[Rtl]Call for papers FOSDEM 2003

2002-10-21 Thread Der Herr Hofrat
The 2003 edition of FOSDEM (Free and Open Source Developers' European Meeting) will take place in Brussels, Belgium on 8 and 9 February 2003. Embedded and realtime systems are among the fastest growing fields of R&D where Free Software solutions become important. Operating System development has al

Re: [Rtl]Coverage testing on modules

2002-10-18 Thread Der Herr Hofrat
> Hi all. > > I need to do coverage testing on my rtlinux code. > It seems that it is not possible to use gcov simply compiling modules with > gcc options "-fprofile-arcs -ftest-coverage"; in fact linking with insmod > such a module to the kernel, there is an unresolved symbol "__bb_init_func". >

Re: [Rtl]kmalloc inside RTLinux Thread ?????

2002-10-18 Thread Der Herr Hofrat
> Hi > > Could someone please explain me why using kmalloc() inside a RTL thread > make the system hangs, whereas it works fine inside init_module() > routine !!! becuase init_module may sleep within an rt-thread thats a problem - use kmalloc with GFP_ATOMIC and you should be safe (aside off cour

Re: [Rtl]is access to an integer in a RTL-thread atomic?

2002-10-16 Thread Der Herr Hofrat
> Hi RTL-Folks, > > Does somebody have some answers for the following question? > > You have two RTL threads and a global integer variable which is initial > set to zero. > > Thread one will change the global integer variable without the use of > any synchronisation mechanism to a new value.

Re: [Rtl]RAID and XFS experience with Rtlinux

2002-10-10 Thread Der Herr Hofrat
> Howdy, > > I was wondering if anyone has experience or anything to say on the > following topics: > > 1. Linux 2.4.18 with rtl-3.1 on two disks as RAID-1 with _hardware_ RAID > controller. running 2.4.18 with DAC960 on a PI-200 without any problems - did not notice any specific differences to

Re: [Rtl]RTlinux-3.1 on Redhat 7.3 with ext3 file system

2002-10-08 Thread Der Herr Hofrat
> Hi! > > Similar problem, too. The compiling process of kernel 2.4.18 works fine on > my new Redhat 7.3 system. I've patched both RTLinux 3.1 and Linux 2.4.18 > with > the patch that you sent to the "gearheart" directory under the link. > After rebooting into RTLinux. The failure message of "

Re: [Rtl]fifo roundtrip time

2002-10-02 Thread Der Herr Hofrat
> Greetings... > I have some test code that sends a fifo message > from an RTLinux module to a Redhat process, which > returns it. I find that the routrip time is > typically around 10 usec, which is fine. But... > I get periods of time where the roundrip time spikes > up to 100 msec (note the

Re: [Rtl]dubious behaviour of hello program in examples

2002-09-30 Thread Der Herr Hofrat
> > when i do "make test" > > it is not showing output .then i tinkered the make file changed the > sleep from 3 to 10, still iam not getting output > > then i tried "rtlinux start hello", then it shows the message that hello > modules is included with all the other rtlinux modules. > > and wh

Re: [Rtl]Scheduling!

2002-09-29 Thread Der Herr Hofrat
> > Hi All, > > I am new user to RTLinux and I am lookin into its code.I'll be thankful to > you if anyone can tell me which scheduling algorithm RTLinux uses for > scheduling the tasks(I mean RM or EDF).I mean how priority has been > calculated for RT Tasks? RTLinux uses a fixed priority sch

Re: [Rtl]problem with application library

2002-09-28 Thread Der Herr Hofrat
> Hi, > This is in continuation with yesterdays question about using > standard c library header files in rt linux modules. After checking > from web i came to know that for string functions we can include > if we are building kernel module. > The problem is, i have an application

Re: [Rtl]-- Achieving Atomicity !!!

2002-09-27 Thread Der Herr Hofrat
> > Will rtl_no_interrupts(), rtl_restore_interrupts() help > > me in achieving this atomicity. But if a high priority > > thread is kicked will the scheduler schedule this high > > priority thread immediately ? > > As far as I know, if interrupts are disabled, the thread can't be kicked. > Noth

Re: [Rtl](no subject)

2002-09-27 Thread Der Herr Hofrat
> Hi > pardon me if the question is repeated.i understand that in general > standard library functions cannot be used with rtlinux.Does that mean we > cannot use functions from string.h (like > strcpy,strcmp,memcpy,memcmp)also. many string functions are available (some are arch specific) in kerne

Re: [Rtl]Bad performace measure, help!

