Re: kern/57659: closing pipe writefd fails to wake concurrent write on same writefd

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

The following reply was made to PR kern/57659; it has been noted by GNATS.

From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: netbsd-bugs%NetBSD.org@localhost
Subject: Re: kern/57659: closing pipe writefd fails to wake concurrent write on same writefd
Date: Sun, 15 Oct 2023 13:16:10 +0000

 Correction: not sure if this is broken in HEAD in a hard kernel, but
 the whole cv_fdrestart mechanism is completely broken in a rump kernel
 so my tests are inconclusive.  (Tested on an earlier current hard
 kernel and a todayish rump kernel.)