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Date:      Mon, 26 Jun 2006 02:20:12 -0300 (ADT)
From:      "Marc G. Fournier" <scrappy@hub.org>
To:        Kostik Belousov <kostikbel@gmail.com>
Cc:        freebsd-stable@freebsd.org, Dmitry Morozovsky <marck@rinet.ru>
Subject:   Re: vmstat 'b' (disk busy?) field keeps climbing ...
Message-ID:  <20060626021616.W1114@ganymede.hub.org>
In-Reply-To: <20060626045547.GI79678@deviant.kiev.zoral.com.ua>
References:  <20060624090656.GB79678@deviant.kiev.zoral.com.ua> <20060624145432.A1114@ganymede.hub.org> <20060624221556.O30039@woozle.rinet.ru> <20060624152525.D1114@ganymede.hub.org> <20060625164752.H52500@woozle.rinet.ru> <20060625105843.O1114@ganymede.hub.org> <20060625211510.D52500@woozle.rinet.ru> <20060625154247.N1114@ganymede.hub.org> <20060626014210.P1114@ganymede.hub.org> <20060626014601.E1114@ganymede.hub.org> <20060626045547.GI79678@deviant.kiev.zoral.com.ua>

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On Mon, 26 Jun 2006, Kostik Belousov wrote:

> Yes, this looks like a deadlock. As I understand, that's on 6.1-STABLE ?

Yes, kernel sources, it seems, from May 25th, according to my /usr/src 
tree ...

> BTW, do you use snapshots ?

Not that I've explicitly enabled ...

> I think that without ddb access, diagnose and debug the problem would be 
> quite hard.

Would it be a simple matter of:

CTL-ALT-ESC
panic

to get it to dump core?  Or would more be involved?  Would a core dump 
even work?

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email . scrappy@hub.org                              MSN . scrappy@hub.org
Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664



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