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Date:      Thu, 6 Oct 2016 00:34:03 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Torfinn Ingolfsen <torfinn.ingolfsen@getmail.no>, freebsd-stable@FreeBSD.org
Subject:   Re: aibs(4) / atk0110 support for newer systems
Message-ID:  <13fde509-5081-3e44-6729-352f814585af@FreeBSD.org>
In-Reply-To: <20161005222831.e674c3a134266c2e1edc523e@getmail.no>
References:  <86cf8380-ac6f-55f0-f0f8-16000d7f04b2@FreeBSD.org> <20160930145704.4dbc9d90011154b38493964e@getmail.no> <7d498084-ec05-d4c9-5f49-6aef32495caf@FreeBSD.org> <20160930205928.77d7e74f7bd1a35fcf1aa50a@getmail.no> <7a868c22-e0bd-f677-e4ad-2bdf6f3605d0@FreeBSD.org> <20161003201511.7258687453f12c44a46a361a@getmail.no> <f9fbb905-2bd7-0b1d-3baa-85061258718d@FreeBSD.org> <20161005143723.4273657959160b67637a5adf@getmail.no> <4c431c8a-7c8c-4336-b948-6e9ae882c0fc@FreeBSD.org> <20161005222831.e674c3a134266c2e1edc523e@getmail.no>

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On 05/10/2016 23:28, Torfinn Ingolfsen wrote:
> On Wed, 5 Oct 2016 16:09:40 +0300
> Andriy Gapon <avg@FreeBSD.org> wrote:
> 
>>
>> Seems like this is a clang vs gcc issue as I didn't get warnings here.
>> Could you please simply add initialization to those variables in aibs_attach_ggrp()?
>> E.g.:
>> s_idx = NULL;
>> so = NULL;
> 
> I ended up adding
>         s_idx = NULL;
>         so = NULL;
>         name = NULL;
> 
> to aibs_attach_ggrp(), that made the module compile.

Okay, thank for letting me know.

> Unfortunately, my machines panics as soon as this module is loaded:

Not good...

> root@kg-core1# cat /var/crash/info.0
> Dump header from device /dev/ada0p3
>   Architecture: amd64
>   Architecture Version: 2
>   Dump Length: 1466040320B (1398 MB)
>   Blocksize: 512
>   Dumptime: Wed Oct  5 21:48:42 2016
>   Hostname: kg-core1.kg4.no
>   Magic: FreeBSD Kernel Dump
>   Version String: FreeBSD 9.3-STABLE #3 r304838: Fri Aug 26 12:11:25 CEST 2016
>     root@kg-core1.kg4.no:/usr/obj/usr/src/sys/GENERIC
>   Panic String: page fault
>   Dump Parity: 1914870814
>   Bounds: 0
>   Dump Status: good
> 
> core.txt.0 attached
> HTH

Seems like the module got built without debug symbols.
Please try
	make KERNBUILDDIR=/usr/obj/...


-- 
Andriy Gapon



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