Re: RSX-11M V4.2 -> Linux 2.3.40 testing

[Steve Whitehouse <steve@gw.chygwyn.com>]

"Zane H. Healy" wrote:
> 
> If it was a pool shortage, wouldn't a connection to the PDP-11 fail when
> you connect from VMS?  I should have mentioned that still works I guess.
> 
> In all honesty being able to now connect to Linux from the PDP-11 was a
> pleasent surprise, it's worked every time except the first when it crashed
> the PDP-11.  Overall the behavior with the 2.3.40 kernel is a *LOT* nicer
> than under 2.2.14!
> 
> I don't know if you'd noticed the posts on the results I had with it,
> whichever of the two boxes was connected to would crash.  It was really
> wierd doing a 'SET HOST' to the Linux box and having the Linux box crash!
> 
> 			Zane

Hi,

My best guess is that the PDP-11 might be asking for something in its
connect init message that is slightly out of line with what linux can
handle. The function which processes connect init messages does not
currently do any checking of their format. Up till now we've not been
able to return the correct error responses to connect requests, due to
the packet transmit functions requiring a socket as an argument in
order to work out the destination of the packet. Obviously for returning
connect requests where there is no associated socket this was a problem.

In the next patch I hope to improve the connect init function so that
it fully validates the incoming packets and returns the correct error
response to them, so at least you'll know whats gone wrong. I may well
include an option to printk unusual conn inits (switchable via the
/proc/sys/net/decnet/debug sysctl),

Steve.

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