Issue with mbuf de-allocation when using NFS in RTEMS

Chris Johns chrisj at
Thu Nov 2 01:56:40 UTC 2017

On 02/11/2017 12:28, Ben Dart wrote:
> But still, eventually, we run out of MBUFS and the system is inoperable. We are
> running an old version of RTEMS (4.9.2) but even compared to the newer version
> 4.11 we can see any significant changes in this or the NFS related files that
> would suggest a fix for this behavior. Is this well-known and is there a patch
> for it?

A google of "xact: xid -- got" returned ...

It seems you are not alone with the issue on the 4.9 series. Till references
ticket #1775 in the second link which is in Trac, see There are patches attached which might be
worth looking into.


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