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Date:      Mon, 4 Dec 2000 12:28:36 -0600 (CST)
From:      Reverend K Kanno <presence@churchofinformationwarfare.org>
To:        Vivek Khera <khera@kciLink.com>
Cc:        stable@freebsd.org
Subject:   Re: scary looking bt0 kernel messages
Message-ID:  <Pine.NEB.3.96.1001204122610.85739A-100000@shell-1.enteract.com>
In-Reply-To: <14891.54784.516820.902042@onceler.kciLink.com>

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> I found these in my daily email message for one of my servers:
> 
> > bt0: Encountered busy mailbox with 191 out of 192 commands active!!!
> > bt0: btdone - Attempt to free non-active BCCB 0xcb36e740
> > (da0:bt0:0:0:0): CCB 0xcb36db40 - timed out
> > bt0: btdone - Attempt to free non-active BCCB 0xcb36d3c0
> > (da0:bt0:0:0:0): CCB 0xcb36db40 - timed out
> > bt0: No longer in timeout
> 
> Where can I find out more about the implications of these messages?
> Ie, is some tuning required or is something about to die?
> 
> I'm about to upgrade the box to 4.2-STABLE built from cvsup of last
> Thursday, in case it is a driver issue.

I had this happen as well on a Dell 2450 with a Mylex 958 controller. I croned
a sync every minute and it went away. Back on a tyan motherboard this problem
never showed up.





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