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Date:      Sat, 9 Oct 1999 19:40:42 +0200 (CEST)
From:      hm@kts.org (Hellmuth Michaelis)
To:        mranner@netway.at
Cc:        freebsd-isdn@FreeBSD.ORG
Subject:   Re: cause 63 - problem with Fritz! PCI and i4b-0.83
Message-ID:  <m11a0U6-00002XC@bert.kts.org>
In-Reply-To: <XFMail.991009152320.mranner@netway.at> from Michael Ranner at "Oct 9, 1999  3:23:20 pm"

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Michael Ranner wrote:

> Nearly every day (20h - 30h uptime) I have the following
> problem with i4b-0.83 under FreeBSD 3.2-RELEASE:

[...]

> Oct  6 11:10:22 files /kernel: i4b-L1-timer4_expired: state = F3 Deactivated
> Oct  6 11:10:22 files /kernel: i4b-L2-i4b_mph_status_ind: unit 0, persistent
> deactivation!
> Oct  6 11:10:22 files /kernel: i4b-L3-i4b_mdl_status_ind: STI_PDEACT: unit 0
> TEI = 0 = 0x00

[...]

> I have to reboot the system to fix this problem

Recently i bought another PBX (i needed one with a clean internal protocol
stack and which switches off Layer 1, which my other one didn't) to be
able to debug the i4b-L1-timer4_expired messages reported by others.

Since i moved my ISDN i4b-operated equipment to this PBX (which now shuts
Layer 1 properly down when noone is using the bus) i've seen the above
described effect once.

It was a 3.2-STABLE system with a Teles 16.3 and i also had to reboot 
to recover from this.

This seems to be a bug in i4b.

I doubt i'll currently get the time and silence necessary to debug this.

hellmuth
-- 
Hellmuth Michaelis                hm@kts.org                   Hamburg, Europe
 We all live in a yellow subroutine, yellow subroutine, yellow subroutine ...


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