[nsd-users] nsd 4.0 EAGAIN loop in sendmmsg(2)

Dustin Marquess dmarquess at gmail.com
Fri Nov 29 00:29:43 UTC 2013

On NetBSD 6.99.28-CURRENT, nsd 3.2.16 works fine, however nsd 4.0.0 is
spinning chewing CPU.  The logs show:

Nov 28 23:07:00 xxx nsd[466]: sendmmsg failed: Resource temporarily

ktruss shows it getting EAGAIN from sendmmsg(2) over and over again.
 According to the man page:

                        The socket is marked non-blocking and the requested
                        operation would block.

Sounds like it's blocking when it shouldn't?

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