2002-09-26 Thread Der Herr Hofrat
> Hi, I want to run a periodic task every 500 us and measure the > performance of the RTLinux scheduler. I've tried to do this in the > following way: > > I run a RT-task as shown in the code below and print the deviation > from the previous run to /dev/rtf0. While the task is running I do > 'cat

Re: [Rtl]C file missing!!

2002-09-25 Thread Der Herr Hofrat
> Hi all, > > If you have observed one C file schedulers/compat.c is Missing in the > source code.Actually it provides compatiblity with Old APIs in RT Linux > version 3.0.Can anybody send me that C file(if it is there in ur source > code). > I assume you mean schedulers/rtl_compat.c - that file

Re: [Rtl]RTnet - LNet

2002-09-22 Thread Der Herr Hofrat
> Hi, > i have rtlinux 3.0 with me ... > but i cant find the Lnet or the RTnet in it . > > Should i need to enable some settings or should > i need to download some rpms ??? LNet is part of RTLinux/Pro - if you are interested in that comercial version of RTLinux contact fsmlabs at [EMAIL PROTEC

Re: [Rtl]rt_com !!

2002-09-22 Thread Der Herr Hofrat
> Hi, > I am doing serial port communication using rtlinux. > I found that rt_com is very useful . > But how to pass parameters to rt_com dynamically ? > that is how to pass parameters to module and > from there to the rt_com function ? > > int init_module(int argc, char *argv[]) > { >rt_com(

Re: [Rtl] RTLinux problem on PC104]

2002-09-22 Thread Der Herr Hofrat
> You were right the pocessor is not a c3 or cII is a ciryx 233 MediaGX > whith 32 dram and is detected by a mandrake 8.1 distribution as a Geode > 266Mhz with 60M ram. this will explain why the system hangs up randomly > how can i change this or should i use another distribution? this have > also

Re: [Rtl]errors in installing modules

2002-09-21 Thread Der Herr Hofrat
> hi > iam running kernel 2.4.4-rtl(it showed while booting) > then for configuring rtl > i did "make menuconfig" and selected defaults > then i compiled with "make" command > and did "sh scripts/insrtl" to install modules.. > its giving errors like > Unresolved symbols in rtl.o > Unresolved sym

Re: [Rtl] RTLinux problem on PC104]

2002-09-21 Thread Der Herr Hofrat
> i have been unable to compile a rtlinux kernel under pc104, i also > couldn't compile a starndart kernel with it. when everything seem to > work fine an the kernel starts to compile the system hungs up. i've > tried also a minirtl distribution which works but when i insmod my > rtmodule gives me

Re: [Rtl]rtlinux in x86

2002-09-21 Thread Der Herr Hofrat
> Hi all, > How to port into X86 board ?? Where to begin with ? > Good links / books ?? > > I am a newbie in rtlinux world . > > I have ported it into a floppy minirtl . > download the rtlinux-3.1.tar.gz and folow the install instructions in Installation.txt . rtlinux-3.1 can be found at:

Re: [Rtl]trouble in installing modules

2002-09-19 Thread Der Herr Hofrat
> i installed rtlinux 3.1(kernel patch 2.4.4) kernel on linux 2.4.4 > > when i do "sh scripts/insrtl" > > the iam getting errors . > like unresolved symbol.. > > at the end it (its giving a hint like below) > "Hint: > your trying to install a module with out a GPL compatible license

Re: [Rtl]writing a simple device driver

2002-09-17 Thread Der Herr Hofrat
> I have tried to write an experimental simple device driver as follows: > a few glitches * you did not pass pointers to the functions * you did not supply a release method (how should the kernel close the device again ??) * the default name for the cleanup function is cleanup_module

Re: [rtl] Bootable Floppy Image

2002-07-12 Thread Der Herr Hofrat
> Hi > > Presently we are doing R&D project on RtLinux . > Please Guide me how to make a floppy bootable image > for rtLinux. > I searched the net but i didnt get documentation > So if u know please send me the Detailed Procedure. > If you want to build a floppy image from scratch for Linux or R

Re: [rtl] mailing list mess...

2002-07-12 Thread Der Herr Hofrat
> If you don't mind I would like to know what is moderation. If it is a stupid > question please forgive me. > moderation is when all mails get sent to the moderator and are approved by him/her befor they go out to the list - this means that every mail is viewed by a human befor sending it out an

[rtl] mailing list mess...

