From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <512CA7FA.60807@siemens.com> Date: Tue, 26 Feb 2013 13:18:02 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <5123BCE7.2050609@xenomai.org> <224444793.158669.1360843957336.JavaMail.ngmail@webmail16.arcor-online.net> <511CD5C2.50701@arcor.de> <511CD673.2030400@xenomai.org> <511CDF65.1020907@arcor.de> <511D3A22.40307@xenomai.org> <511DF30B.6040601@arcor.de> <511E26AE.1010203@xenomai.org> <511E3A5C.4000209@arcor.de> <51237586.6030201@arcor.de> <963432115.61822.1361872899385.JavaMail.ngmail@webmail10.arcor-online.net> <512CA697.5060405@xenomai.org> In-Reply-To: <512CA697.5060405@xenomai.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] kernel configuration problems with ACPI List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org On 2013-02-26 13:12, Gilles Chanteperdrix wrote: > On 02/26/2013 11:01 AM, hahnchristopher@arcor.de wrote: > >> On 02/19/2013 6:56 PM, Gilles Chanteperdrix wrote: >>> On 02/19/2013 01:52 PM, Christopher Hahn wrote: >>> >>>> Do you have any idea how to solve the problem? >>>> Even if the system receives interrupts at IRQ 4, the program doesn't >>>> receive any message from the serial port with this kernel configuration. >>> >>> >>> Trying to register the irq handler as level instead of edge? >>> >>> -- >>> Gilles. >>> >> >> I removed the 'RTDM_IRQTYPE_EDGE' from ksrc/drivers/serial/16550A.c at line 123. >> >> Now I get 'Xenomai: xnintr_shirq_handler: IRQ4 not handled. Disabling IRQ line.' > > > Jan, any idea? Not really. If there is an IRQ and the UART says "not for me", either the UART is buggy or someone else injects on that line. Linux uses that UART normally on IRQ 4 as well? Is there any IPMI / Serial-over-LAN stuff configured in the BIOS? If so, disable. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux