Get alert : sem_init() failed (78: Function not implemented

Hi All,

I just upgrade freebsd from 8.1 to 9.1. And after that, every time I
start Nginx, I’l get below error message:

2013/03/04 09:21:27 [alert] 43757#0: sem_init() failed (78: Function not
implemented)
2013/03/04 09:21:27 [alert] 43757#0: sem_init() failed (78: Function not
implemented)

This is the only error message I got, does anyone know how can I fix
this problem?

Thank

On Mar 4, 2013, at 19:30 , Meteor wrote:

Hi All,

I just upgrade freebsd from 8.1 to 9.1. And after that, every time I start
Nginx, I’l get below error message:

2013/03/04 09:21:27 [alert] 43757#0: sem_init() failed (78: Function not
implemented)
2013/03/04 09:21:27 [alert] 43757#0: sem_init() failed (78: Function not
implemented)

This is the only error message I got, does anyone know how can I fix this
problem?

Do you FreeBSD?
You need to rebuilt nginx.

On Mar 4, 2013, at 7:30 PM, Meteor [email protected] wrote:

Hi All,

I just upgrade freebsd from 8.1 to 9.1. And after that, every time I start
Nginx, I’l get below error message:

2013/03/04 09:21:27 [alert] 43757#0: sem_init() failed (78: Function not
implemented)
2013/03/04 09:21:27 [alert] 43757#0: sem_init() failed (78: Function not
implemented)

This is the only error message I got, does anyone know how can I fix this
problem?

You are likely running old binary built against FreeBSD 8.x.
The latter uses in-kernel implementation of semaphores.
FreeBSD 9.x switched to the new semaphore implementation based on umtx.
Here the kernel module is only used to support old binaries for pre-9.x.
So that’s why you seem “Function not implemented” error message:
since in 9.x sem isn’t present in the default GENERIC kernel.
I could try to kldload the module sem.ko, or better upgrade your system
canonically which means rebuilding nginx, as said in another mail.
See
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for the canonical way to update your system.


Sergey Kandaurov
[email protected]

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