2002-07-12 Thread Der Herr Hofrat
HI ! for what reson ever moderation did not work properly - mails were not going out - so moderation was turned off again (with the consequence of a garbage flood...). I will be moving the mailing list to use mailman in the next day or two - anybody that knows mailman and may want to assist

Re: [rtl] How to have real-time networking

2002-07-11 Thread Der Herr Hofrat
mail from Mr. Der Herr Hofrat > about this > the announcment was from Victor Yodaiken not me - but its on my list (and hopfully others too...) so testing of the submited patches (2.4.X,rt_com,psc) is running and I hope to get some core docs done soon aswell - contributions to this are most

Re: [rtl] How to have real-time networking

2002-07-11 Thread Der Herr Hofrat
> Yeah, busy networks are inherently non-real-time. But if you have > "complete" control over the traffic, it may be possible to place upper > bounds on things like transmission times (assuming a perfect transport > layer). Also, it's certainly possible to have a real-time system > communicating

[rtl] checking moderation - pleas ignore

2002-07-08 Thread Der Herr Hofrat
hofrat -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl " | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/

[rtl] BOUNCE rtl@rtlinux.org: Approval required: (fwd)

2002-07-07 Thread Der Herr Hofrat
>From [EMAIL PROTECTED] Sun Jul 7 12:43:47 2002 Received: from host110.fsmlabs.com (wn42-162.sdc.org [209.155.42.162]) by hq.fsmlabs.com (8.12.2/8.12.2) with ESMTP id g67IhlhY013612 for <[EMAIL PROTECTED]>; Sun, 7 Jul 2002 12:43:47 -0600 Received: from host110.fsmlabs.com (host110

Re: [rtl] problem in allocating memory in kernel

2002-07-07 Thread Der Herr Hofrat
> > From: <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, July 02, 2002 6:07 AM > Subject: [rtl] problem in allocating memory in kernel > > > hi,all > > In my program, memory (by using kmalloc) is allocated to form a chain > table in kernel(RTLinux v3.1): > > code in kernel:

Re: [rtl] Inexplicably realtime violations - need help

2002-07-07 Thread Der Herr Hofrat
> > Hi! > > First of all: Thanks for your hints, but... > I'm using the same ethernet-controller (eepro100) and no frame-buffer > devices. The problem also occurs in runlevel 1 with no ethernet driver > loaded. There are no modules except the rtl-ones... > I'm running no X-windows! > > Does a

Re: [rtl] problem in rtlinux installation

2002-07-06 Thread Der Herr Hofrat
> Hi all, > > I am a newbie for RTLinux, as well as kernel compiling. > > I am running linux RH7.2 on SMP machine. I presently have two kernels by > default - 2.4.7-10 and 2.4.7-10smp. I am going to compile a new one for > RTLinux, so I downloaded linux 2.4.4. kernel and rtlinux-3.1, followed

Re: [rtl] PCI Interrupt Handling

2002-07-06 Thread Der Herr Hofrat
> Dear Friends, > I am sending a mail after a long time. I am facing a problem now. Please > help me to come out of this. > > Environment: > > RT-Linux - Version 3.1 > Linux- 2.4.16 with RT patch from contribution > > Hardware > > Pentium III - 700 MHz > 128 MB S

Re: [rtl] rtlinux installing help?

2002-07-06 Thread Der Herr Hofrat
> > Hi: > I'm a newer to rtlinux. When i have finished installing the rtlinux according >to the installation.pdf from the ww.fsmlabs.com step by step, i can't load the >rtlinux modules, > that is when i input the command -"rtlinux start", system can not detect the >trl_time.o and just

Re: [rtl] using egcs to compile kernel

2002-06-27 Thread Der Herr Hofrat
> I'm trying to install RTLinux over an existing RedHat installation. > > I installed egcs-2.90 to use for compilation (instead of the native > redhat-gcc). > > I'd like to know as to what changes need to be made in the Makefile for > the kernel (/usr/src/Makefile) so as to have the egcs compile

Re: [rtl] Motion control

2002-06-26 Thread Der Herr Hofrat
> > Hi hofrat > I get an access denied for > > ftp://ftp.thinkingnerds.com/pub/projects/nerdcontrol/nerdcontrol.pdf > just checked it - perms are 444 on all files and I can download it - could you try again and drop me a note when you tried if it fails , then I can check the log files. thx ! h

Re: [rtl] CPU Load measure for the RTLinux tasks

2002-06-26 Thread Der Herr Hofrat
> You could have each task set a parallel port bit high during execution and > set it low again just before it returns. If you can look at all of the bits > at once using a 4 channel scope or logic analyzer if there are more than 4 > tasks. This would give you a complete picture of what was runn

Re: [rtl] Searching driver for Advantech PCI-1712

2002-06-24 Thread Der Herr Hofrat
> Sounds interesting, but: > rtdaq.tar.bz2 is only readable by root on that server. :( sorry - fixed ftp://ftp.fsmlabs.at/pub/rtlinux/contrib/peterw/rtdaq.tar.bz2 hofrat -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl " | mail [EMAIL PROTE

