From: Andrew de Quincey <adq_dvb@lidskialf.net>
To: Rahul Karnik <rahul@genebrew.com>,
       Marcelo Penna Guerra <eu@marcelopenna.org>
Subject: Re: [PATCH] nvidia nforce 1.0-261 nvnet for kernel 2.5
Date: Sun, 27 Jul 2003 12:19:05 +0100
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Cc: lkml <linux-kernel@vger.kernel.org>, Laurens <masterpe@xs4all.nl>,
       Jeff Garzik <jgarzik@pobox.com>
References: <200307262309.20074.adq_dvb@lidskialf.net> <200307262326.49638.eu@marcelopenna.org> <3F236A4A.2090302@genebrew.com>
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On Sunday 27 July 2003 06:59, Rahul Karnik wrote:
> Marcelo Penna Guerra wrote:
> > Hi,
> >
> >>From nvnet.c:
> >
> >    /*
> >      * Mac address is loaded at boot time into h/w reg, but it's loaded
> > backwards
> >      * we get the address, save it, and reverse it. The saved value is
> > loaded * back into address at close time.
> >      */
> >
> > PRINTK(DEBUG_INIT, "nvnet_init - get mac address\n");
> >     priv->hwapi->pfnGetNodeAddress(priv->hwapi->pADCX, priv-
> >
> >>original_mac_addr);
>
> Well, I wanted to reload the module with debug on, so I tried:
>
> # modprobe -r nvnet
> Segmentation fault
>
> #lsmod
>
> At this point lsmod just hung.
>
> Tried shutting down the computer, and it was stuck during shutdown.
> Seems like the refcounting is not really working, or perhaps there are
> too many cycles happening. What happens if you do the following with a
> module:
>
> try_module_get
> MOD_INC_USE_COUNT
> MOD_DEC_USE_COUNT
> module_put
>
> > But I don't think the only thing missing is the MAC address. You could
> > try to manually set it in the source itself and see if anything works.
>
> I'll just add it in BIOS and try with AMD8111. No desire to futz around
> with the nvnet source, where half of what is going on is a complete
> black box (priv->hwapi, "priv" is definitely *private*).
>
> Thanks,
> Rahul
>
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