Date: Wed, 19 Jun 2013 15:21:43 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Adam Strohl" <adams-freebsd@ateamsystems.com>, "Jeremy Chadwick" <jdc@koitsu.org> Cc: freebsd-stable@freebsd.org Subject: Re: shutdown -r / shutdown -h / reboot all hang and don't cleanly dismount Message-ID: <5E09EEAA4AD54088B5B4C763CA01E967@multiplay.co.uk> References: <51C1979D.3010305@ateamsystems.com> <20130619122143.GA70813@icarus.home.lan> <51C1A9BF.8030304@ateamsystems.com> <20130619133538.GA71689@icarus.home.lan> <51C1BCF6.8090606@ateamsystems.com>
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----- Original Message -----
From: "Adam Strohl" <adams-freebsd@ateamsystems.com>
To: "Jeremy Chadwick" <jdc@koitsu.org>
Cc: <freebsd-stable@freebsd.org>
Sent: Wednesday, June 19, 2013 3:15 PM
Subject: Re: shutdown -r / shutdown -h / reboot all hang and don't cleanly dismount
> On 6/19/2013 20:35, Jeremy Chadwick wrote:
>
>>> Nope, I see basically the same thing sometimes under ESXi 5.0
>>> Hypervisor (and yes it worries me the implications of something so
>>> broad). Those unites I just haven't been able to isolate on a
>>> server which isn't critical. Lets focus on this server for now
>>> though per your suggestion below.
>>
>> I'm sorry but I don't understand your first sentence -- the first part
>> of your sentence says "nope" (I have to assume in reply to my "on bare
>> metal" part), but then says "I see basically the same thing sometimes
>> under ESXi" which implies an alternate environment in comparison (i.e.
>> we *are* talking about bare metal). Consider me confused. :-)
>
> Basically: The issue is extremely similar if not the same root cause, be
> it a native or virtual server. This server though is native.
>
>>
>>>> 2. We need to know what version of "9.1" you're using, i.e. 9.1-RELEASE.
>>>> If you use stable/9 (RELENG_9) we need to see uname -a output (you can
>>>> hide the machine name if you want).
>>>
>>> Sorry, this ZFS box is 9.1-R P4 (kernel built today):
>>>
>>> FreeBSD ilos.dsn 9.1-RELEASE-p4 FreeBSD 9.1-RELEASE-p4 #6: Wed Jun
>>> 19 15:31:12 ICT 2013
>>> root@hostname:/usr/obj/usr/src/sys/ATEAMSYSTEMS amd64
>>
>> I suggest trying stable/9 (and staying with it, for that matter).
>
> The issue is no binary updates and we have a large deploy base, so we've
> stuck with -R and use it internally because it's what we deploy.
You still need to test if stable/9 fixes your issue though as otherwise
you don't know if the issue your seeing has already been fixed, and if
its the old know ZFS vfs hang on shutdown, it has.
Regards
Steve
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