Re: [rtl] CPU Load measure for the RTLinux tasks

2002-06-23 Thread Der Herr Hofrat
> > With a little example, perhaps it could be easier to understand what I want to > know... > > First I'm interested with the RT tasks side. > > Imagine, I've 2 tasks : > - first cyclic task at 10 ms (priority +) > - second cyclic task at 100 ms (priority -) > > If my first task take 8 ms t

Re: [rtl] CPU Load measure for the RTLinux tasks

2002-06-22 Thread Der Herr Hofrat
> Hello everybody, > > How can we know the CPU load taken with the tasks running under RTLinux, and > if possible, task per task ? > You need to explain your concept of CPU-load - do you mean the Linux non-RT load ? or the RT-side. On the RT-side the issue is simply, ither there is a RT-task runn

Re: [rtl] Searching driver for Advantech PCI-1712

2002-06-22 Thread Der Herr Hofrat
> Hello all. > > I am looking for RTLinux drivers for DAQ board Advantech PCI-1712. Comedi > doesn't support it so I would be very grateful if someone could show me where I > can find drivers for it. > Check out peter wurmsdobler rtdaq drivers for RTLinux - not exactly for that card but it cont

Re: [rtl] latency in example programs

2002-06-21 Thread Der Herr Hofrat
> Hi all, > > I am running RTLinux 3.1 on Linux 2.4.18 (+Gearheart patch) on a Pentium > 3 933 MHz machine. Running the sample program "measurements" gives me > numbers I cannot explain: > The simple answer is that there are hardware combinations that are not suited for RT. > ... start tasks,

[rtl] psc patch from dave i.

2002-06-18 Thread Der Herr Hofrat
HI all ! The patch for psc from Dave i. [EMAIL PROTECTED] to fix the initialization of sys_ni_syscall and the way hook_free_syscall() locates the free syscalls. (regression test passes without errors now...) ftp://ftp.fsmlabs.at/pub/rtlinux/contrib/dave/rtlinux-3.1-2.4.4-psc.patch thx ! h

Re: [rtl] Networking interface code

2002-06-15 Thread Der Herr Hofrat
> We have developed some networking interface code that works very > differently from the current stuff in rtlinux. Our code uses the native > linux networking code and intercepts UDP packets before they come > to/from a linux process and redirects them to an rtlinux task. The code > allocate

Re: [rtl] DAQ board advice

2002-06-14 Thread Der Herr Hofrat
> > > least 12 bits and PCI bus and RTLinux drivers available. > > > > 40Ksamp in 40Ksamp out or 40 per chanel or 40 total throughput ? > > 40 per channel > > > > > > > > > I am thinking of NI PCI-MIO-16E-4 but in the comedi page driver status > > for this > > > card is set to:mainly limited

Re: [rtl] RTLinux on SA1100

2002-06-14 Thread Der Herr Hofrat
> Hi all, > has anyone made RTLinux work on LART which is a SA1100 implementation. > Also, when i insert RTLinux module into the standard Linux kernel, it loads properly >and works... But after loading RTL, any Linux process if i run causes the system to >hang and nothing works but a

Re: [rtl] Memory lock for real-time task

2002-06-12 Thread Der Herr Hofrat
> On Wed, 12 Jun 2002, Khoa Nguyen wrote: > > > I remember reading on the FSMLabs web-site that RTLinux users can start a > > process in user space _then_ somehow call RTLinux API to make the task > > real-time and have all of its memory pages locked down. Does anyone know if > > this feature is

Re: [rtl] DAQ board advice

2002-06-12 Thread Der Herr Hofrat
> Hello. > > I address the list loking for advice on the purchase of a pair of DAQ boards to > adquire and release data in RTLinux. > They should have at least two analog inputs and two analog outputs. They must be > able to work simultaneously at a rate of at least 40-50kHz. Resolution of at > l

Re: [rtl] RTlinux-3.1 on Redhat 7.2 with ext3 filesystem

2002-06-12 Thread Der Herr Hofrat
> Hello Everybody: > > I have recently upgraded from RTlinux-3.1 running on Redhat 7.1 to Redhat > 7.1 with ext3 support. I am facing problem with ext3 file > system, for its unable to mount all files system like /usr, /etc/ , /var > ,etc. when trying to load rtlinux-3.1 boot image( rtzImage). I

Re: [rtl] large latency with 2.4.18+rtl3.1?

2002-06-10 Thread Der Herr Hofrat
> I've tried to use Mr. Gearheart's patch for Kernel 2.4.18 and > rtlinux-3.1, found on ftp.fsmlabs.com/pub/rtlinux/contrib/gearheart/. > Mostly it went smooth, but I've found strange behaviour. I would like to > get some information about this. > > I've used NI's 8176(PentiumIII-S 1.26GHz, 128MB

Re: [rtl] RT Linux on PC104

2002-06-07 Thread Der Herr Hofrat
> Hello > I am a student of Mechanical Engineering Department. For driving a controller, > I need to generate a pulse of about 50Hz frequency. I intend to use rtlinux for > the same. The problem is that I have to use a PC104 card for generating the > pulse, so there is a memory restriction of 1

Re: [rtl] RTL drivers for Diamond DMM-32-AT and RMM-1612-XT

2002-06-07 Thread Der Herr Hofrat
> > I'm looking at using the Diamond Systems I/O boards (DMM-32-AT for inputs, > RMM-1612-XT for outputs) on an RTL system. Has anyone written drivers for > these boards? Can anyone recommend similar boards that might plug into > RTL a little easier? Thanks. > peter wurmsdobler has set up some

Re: [rtl] Is there RTlinux(GPL) supporting Strongarm??

2002-06-07 Thread Der Herr Hofrat
> hi everybody.. > iam very new to RTLinux. > > Do any one know ..whether there is an open source RTLinux supporting > Intel's Strong arm processor..If it does exists..where can i get it from?? The IMEC in .be did a RTLinux/GPL strongarm port for V3.0 http://www.imec.be/rtlinux/ success/p

Re: [rtl] AD/DA Fast CARD

2002-06-06 Thread Der Herr Hofrat
> Hi, > > I'm looking for a Fast A/D Card, which has support > for RTLinux. Can Anyone point me to such a card ? > pleas be a bit more precise about what FAST is and what you want how many chanels of what bit width etc. hofrat -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PR

Re: [rtl] distributions

2002-06-06 Thread Der Herr Hofrat
> hi all > > which linux distribution would you choose if you got to compile/use a kernel > from kernel.org (as you have to when using rtlinux) ? you might not have to - in fact I patched rtlinux-3.0/3.1 into the SuSE and RH patched kernels and it worked - but taking a clean kernel from kernel.o

Re: [rtl] FFT functions in RTLinux

2002-06-05 Thread Der Herr Hofrat
> Hello. > > I need to call fft (fast fourier transform) functions in my rtthreads. I found > in the internet a packet of fft functions called FFTW which I've been using in > normal linux without any problems. FFTW uses math functions so you must be link > your programs with -lm, in addition to -

Re: [rtl] rtlinux 10us limit

2002-06-05 Thread Der Herr Hofrat
> > Hello. > > I installed RTLinux on my AMDk6 430 MHZ with 128 Mb RAM and up to now I've just > been probing with the example programs. > I have tried the hello.c with various thread periods and observed that when I > try periods of less than 10us my system crashes. Is this a normal limit? Is i

Re: [rtl] Writing RTL PCI card drivers

2002-06-05 Thread Der Herr Hofrat
> > Not much different from doing it under Linux. Your module initialization > function where you do all the PCI init will look pretty much identical to a > Linux driver, except that you'll call rtl_request_irq instead of > request_irq, if you install an interrupt handler. And the RTLinux >

Re: [rtl] /proc entries

2002-06-05 Thread Der Herr Hofrat
> Are there any known issues with reading from or > writing to /proc entries in RTLinux? > writing to proc entries is not realy an issue, but reading from them (which generally is not that good an idea any way) needs some way of synchronizing data, or you get inconsisten data if the update on

Re: [rtl] Writing RTL PCI card drivers

2002-06-05 Thread Der Herr Hofrat
> Hi Brian, > > It's better you see the existing PCI device driver in > /usr/src/linux/drivers/ directory. E.g. PCI ethernet card, you can see how > to detect the base address, irq, registers, etc. > Starting with PCI drivers from the Linux tree is not realy that helpfull I belive, as the struc

Re: [rtl] RTlinux on MIPS

2002-06-04 Thread Der Herr Hofrat
> I solved my RTlinux on MIPS problem. If you may recall I was trying to get > RTLinux working on an NEC VR4181 processor, but was stopped when I > discovered there was no released kernel tree for it. > > So I spent the last two weeks getting RTAI up and running and it now works > great, as porte

Re: [rtl] acos available ?

2002-06-03 Thread Der Herr Hofrat
> Hi, > Is there a way to use acos() in kernel ? yup - statically link libm into your kernel module, check the examples/fp/Makefile to see how this is done. hofrat -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl " | mail [EMAIL PROTECTED]

[rtl] checking majordomo setup - ignore

2002-06-02 Thread Der Herr Hofrat
hofrat -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl " | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/

[rtl] Re: your mail

2002-05-27 Thread Der Herr Hofrat
> Dear Mr. > > i want to boot my pc without hard or floppy disk , > if you have information about how i can do that, plz > help me. > my idea is to change the boot option for BIOS and > switch it to a special address that contain my code > instead of booting from floppy or hard disk. > For boo

Re: [rtl] FW: Internal counter access

2002-05-27 Thread Der Herr Hofrat
> > > Hi, > > > > This is Sreenivasa from Honeywell. I am currently working on RTOE and have > > to do the performance test of RTOE. That is, the time needed for each API > > calls. Since the time taken for the execution of the APIs are in > > micro/nano seconds, I need functions in C which give

Re: [rtl] Timing analysis of a RTLinux application

2002-05-27 Thread Der Herr Hofrat
> Hi, > I want to calculate the total execution time of a RTLinux application. Can any >body suggest about any tool to calculate the execution time. > you could compile to assembler code and then add up the individual worst case cycle times - but that will give you a much wors execution time th

Re: [rtl] Regarding Linux 2.4.4 and RH 7.2 with ext3.

2002-05-24 Thread Der Herr Hofrat
> > > > > > Hi, > > > just some ranting: and what if I'd like to use SMP? AFAIK all patches > > > against 2.4.16 and 2.4.18 are single-processor only... > > > > good note - get SMP working again - if you have time to support this it > > would be great - let me know what you can/want to do and lets

Re: [rtl] Regarding Linux 2.4.4 and RH 7.2 with ext3.

2002-05-23 Thread Der Herr Hofrat
> Parag Shah wrote: > > > > hello, > > did anybody find a solution to the problem of having ext3 for > > linux 2.4.4. is there a patch available for it? > > if so, where??? > > > > Well I've fully workable RTLinux 2.4.19-pre8 > I'll probably make some annoucement tomorrow > > I've bee

Re: [rtl] Regarding Linux 2.4.4 and RH 7.2 with ext3.

2002-05-23 Thread Der Herr Hofrat
> > > > don't forget that you also need to update your ext2fsprogs aswell. > > > > You are probably better off updating your kernel to a 2.4.16/18 if you > > realy need/want ext3. > Hi, > just some ranting: and what if I'd like to use SMP? AFAIK all patches against > 2.4.16 and 2.4.18 are single-

Re: [rtl] A Challenging IRQ problem! How to?

2002-05-23 Thread Der Herr Hofrat
> My PCI card has two ports. You know they should share the irq > and ISR in its RTLinux driver and just can use rtl_request_irq once. > Each port has diffirent kernel space for data to store. > now I want the ISR to know which port produced the interrupt. > so that the data can be put into the r

Re: [rtl]Attch: problem in compiling application with glibc.2.0.7 onMiniRtl

2002-05-23 Thread Der Herr Hofrat
This is your problem. > > hello: > gcc -Wall -nostdlib -L/tmp/glibc-2.0.7/ -lc -O2 -o hello hello.c it is not finding libgcc so it can't find the _start symbol and other things... ---hello/Makefile--- all:hello # # Set this to your glibc-2.0.7 copy or pass it on the command line # i

Re: [rtl] Regarding Linux 2.4.4 and RH 7.2 with ext3.

2002-05-23 Thread Der Herr Hofrat
> > hello, > did anybody find a solution to the problem of having ext3 for > linux 2.4.4. is there a patch available for it? > if so, where??? > For 2.4.4 you need ext3-0.9.1 but ext3 was experimental for 2.4.4 and I don't know where the patches are available (search for ext3-2.4-0.9.1 o

Re: [rtl] a question about my project on rtlinux

2002-05-22 Thread Der Herr Hofrat
> > Hi, all! > My English is very poor, perhaps can't express the whole thing clearly, but I will >try ¡­ > I am trying to use the rtlinux in our collecting data project. The OS now used is >Windows98/NT4.0, Pentium¢ó 667MHz processor, the capture speed desired is 8Mbyte/s, >interrupt periodic

Re: [rtl] FW: ARM????

2002-05-21 Thread Der Herr Hofrat
> > > > > > Does anyone plane RT support for SA-1110 StrongARM processors? Check out http://www.imec.be/rtlinux for a port done at the IMEC for rtlinux-3.0 There als is a rtlinuxpro port for the current rtlinuxpro version from fsmlabs.com as a comercial product with support. hofrat -- [rtl

Re: [rtl] time is delayed with rt tasks

2002-05-21 Thread Der Herr Hofrat
> Hi, > > When you run RT tasks, rtlinux does not seam to adjust the computer time > , this means that when you have rt tasks running, you can not use > computer time sinc it is not accurated . > Example : after one day running , my computer time is 20 minutes late !!! > > I would like to know

Re: [rtl] Problem using glibc 2.0.7 in MiniRTL with User Space App.

2002-05-21 Thread Der Herr Hofrat
> > Hi, All, > > > With reference to booting rtlinux from floppy, there is a small problem that I have >encountered. My user space application has been developed with glibc 2.1.3, but >minirtl has version 2.0.7 right? The application runs well on desktop system, but >gives error: "Segmentati

Re: [rtl] I am confused with moving the PCI driver into rt-kernel!

2002-05-20 Thread Der Herr Hofrat
> We need to do some serial communication with PCI Rs485 card under RTLinux. > Now I move the driver into the RT-kernel. But I am really confused with something. > I wish somebody can give me some explanation. > > 1.The driver should be used under RTLinux, can I call some kernel funtions >

[rtl] request for infos

2002-05-20 Thread Der Herr Hofrat
HI all! To get the web-page for RTLinux/GPL cleaned up I would ask all that have drivers/docs/project-descriptions that they would like to have made available on rtlinux.org under GPL License to send me these infos/links to get going again. For drivers: Download/Home-page URL Author: Org

Re: [rtl]

2002-05-17 Thread Der Herr Hofrat
> >hi all, >i am developing a data acquiring program on rtlinux 3.1,and need to tranmit a >large amount of data between the rt process and non_rt process at high speed,so try >to find the most efficient way of communication. >After trying fifo,mbuff and share memory pool (putting a

Re: [rtl] DAQ board access in RTlinux

2002-05-17 Thread Der Herr Hofrat
> Hello, > > I am working on a project in which I must use RTLinux as real time support to > implement a modem. I have already made a program working on "normal" linux > which simulates the process and now I must port it to RTLinux. I will use > dac/adc boards to get data in and out the pc. Th

Re: [rtl] Porting minirtl to floppy : Problem of root

2002-05-16 Thread Der Herr Hofrat
> > hi all > > I have been trying to put minirtl-3.0 on floppy. For that I have followed steps to >put an OS on floppy. fine. > But the application that i want to put up on floppy along with the OS requires 7 >FIFOs. > So for that matter i have tried modifying the root.rtldev.mk ( under confi

Re: [rtl] Basic questions about RTL driver writing

2002-05-14 Thread Der Herr Hofrat
> > Greetings all, > I am a recent college grad with a new job and have been assigned to write > a > driver for a frame grabber that must meet certain real-time constraints. > Since I > have only a basic understanding of how all this stuff works, I have a few > questions > for the experts. >

Re: [rtl] Ethernet doesn't work after upgrading kernel to 2.2.19

2002-05-10 Thread Der Herr Hofrat
> Hi, > > I am wondering if some one out there can give me some help. I have problems > with the Ethernet card after I upgrade kernel from 2.2.14-5.0 to 2.2.19 for > RedHat-6.2. My Ethernet card is 3Com 3C905B. > > 1). if I boot to kernel-2.2.14-5.0, using ifconfig, I can see the eth0, lo. >

Re: [rtl] Memory usage by an application

2002-05-10 Thread Der Herr Hofrat
> Hi, > Is there any system call in RTLinux which can show the memory status (memory used >by an application, and the amount of memory free) in kernel space ? > > not directly - but as we are allocating all memory resources in linux kernel context it updates the internal memory information so

Re: [rtl] Build Errors

2002-05-09 Thread Der Herr Hofrat
> > Hi All, >Iam a absolute newbie to rtlinux. I have downloaded the prepatched > RTLinux kernel 2.4 from fsmlabs.com and when I try to build it I get the > following errors > > checksum.S:238 badly punctuated parameter list in #define > checksum.S:244 badly punctuated parameter list in #def

Re: [rtl] NIC and rtl_hard_enable_irq

2002-05-09 Thread Der Herr Hofrat
> I found that the rtl_hard_enable_irq() has no problem. > because if i use like bottom .. it won't crash. > > It's a module counting received interrupts. When it got 4 interrupts, > append it to linux. > Are you shure that this works ?? If it does you have very tolerant hardware... >

Re: [rtl] Running RTLinux as a non root user

2002-05-09 Thread Der Herr Hofrat
> Hello to everybody, > > I'm a student doing a final career project and I have two problems when > > I work with RTLinux as a non-root user. > Let me tell you that I have changed insmod, and rmmod priorities, in > order to allow non-root users to install modules. > > The first problem is t

Re: [rtl] Need help getting RTLinux on a Force CPCI-680

2002-05-09 Thread Der Herr Hofrat
> I am trying to port RTLinux 3.1 to a PowerPC Force CPCI-680 board. > I am using MVista HardHat Linux that I have patched to > version level 2.2.19. This Linux has a configuration > for the 680 board. My development environment is a > Mac running Yellow Dog Linux 2.0. > > Now the problem: No

