From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Error while binding VIRQ to IRQ_HANDLER
Date: Wed, 10 Nov 2010 09:14:25 -0500
Message-ID: <20101110141425.GA16120@dumpdata.com>
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To: "Srujan D. Kotikela" <ksrujandas@gmail.com>
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On Tue, Nov 09, 2010 at 10:43:46AM -0600, Srujan D. Kotikela wrote:
> Hi,
> 
> I wrote a kernel module for handling a custom VIRQ. It is *compiling* fine,
> but when I try to do *modprobe * it's giving me the following error:
> 
> FATAL: Error inserting vbase (/lib/modules/
> > 2.6.18.8/kernel/drivers/xen/vbase/vbase.ko): Unknown symbol in module, or
> > unknown parameter (see dmesg)
> 
> 
> The output of dmesg is as follows:
> 
> vbase: Unknown symbol bind_virq_to_irqhandler

You will to tweak your Linux kernel source to have 'EXPORT_SYMBOL_GPL' around
that function and recompile your kernel.