kern/161968: [zfs] [hang] renaming snapshot with -r including a zvol snapshot causes total ZFS freeze/lockup

[Paavo Pokkinen]

The following reply was made to PR kern/161968; it has been noted by GNATS.

From: Paavo Pokkinen <paavopok at ee.oulu.fi>
To: bug-followup at FreeBSD.org, peter.maloney at brockmann-consult.de
Cc:  
Subject: Re: kern/161968: [zfs] [hang] renaming snapshot with -r including
 a zvol snapshot causes total ZFS freeze/lockup
Date: Mon, 03 Sep 2012 23:25:00 +0300

 I did some testing, and it appears at least in my case hanging is 
 related to presence of zvols. I removed my swap zvol, and renaming 
 snapshots appears to work fine. Then I created the zvol (did not 
 swapon), and hang appeared just like previously.
 
 --
 Paavo Pokkinen