kern/172952: 9.1 hangs on reboot after all buffers synced

[Travis Mikalson]

The following reply was made to PR kern/172952; it has been noted by GNATS.

From: Travis Mikalson <bofh at terranova.net>
To: Andriy Gapon <avg at FreeBSD.org>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/172952: 9.1 hangs on reboot after all buffers synced
Date: Tue, 23 Oct 2012 04:05:17 -0400

 Andriy Gapon wrote:
 > on 22/10/2012 13:18 Travis Mikalson said the following:
 >> Screen shot of issue: http://tog.net/reboothang-freebsd91.jpg
 > 
 > Is there any additional useful information if you set sysctl debug.bootverbose=1
 > before reboot?
 
 I'm afraid not. There is actually zero additional verbosity in the
 shutdown kernel messages after setting sysctl debug.bootverbose=1.
 
 I increased all other forms of additional verbosity and absolutely
 nothing additional is shown during shutdown, sorry.