From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 23 Oct 2010 15:54:10 +0100 (BST) From: edward.robbins@domain.hid MIME-Version: 1.0 Content-Type: text/plain;charset=UTF-8 Content-Transfer-Encoding: quoted-printable Message-ID: <1287845650.32319352@domain.hid> Subject: Re: [Xenomai-help] Very high latencies under stress testing List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@xenomai.org Forgot to copy the list:=0A=0A=0AOkay, so smi.c does not appear to contain = my the PCI ID of my LPC chip. Motherboard has intel GS45 chipset, and "lspc= i -nn" says:=0A=0A00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M-E LPC = Interface Controller [8086:2917] (rev 03)=0A=0AIs this what I'm looking for= ? (What has ISA got to do with this?)=0A=0AThis PCI ID is not defined in ei= ther include/linux/pci_ids.h or include/asm-generic/xenomai/pci_ids.h, alth= ough there are these entries:=0A=0APCI_DEVICE_ID_INTEL_ICH9_7 0x2916= =0APCI_DEVICE_ID_INTEL_ICH9_8 0x2918=0A=0ASo I guess I should add = =0A=0A#define PCI_DEVICE_ID_INTEL_ICH9_9 0x2917 =0A=0Ato xenomai/pci= _ids.h, then add this define to smi.c, and see if magic happens?=0A=0AThank= s for walking me through this!=0A=0AEdward=0A=0AOn Saturday, 23 October, 20= 10 3:10pm, "Gilles Chanteperdrix" said:= =0A=0A> edward.robbins@domain.hid wrote:=0A>> Oh no...=0A>>= =0A>> dmesg | grep SMI=0A>>=0A>> CPU0: Thermal monitoring handled by SMI CP= U1: Thermal monitoring=0A>> handled by SMI=0A>>=0A>> So I guess that didn't= work? I have used the 'Globally disable SMIs=0A>> option' at kernel config= time.... there is an option in the BIOS to=0A>> disable SMI but I was hav= ing problems with it... will investigate.=0A>> Any other options?=0A> =0A> = See:=0A> http://www.xenomai.org/index.php/Configuring_x86_kernels#In_case_o= f_high_latencies=0A> =0A> Note that if SMIs are involved in regulating temp= erature on your system,=0A> disabling them may cause your CPU to overheat. = So, when running dohell,=0A> you should check the CPU temperature.=0A> =0A>= --=0A> Gil= les.=0A>