 and higher).

Thanks for the report!

Best regards, Wouter