Re: [rtl] 2.4.18 patch

2002-05-06 Thread Der Herr Hofrat
> Hi... > > Im new to trl. > Could someone explain the differences between the patches from these > people? > they simply were worked on independantly, pleas test them and report any problems you find to the authors and the list. currently it looks like they both do quite the same as both 2.4.18

Re: [rtl] NIC and rtl_hard_enable_irq

2002-05-06 Thread Der Herr Hofrat
> > hello , everyone > > i wonder to know is there anyone use > the rtl_hard_enable_irq() successfully > in a realtime ISR handling interrupts from > an ethernet card ? > could you post a bit of additional info What NIC ? code sample of the interrupt handler also a bit more d

Re: [rtl] FW: UP patch for 2.4.18 && RTL3.1

2002-05-05 Thread Der Herr Hofrat
> > > > Are there any plans for an SMP patch? > plans... - but first we need UP cleaned up for 2.4.16/18 and then one can go for SMP - if you want to dig into that let me know so that one can coordinate efforts. Currently we need to get LOCAL_APIC working on UP to have that clean. hofrat -- [

Re: [rtl] about interrupt mechanism(rtl_core.c)

2002-05-04 Thread Der Herr Hofrat
> > Hello > Since I know the rtlinux interrupt handler will execute with interrupt disabled, > i traced the source code rtl_core.c and found that the do_IRQ function will be >replaced > with the rtl_intercept function while loading the rtl.o module . > > There's one thing conf

[rtl] 2.4.18 patch

2002-05-04 Thread Der Herr Hofrat
Hi ! there was a permissions problem on rtlinux.org so one could not download Todd Gearheart patch - that should be solved now. Find it at ftp://ftp.rtlinux.org/pub/rtlinux/gearheart/ Rippols Patch can be found at http://bernia.disca.upv.es/rtportal/apps/upgrades/ Ulli Hochholdinger p

Re: [rtl] Problems building for miniRTL

2002-04-29 Thread Der Herr Hofrat
> Thanks, > > Out of interest what do you mean by gcc specific "fix up" files. Gcc does some "black magic" with libgcc, I don't realy know what and I only refere to infos I have found about gcc - not that I could explain it you might want to ask on the gcc-help mailing list. > Also, can someon

Re: [rtl] Problem in compileing application on RTLinux.

2002-04-27 Thread Der Herr Hofrat
> Hi ! > Please help me in this matter . > I installed RTlinux-3.1 on linux kernel-2.4.4 . > > 1.first i installed REDHAT 7.1 on my x86 pc. > 2.I created a new dir. at /usr/src as rtlinux. > 3. i copied linux-kernel.2.4.4.tar and rtlinux-3.1.tar to /usr/src/rtlinux > and i untared

Re: [rtl] Problems building for miniRTL

2002-04-26 Thread Der Herr Hofrat
> Hi everyone, > > I've been having trouble building on our local RTLinux machine for use on miniRTL >and hoped someone could help. Let me explain... > > During execution I find the program is executed in listed sequence irrespective of >the main function - if a function is listed above main

Re: [rtl] OpenRTLLinux and miniRTL

2002-04-25 Thread Der Herr Hofrat
> I'm a bit new to RT programming and found this link to OpenRTL. I've read the > doc ( as much as possible ) but still have a very > general question. > > Suppose the following: > [1] I purchase the OpenRTL/GPL for $50. > [2] Get it installed, etc, etc, etc. > [3] Can I think create, compile, a

Re: [rtl] rtlinux, 2.4.18 patch problem

2002-04-25 Thread Der Herr Hofrat
> Hi, > > I'm trying to build rtl3.1 against the pucker 2.4.18 kernel > on a RH7.2 system non-smp athlon - the patches applied cleanly but > the kernel complie fails with unresolved 'atomic_dec_lock' symbol ! > > Has anyone seen/fixed this problem || am I doing somthing stupid? what? > there are

Re: [rtl] Regarding RT Fifos

2002-04-02 Thread Der Herr Hofrat
> Hi, > > Has anybody got any idea, how to flush or clean RT-FIFO. > from within an rt-thread: rtf_flush(FIFO_NR); hofrat -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl " | mail [EMAIL PROTECTED] -- For more information on Real-Time Lin

Re: [rtl] RTLinux with Qt/Embedded

2002-03-14 Thread Der Herr Hofrat
> > In an attempt to improve the responsiveness of my supervisory > conventional Linux process, I compile the conventional Linux kernel with > 1000 HZ time slices and run a ITIMMER_REAL interval timer / signal Basically thats ok to do but just be aware, that this can break some drivers ! So if s

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