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Date: Mon, 3 Sep 2012 20:30:14 GMT
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To: freebsd-fs@FreeBSD.org
From: Paavo Pokkinen <paavopok@ee.oulu.fi>
Cc: 
Subject: Re: kern/161968: [zfs] [hang] renaming snapshot with -r including
 a zvol snapshot causes total ZFS freeze/lockup
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The following reply was made to PR kern/161968; it has been noted by GNATS.

From: Paavo Pokkinen <paavopok@ee.oulu.fi>
To: bug-followup@FreeBSD.org, peter.maloney@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