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Re: Question about peropens in the term server
From: |
Andrew Fleckenstein |
Subject: |
Re: Question about peropens in the term server |
Date: |
Thu, 9 Aug 2012 20:51:21 -0500 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
This also may be of interest: there is a peropen address created about halfway
down the list
that never gets destroyed.
Andrew Fleckenstein
On Fri, Aug 10, 2012 at 12:49:05AM +0200, Richard Braun wrote:
> Hello,
>
> While investigating an issue in the term server, I think I came across
> a weird problem. The issue is that, after logging in and out through
> ssh, a pty master will still consider itself open and refuse new
> sessions, leading to the exhaustion of all the precreated pairs after
> some time.
>
> The GDB traced I've obtained [1] shows a couple of matching
> create/destroy hooks, but the first (create) call, which trivfs control
> matches ptyctl (po->cntl == ptyctl), is never destroyed. At the same
> time, the last call shows a peropen address never seen before. How is
> it possible to see a peropen at release time never seen at creation
> time ?
>
> --
> Richard Braun
>