From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <ee9e417a05020408523267f1b4@mail.gmail.com>
Date: Fri,  4 Feb 2005 11:52:44 -0500
From: Russ Cox <russcox@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] rc internals
In-Reply-To: <Pine.LNX.4.60.0502041123030.10711@athena>
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> I'm looking into a bug in the p9p rc that pops up
> on my freebsd machine.  Sometimes subshells don't
> return what they ought (or so it currently seems).

A few others have reported that bug too.
Your trace is helpful.  I didn't even know about rc -r.
Try putting
    print("notifyf pid %d: %s\n", getpid(), s);
at the top of notifyf.

Russ