From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <511D3A22.40307@xenomai.org> Date: Thu, 14 Feb 2013 20:25:22 +0100 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <224444793.158669.1360843957336.JavaMail.ngmail@webmail16.arcor-online.net> <511CD5C2.50701@arcor.de> <511CD673.2030400@xenomai.org> <511CDF65.1020907@arcor.de> In-Reply-To: <511CDF65.1020907@arcor.de> 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: Christopher Hahn Cc: xenomai@xenomai.org On 02/14/2013 01:58 PM, Christopher Hahn wrote: > Am 14.02.2013 13:20, schrieb Gilles Chanteperdrix: >> On 02/14/2013 01:17 PM, Christopher Hahn wrote: >> >>> Am 14.02.2013 13:12, schrieb hahnchristopher@arcor.de: >>>> Hey guys, >>>> >>>> I'm running the new Xenomai 2.6.2.1 with 3.5.7 Kernel on a x86 machine. >>>> I tried several kernel configurations, but I haven't found the right one yet. >>>> >>>> The PC (ADLD25PC) uses a PEAK-Systems PCIE/104 CAN interface and two serialport devices. >>>> >>>> I have selected the CAN driver and 16550A driver as kernel modules. >>>> >>>> >>>> With kernel configuration "-xenomai4" the serial and can devices works, but there are only 2 CPUs detected - so the hyperthreading cores arn't detected. >>>> And I get a message during bootup "BIOS bug, no explicit IRQ entries, using default mptable. (tell your hw vendor)." >>>> This is my "best" solution so far - CONFIG_ACPI is completely disabled. >>>> >>>> >>>> In "-xenomai5" configuration is ACPI enabled as you can see in the attached kernel configs. >>>> The mptable message disappears, 4 cores are detected, but serial and can device IRQs get disabled. >>>> The can interface and a usb hub get IRQ 19 - thats solvable for me, but the serialport on IRQ 4 gets disabled and I don't know why. (lspci -v log is also attached) >>>> >>>> >>>> Could you point me in a direction how to combine the advantages of the two configurations? >>>> >>>> >>>> Thank you, >>>> >>>> Christopher >>> >>> Attachments now as txt files >> >> It would be interesting to have the kernel boot logs too. > > Sorry, here they are. > > I tested these two versions again and recognised that in "-xenomai5" the > CAN interface is working.. so there is "just" the serialport issue (IRQ > 4 disabled) left. Everything else seems to work correct. Please also post the result of cat /proc/interrupts and cat /proc/xenomai/irq But I guess the problem you have is that the IRQ 4 is shared. -- Gilles.