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Date: Fri, 15 Feb 2013 13:14:38 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] kernel configuration problems with ACPI
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To: Christopher Hahn <hahnchristopher@arcor.de>
Cc: xenomai@xenomai.org

On 02/15/2013 09:34 AM, Christopher Hahn wrote:

> after running the application which accesses the serial device
> "Xenomai: xnintr_edge_shirq_handler: IRQ4 not handled. Disabling IRQ
> line." was printed to dmesg and the next two outputs of
> /proc/interrupts and /proc/xenomai/irq


If xnintr_edge_shirq_handler is called, an RTDM driver registered a
handler for this irq. So, please keep the application running with all
the file descriptors opened, and run cat /proc/xenomai/irq while the
application is still running.

The most logical result would be that irq 4 is claimed by the 16550A driver.


-- 
                                                                Gilles.