[Info-vax] TCP/IP V5.6 ECO 4 caveat...

[JBloggs]

On Thu, 05 Nov 2009 08:57:49 +0100, Jur van der Burg <"lddriver at
digiater dot nl"> wrote:

>I have a hard time believing that. IOC$SEARCHDEV calls
>IOC_STD$SEARCHDEV which calls IOC$SEARCH. The last routine
>preserves R4, the first two don't use it. This is from the
>Alpha V8.3 listings. Which version are we talking about?
>
>It could be a timing issue in tcpip where an interrupting thread
>fails to preserve R4.
>
>Jur.

to belabor the point,
 the TCPIP ECO4 is trashing R4 in some (obscure) cases,
(or it is exposing some other bug that trashes R4)?

i was mulling over installing this ECO4, hence my interest.