Re: [TEST FIX] Re: SSH Hangs in 2.5.59 and 2.5.55 but not 2.4.x,

Bill Davidsen
2003-02-02T15:34:17Z

On Wed, 29 Jan 2003, David C Niemi wrote:

>
> On Tue, 28 Jan 2003, David S. Miller wrote:
> > From: kuznet@ms2.inr.ac.ru
> > Date: Wed, 29 Jan 2003 02:56:41 +0300 (MSK)
> >
> > Hey! Interesting thing has just happened, it is the first time when I
> > found the bug formulating a senstence while writing e-mail not while
> > peering to code. :-)
> >
> > Congratulations :-)
>
> Just to confirm, this fix works for me as well.
>
> ...
> > Indeed, this bug exists in 2.4 as well of course.
> >
> > This bug is 2.4.3 vintage :-) It got added as part of initial
> > zerocopy merge in fact.
>
> Odd, then, that it I was unable to reproduce the SSH hangs under 2.4.18
> even once, despite heavily using it for several days under the same
> circumstances. Is there any reason 2.4.x would be better able to recover?
> 2.5.59 with the fix seems to feel a bit less balky than 2.4.18 without the
> fix, so it seemed to me that 2.4.18 had some way of recovering at the cost
> of a several second pause in the session.

The problem which I have been seeing with some regularity is not the hang
you describe (I see that infrequently) but rather a hang after I exit an
ssh connection. I open several dozen windows at a time to a cluster when I
do admin, and when I close almost always at least one doesn't drop without
"~." to help. So far in a hour I haven't seen that.

--
bill davidsen <davidsen@tmr.com>
CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.