On 19-6-2013 15:41, Steven Hartland wrote:
----- Original Message ----- From: "Ronald Klop"
<[email protected]>


On Wed, 19 Jun 2013 14:53:19 +0200, Adam Strohl
<[email protected]> wrote:

On 6/19/2013 19:21, Jeremy Chadwick wrote:
On Wed, Jun 19, 2013 at 06:35:57PM +0700, Adam Strohl wrote:
Hello -STABLE@,

So I've seen this situation seemingly randomly on a number of both
physical 9.1 boxes as well as VMs for I would say 6-9 months at
least.  I finally have a physical box here that reproduces it
consistently that I can reboot easily (ie; not a production/client
server).

Hi,

My home computer had the same symptom (not rebooting after 'all
buffers flushed' message) a couple of months ago. But I follow
9-STABLE and the problem is gone for a while now.

avg@ did a lot of work on the ZFS vfs locking which fixed at least one
hang on reboot for ZFS. I don't believe this is in 9.1-RELEASE, so you
should test a stable/9 or 8.4-RELEASE (which is newer than 9.1-RELEASE)
kernel.

I was one of the victims of this bug, a while back.
Patched and ran a lot of diffs from avg@, even tried some stuff he wrote for -Current, but we got things working. And in the end it was integrated into -STABLE. So I'm running an unpatched -STABLE, and I did not have the problem since.

Currently running:
9.1-STABLE FreeBSD 9.1-STABLE #172 r250288: Mon May 6 06:49:36 CEST 2013

And the system got rebooted only just this week for some maintenance.

So either you take a look at the -Current code to see if more changes have been made, or perhaps ask avg@ for suggestions.

--WjW

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