Subject: Re: kern/32682: netbsd-3 ptyfs intermittent failure with Matlab
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Hauke Fath <hf@spg.tu-darmstadt.de>
List: netbsd-bugs
Date: 09/19/2006 15:25:03
The following reply was made to PR kern/32682; it has been noted by GNATS.
From: Hauke Fath <hf@spg.tu-darmstadt.de>
To: christos@zoulas.com (Christos Zoulas)
Cc: gnats-bugs@NetBSD.org, kern-bug-people@NetBSD.org,
gnats-admin@NetBSD.org
Subject: Re: kern/32682: netbsd-3 ptyfs intermittent failure with Matlab
Date: Tue, 19 Sep 2006 14:32:49 +0200
Am 25.07.2006 um 12:00 Uhr -0400 schrieb Christos Zoulas:
>On Jul 25, 2:26pm, hf@spg.tu-darmstadt.de (Hauke Fath) wrote:
>
>| >| But I still see matlab failing to open a /dev/pts/? every now and
>| >| then, although the /dev/ptmx && /dev/pts/? way should be the only way
>| >| to get a pty on the machine now, so no concurrent access, right?|
>|
>| Yet another data point: When another user logs in, with or without
>| running Matlab, this frequently "fixes" the pty problem for the first
>| user.
>|
>| >I have a theory. The pty returned by ptmx is not being marked as in
>| >use immediately, so it can be potentially returned twice to two different
>| >processes. I will check.
>|
>| Did you get any further with that theory?
>
>No, I have not and I am swamped between work and moving to a new apartment
>(I have no working internet or computers where I've moved yet).
>I will be more available in a couple of weeks, sorry.
Hi Christos,
have you found any time for looking into this in the meantime? I kind
of get prodded daily over the issue... ;)
hauke
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