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<== Date ==> <== Thread ==>

Subject: RE: UDP send, errno=0x37
From: "Allison, Stephanie" <[email protected]>
To: "Geoff Savage" <[email protected]>, "EPICS Tech-Talk" <[email protected]>
Date: Tue, 5 Jul 2005 08:47:02 -0700
Hi Geoff,

> Over the weekend we received these error messages from an 
> mv5500 running vxworks 5.5 and epics 3.14.6.  As far as I can 
> tell this is an ENOBUFS error.  Is this the correct interpretation?

Yes.   Looking at target/h/errno.h in my vxWorks distribution, I see that 0x37 (55) is ENOBUFS.  I got similar messages on my vxWorks 5.4.2 target earlier this year.  I tried increasing buffers... I tried John Sinclair's vxworks patch that he provided here...:
http://www.aps.anl.gov/epics/tech-talk/2004/msg00221.php
I swapped CPU boards...  Nothing worked.  Finally, I discovered that the network port for the CPU somehow got reconfigured to 100/full (long story).  Going to 100/half solved the problem.  Hopefully, your problem will be solved by just increasing buffers.

Stephanie Allison


Replies:
RE: UDP send, errno=0x37 Jeff Hill

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