Date: Thu, 17 Jan 2013 14:26:53 -0000 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Willem Jan Withagen" <wjw@digiware.nl>, "Julian Stecklina" <jsteckli@os.inf.tu-dresden.de> Cc: freebsd-stable@FreeBSD.org, Andriy Gapon <avg@FreeBSD.org> Subject: Re: Some new hardware with 9.1 does not reboot easily Message-ID: <4B9E14C6DBAC4784BF070100E3601314@multiplay.co.uk> References: <50ACA518.4050309@digiware.nl> <50AD0AC2.5070804@FreeBSD.org> <50AD0B29.6060602@FreeBSD.org> <50AD0F00.5020600@digiware.nl> <50AD13EE.8050901@digiware.nl> <50AD17E4.50104@FreeBSD.org> <50AD189D.4040902@digiware.nl> <50AD1941.2020108@FreeBSD.org> <50ADF362.2040803@FreeBSD.org> <20121123140932.3a6deff6@mr129166> <50AF88AA.1060003@FreeBSD.org> <50AFF419.3070604@digiware.nl> <50AFF7C1.2090405@FreeBSD.org> <50AFFB9C.8050101@digiware.nl> <20121126111052.68136d00@mr129166> <50B3421B.2010606@FreeBSD.org> <20121129094137.6829eae8@mr129166> <50B7229D.4090901@digiware.nl> <50B77A6A.9050604@FreeBSD.org> <50B77C3B.6070305@digiware.nl> <50B77D70.1000803@FreeBSD.org> <871udwgbya.fsf@os.inf.tu-dresden.de> <50F06A43.801@digiware.nl> <50F7142B.7080504@FreeBSD.org> <86386CBB12394FDAB981F1C19CBC520B@multiplay.co.uk> <0bba4bca-218c-434a-a25d-a988df155207@email.android.com> <50F80688.7080800@digiware.nl>
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----- Original Message -----
From: "Willem Jan Withagen" <wjw@digiware.nl>
To: "Julian Stecklina" <jsteckli@os.inf.tu-dresden.de>
Cc: "Steven Hartland" <killing@multiplay.co.uk>; "Andriy Gapon" <avg@FreeBSD.org>; <freebsd-stable@FreeBSD.org>
Sent: Thursday, January 17, 2013 2:11 PM
Subject: Re: Some new hardware with 9.1 does not reboot easily
> On 2013-01-17 3:08, Julian Stecklina wrote:
>>
>>
>> Steven Hartland <killing@multiplay.co.uk> wrote:
>>
>>> ----- Original Message ----- From: "Andriy Gapon"
>>> <avg@FreeBSD.org>
>>>
>>>
>>>> on 11/01/2013 21:38 Willem Jan Withagen said the following:
>>>>> On 2013-01-07 18:06, Julian Stecklina wrote:
>>>>>> Has this been resolved? I still see a hang on reboot/shutdown
>>>>>> on my
>>> box
>>>>>> (zfs root on USB thumb drive), but I am not sure if the
>>>>>> problem is related.
>>>>>
>>>>> Could very well be be.
>>>>>
>>>>> I have again the same problem as I reported before with the
>>>>> full and
>>> new
>>>>> 9.1 code. But did not have time yet to build a system te test
>>>>> with.
>>>>>
>>>>> My other 9.1 box is my ZFS only fileserver. And I do not want
>>>>> to
>>> fidle
>>>>> to much with it.
>>>
>>> Not sure if this has been suggested or ruled out as yet but if you
>>> have usb enabled, you don't need to be using it, try the following
>>> see if it helps?
>>>
>>> sysctl hw.usb.no_shutdown_wait=1
>>
>> With that sysctl set the box shuts down just fine. Thanks!
>>
>>>
>>> If it does 1. Temporary fix is to pop that in /etc/sysctl.conf 2.
>>> Worth investigating which USB component isn't dropping references
>>> correctly.
>>
>> I only have an USB thumb drive and a USB soundcard attached. I tried
>> it without the soundcard attached and would still not reset/shutdown,
>> so that does not seem to be the problem.
>>
>> I attached usbconfig list output.
>
> Hi all,
>
> This is with:
> FreeBSD zfs.digiware.nl 9.1-STABLE FreeBSD 9.1-STABLE #59 r245340:
> Sun Jan 13 06:49:37 CET 2013
>
> I removed my WD USB disk, and it started to reboot just fine....
> And as such I think it is a combination of USB storage and ZFS.
>
> So it could very well be a derivative of the previous problems where a
> more complex situation in storage ended up in deadlock.
>
> Thanx to Steven for putting the finger in the correct hole in the dike....
> For the time being I'll just pop the sysctl into the config.
I don't "think" it will FS related, when I looked it was purely a device reference
count thing.
If you have a blank or unmounted device plugged in does it still fail to reboot
without that sysctl?
Regards
Steve
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