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Date:      Mon, 25 May 2009 15:36:51 +0400
From:      "Marat N.Afanasyev" <amarat@ksu.ru>
To:        Ivan Voras <ivoras@freebsd.org>
Cc:        freebsd-current@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: gjournal locks up
Message-ID:  <4A1A82D3.3000804@ksu.ru>
In-Reply-To: <gvduv1$qkp$1@ger.gmane.org>
References:  <4d7dd86f0905250042v61f2af6cl943b665cdbeb26a3@mail.gmail.com>	<gvdkaa$qs4$1@ger.gmane.org>	<4d7dd86f0905250339o6e395102l5074198b38143970@mail.gmail.com>	<gvdtes$lu3$1@ger.gmane.org>	<4d7dd86f0905250415u32171606qaf9b64185da1a50@mail.gmail.com> <gvduv1$qkp$1@ger.gmane.org>
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[-- Attachment #1 --]
Ivan Voras wrote:
> David N wrote:
>> 2009/5/25 Ivan Voras <ivoras@freebsd.org>:
>>> David N wrote:
>>>
>>>> The first time it locked up was when i was copying
>>>> cp -va
>>>> from one disk (degraded mirrror) to the other disk (degraded mirror +
>>>> gjournal). Copied around 40GB until it locked up. It did it 3 times
>>>> before i manage to copy everything over. Re-syncing of the mirror
>>>> works fine.
>>>>
>>>> Should i use
>>>> options KDB
>>>> options DDB
>>>> options INVARIANTS
>>>> options INVARIANTS_SUPPORT
>>>> options WITNESS
>>>> options DIAGNOSTIC
>>>> ?
>>> You can leave DIAGNOSTIC out.
>>>
>>> I'd still like you to post process' states (wchan) - in your case, of
>>> the "cp" process.
>> How would i go about doing that?
>> Sorry, I'm new to debugging FreeBSD, been using for a long time though.
> 
> You can see them in "top" or you can do "ps axul".
> 
usually when disc subsystem locks no program can be launched neither 
top, nor ps ;) i'd rather use ^T while cp hang

-- 
SY, Marat

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