Re: [Xenomai-core] xenomai 2.5.3/native, kernel 2.6.31.8 and fork()

2010-08-20 Thread Krzysztof Błaszkowski
Yes, now if you find the culprit option, it would be nice to report here so that we can fix the I-pipe patch. I do know it still. All i have are two configs. One which does not work and one working. I have tried so far breaking working one and also fixing broken. Both attempts have been

Re: [Xenomai-core] xenomai 2.5.3/native, kernel 2.6.31.8 and fork()

2010-08-20 Thread Gilles Chanteperdrix
Krzysztof Błaszkowski wrote: Yes, now if you find the culprit option, it would be nice to report here so that we can fix the I-pipe patch. I do know it still. All i have are two configs. One which does not work and one working. I have tried so far breaking working one and also fixing

Re: [Xenomai-core] [PATCH] Mayday support

2010-08-20 Thread Philippe Gerum
On Fri, 2010-08-20 at 14:32 +0200, Jan Kiszka wrote: Jan Kiszka wrote: Philippe Gerum wrote: I've toyed a bit to find a generic approach for the nucleus to regain complete control over a userland application running in a syscall-less loop. The original issue was about recovering

Re: [Xenomai-core] [PATCH] Mayday support

2010-08-20 Thread Jan Kiszka
Philippe Gerum wrote: On Fri, 2010-08-20 at 14:32 +0200, Jan Kiszka wrote: Jan Kiszka wrote: Philippe Gerum wrote: I've toyed a bit to find a generic approach for the nucleus to regain complete control over a userland application running in a syscall-less loop. The original issue was about

Re: [Xenomai-core] [PATCH] Mayday support

2010-08-20 Thread Philippe Gerum
On Fri, 2010-08-20 at 16:06 +0200, Jan Kiszka wrote: Philippe Gerum wrote: On Fri, 2010-08-20 at 14:32 +0200, Jan Kiszka wrote: Jan Kiszka wrote: Philippe Gerum wrote: I've toyed a bit to find a generic approach for the nucleus to regain complete control over a userland application

[Xenomai-core] [git pull] small RTDM fixes and assorted patches

2010-08-20 Thread Jan Kiszka
The following changes since commit 7e2735614ebe515d57abeaa3ff6df375a7c4149f: sched: avoid infinite reschedule loops (2010-08-03 00:11:21 +0200) are available in the git repository at: git://git.xenomai.org/xenomai-jki.git for-upstream Jan Kiszka (8): rt_print: Properly return printed

Re: [Xenomai-core] [git pull] small RTDM fixes and assorted patches

2010-08-20 Thread Stefan Kisdaroczi
Hi Jan, https://mail.gna.org/public/xenomai-core/2010-05/msg00059.html Stefan Am 20.08.2010 17:02, schrieb Jan Kiszka: The following changes since commit 7e2735614ebe515d57abeaa3ff6df375a7c4149f: sched: avoid infinite reschedule loops (2010-08-03 00:11:21 +0200) are available in the

Re: [Xenomai-core] [git pull] small RTDM fixes and assorted patches

2010-08-20 Thread Jan Kiszka
Stefan Kisdaroczi wrote: Hi Jan, https://mail.gna.org/public/xenomai-core/2010-05/msg00059.html Oh, sorry - hard vacation reset, still recovering. Will add this. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux

[Xenomai-core] [git pull v2] small RTDM fixes and assorted patches

2010-08-20 Thread Jan Kiszka
The following changes since commit 7e2735614ebe515d57abeaa3ff6df375a7c4149f: sched: avoid infinite reschedule loops (2010-08-03 00:11:21 +0200) are available in the git repository at: git://git.xenomai.org/xenomai-jki.git for-upstream Jan Kiszka (8): rt_print: Properly return printed

Re: [Xenomai-core] xenomai 2.5.3/native, kernel 2.6.31.8 and fork()

2010-08-20 Thread Krzysztof Błaszkowski
On Fri, 2010-08-20 at 11:54 +0200, Gilles Chanteperdrix wrote: Krzysztof Błaszkowski wrote: Yes, now if you find the culprit option, it would be nice to report here so that we can fix the I-pipe patch. I do know it still. All i have are two configs. One which does not work and one

[Xenomai-core] rt timer jitter

2010-08-20 Thread Krzysztof Błaszkowski
Do you have any idea about reducing rt timer jitter ? I experience annoyingly big jitter in a thread which is supposed to run at 400us (i reckon this is nothing extra demanding from atom @1.6G) the thread's loop looks like: { function1() ..2() ..3() ..4() rt_task_wait_period() } (^yet

Re: [Xenomai-core] rt timer jitter

2010-08-20 Thread Krzysztof Błaszkowski
On Fri, 2010-08-20 at 18:01 +0200, Gilles Chanteperdrix wrote: Krzysztof Błaszkowski wrote: Can i do something with this ? Do you observe the same latencies with the latency test? this test does not produce reliable results except some hints. e.g. min. latency shifts about 1.5usec when i

Re: [Xenomai-core] rt timer jitter

2010-08-20 Thread Philippe Gerum
On Fri, 2010-08-20 at 18:20 +0200, Krzysztof Błaszkowski wrote: On Fri, 2010-08-20 at 18:06 +0200, Philippe Gerum wrote: On Fri, 2010-08-20 at 17:55 +0200, Krzysztof Błaszkowski wrote: Do you have any idea about reducing rt timer jitter ? I experience annoyingly big jitter in a thread

Re: [Xenomai-core] rt timer jitter

2010-08-20 Thread Philippe Gerum
On Fri, 2010-08-20 at 18:14 +0200, Krzysztof Błaszkowski wrote: On Fri, 2010-08-20 at 18:01 +0200, Gilles Chanteperdrix wrote: Krzysztof Błaszkowski wrote: Can i do something with this ? Do you observe the same latencies with the latency test? this test does not produce reliable

[Xenomai-core] problem - eldk 4.2 - ppc

2010-08-20 Thread Rodolfo Oliveira
Hi, Today use the eldk 3.0 version in this processor MPC5200B PPC, but I want to upgrade the kernel to version 2.6 and eldk 4.2 with ELDK can do this more easily. The problem happens when I try to compile by running the following commands: make distclean make clean make menuconfig make many