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Date:      Wed, 6 Nov 2013 22:14:28 +1300
From:      Matt Magoffin <matt@msqr.us>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: 9.2-RELEASE amd64 panic: vn_open_cred
Message-ID:  <D0BA9FE0-8CF2-4221-85A0-27EED6A48048@msqr.us>
In-Reply-To: <20131106035350.GC59496@kib.kiev.ua>
References:  <DF88429C-058E-4756-AFC4-F97249FF54AA@msqr.us> <20131106022932.GY59496@kib.kiev.ua> <57A9579D-7BA6-4ED8-9EE0-D2B5949F8D26@msqr.us> <20131106035350.GC59496@kib.kiev.ua>
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[-- Attachment #1 --]
On Nov 6, 2013, at 4:53 PM, Konstantin Belousov <kostikbel@gmail.com> wrote:

>>> At least, look up the source line number for the VOP_ADD_WRITECOUNT_APV+0x78,
>>> by loading the kernel.debug into kgdb and doing
>>> list *VOP_ADD_WRITECOUNT_APV+0x78
>>> The lines should be from the build-time generated file vnode_if.c, so please
>>> provide the excerpt from the source file around the reported line.
>> 
>> I am running a GENERIC amd64 kernel, which I have not compiled. Is there a way to deduce the appropriate line without a dump? Or, would I need to trigger a panic in another machine running the same kernel?
>> 
> The system comes with kernel.symbols file, which should be enough.
> You do not need a core to do what I requested.

Is it possible to answer your question on a different machine, as I am not able to bring the system in question down for some time now. I am not clear on exactly how I can perform what you have requested.

> Well, pefs.ko definitely does not come with 9.2. I have no idea what
> ipl.ko is. I think you should start with recompiling whatever modules
> you have besides base system, before we go any further.

Perhaps I mis-understood what "out of tree" meant. pefs.ko is the only kernel module I compiled myself, but from the sysutils/pefs-kmod ports tree package. I had re-compiled that after upgrading to 9.2.

ipl.ko is the IP Filter kernel module. That is loaded via ipfilter_load="YES" in my /boot/loader.conf.

Cheers,
Matt
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