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From: Achim Gratz <Stromeko AT nexgo DOT de>
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 1.7.35-0.3
References: <announce DOT 20150218105937 DOT GA28211 AT calimero DOT vinschen DOT de>	<87d255htw7 DOT fsf AT Rainer DOT invalid>	<20150220095617 DOT GO26084 AT calimero DOT vinschen DOT de>
Date: Fri, 20 Feb 2015 12:48:17 +0100
In-Reply-To: <20150220095617.GO26084@calimero.vinschen.de> (Corinna Vinschen's	message of "Fri, 20 Feb 2015 10:56:17 +0100")
Message-ID: <874mqgiz26.fsf@Rainer.invalid>
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Content-Type: text/plain

Corinna Vinschen writes:
> And it's fast with other shells?  Bash is reading/writing a history
> file, too, for instance...

Yes, that's the puzzling bit; although I don't have nearly the same
number of history lines in .bash_history, but the difference still is at
least an order of magnitude.

> I can't debug this.  Care to strace it to find out where the problem
> might be?  Is that a 1.7.34+ problem?

I think so.  Since I switched very early to the LDAP integration code
and have been running on snapshots most of the time since, I can't
really say when exactly this was introduced.

> Hmm.  On second thought, this might still be an LDAP problem.  I have a
> hunch, and it's related to
>
>   https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nfs
>   https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-samba
>
> But we need to discuss and debug this.  From me crummy little home
> network I have a hard time to see issues like that.

Me too, I usually only see this when I'm on business travel, although I
can use the VPN from home.

> One bug report at a time would be nice...  This could be related to the
> changes in tty read/write related to
> https://cygwin.com/ml/cygwin-developers/2014-11/msg00000.html
> but I have only 24h per day for hacking and debugging, too.  Sans sleep,
> sorry.

Understood.  The timing seems about right, I first noticed this
beginning of December.

> Yep.  We should contemplate to allow sending a signal to cygserver to
> invalidate its cache.  Somebody would have to code that.  Sigh.

Yes, yes. :-) In the meantime, restarting the service manually does
work, unfortunately I can't add this to the script that opens the VPN
tunnel.


Regards,
Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

SD adaptation for Waldorf microQ V2.22R2:
http://Synth.Stromeko.net/Downloads.html#WaldorfSDada

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