[Xenomai-core] rt_task_create and rt_task delete re-scheduling calling task

. -- ++ Roberto Bielli Sviluppo Software Axel S.r.l. Via Del Cannino, 3 21020 Crosio Della Valle Varese - Italy

Re: [Xenomai-core] porting xenomai on imx25

/04/2012 13:51, Gilles Chanteperdrix ha scritto: On 04/18/2012 12:28 PM, Roberto Bielli wrote: Hi Gilles, i try to give only another accurate information. i made another test: i write a xenomai driver for reading the timer and avic register and i see a strange behaviour. when there is the problem

Re: [Xenomai-core] porting xenomai on imx25

have you a .config for imx31 to give me so i can compare them? Il 19/04/2012 10:54, Gilles Chanteperdrix ha scritto: On 04/19/2012 10:52 AM, Roberto Bielli wrote: Hi Gilles, i found the problem that disable interrupts when execute a task. My kernel for imx25 uses the properties

Re: [Xenomai-core] porting xenomai on imx25

Bielli wrote: Hi Gilles, here find the answers. sorry for the delay. Il 13/04/2012 15:47, Gilles Chanteperdrix ha scritto: On 04/13/2012 10:44 AM, Roberto Bielli wrote: Hi Gilles, you don't feel like to repeat. I'm trying all the things that you told me and i will do all the missing test

Re: [Xenomai-core] porting xenomai on imx25

scritto: On 04/12/2012 06:58 PM, Roberto Bielli wrote: Hi Gilles, you tell me that you are working on imx. Do you know if there is a working xenomai on imx (any kernel or imx version) ? I have tested Xenomai on imx31, imx51, imx53, imx6q. It works on these platforms. Now, what you are doing

Re: [Xenomai-core] preemptive doesn't work

you think that can be a similar problem ? Il 11/04/2012 14:10, Gilles Chanteperdrix ha scritto: On 04/11/2012 08:59 AM, Roberto Bielli wrote: Hi Gilles, i try your workaround but nothing is changed. I make another test. I try to comment out all the content of mxc_mask_irq() but the result

Re: [Xenomai-core] preemptive doesn't work

if there is a code over the mxc_mask_irq that disable the interrupts ? About interrupt gpio it should be a link with this behaviour ? ( i don't want gpio as interrupts ) Il 10/04/2012 14:40, Gilles Chanteperdrix ha scritto: On 04/10/2012 02:33 PM, Roberto Bielli wrote: Il 10/04/2012 13:49

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, i learned the ipipe trace that i send you but i don't unserstand why i have three timer reprogramming in few useconds. Can you explain me the behaviour ? Il 08/04/2012 00:17, Gilles Chanteperdrix ha scritto: On 04/06/2012 06:59 PM, Roberto Bielli wrote: Hi Gilles, i made all

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, I don't find the end of last __ipipe_grab_irq in the trace that i send you. Is it correct ? Il 08/04/2012 00:17, Gilles Chanteperdrix ha scritto: On 04/06/2012 06:59 PM, Roberto Bielli wrote: Hi Gilles, i made all your modifies and re-read all corect register but the problem

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, i look at the processor errata but for the imx25 there are no errata elements on timer. I see that tsc uses the same timer. Does xenomai use the tsc for the next timer period ? Il 10/04/2012 10:45, Gilles Chanteperdrix ha scritto: On 04/10/2012 10:43 AM, Roberto Bielli wrote

Re: [Xenomai-core] preemptive doesn't work

: #define timer_is_v2()(cpu_is_mx3() || cpu_is_mx5()) new: #define timer_is_v2()(cpu_is_mx3() || cpu_is_mx25() || cpu_is_mx5()) Il 10/04/2012 11:06, Gilles Chanteperdrix ha scritto: On 04/10/2012 10:58 AM, Roberto Bielli wrote: Hi Gilles, i look at the processor errata but for the imx25

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, here is my time.c Il 10/04/2012 11:11, Gilles Chanteperdrix ha scritto: On 04/10/2012 11:06 AM, Gilles Chanteperdrix wrote: On 04/10/2012 10:58 AM, Roberto Bielli wrote: Hi Gilles, i look at the processor errata but for the imx25 there are no errata elements on timer

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, i tried your code but th behavior is the same. Then i tried a linux base app and works correctly. Il 10/04/2012 11:37, Gilles Chanteperdrix ha scritto: On 04/10/2012 11:21 AM, Roberto Bielli wrote: Hi Gilles, here is my time.c Though you have not made all the changes I

Re: [Xenomai-core] preemptive doesn't work

Chanteperdrix ha scritto: On 04/10/2012 12:39 PM, Roberto Bielli wrote: Hi Gilles, i tried your code but th behavior is the same. Then i tried a linux base app and works correctly. The tsc physical address passed to user-space looks wrong. void __ipipe_mach_get_tscinfo(struct __ipipe_tscinfo *info

Re: [Xenomai-core] preemptive doesn't work

Il 10/04/2012 14:06, Gilles Chanteperdrix ha scritto: On 04/10/2012 02:05 PM, Roberto Bielli wrote: Hi Gilles, i added this in configure of xenomai so i pass --enable-arm-mach=imx25 imx25)arch=5 tsc_type=__XN_TSC_TYPE_FREERUNNING;; Furthermore in plat-mxc/include/mach

Re: [Xenomai-core] preemptive doesn't work

/2012 14:12, Gilles Chanteperdrix ha scritto: On 04/10/2012 02:11 PM, Roberto Bielli wrote: Il 10/04/2012 14:06, Gilles Chanteperdrix ha scritto: On 04/10/2012 02:05 PM, Roberto Bielli wrote: Hi Gilles, i added this in configure of xenomai so i pass --enable-arm-mach=imx25 imx25)arch=5

Re: [Xenomai-core] preemptive doesn't work

, the task makes I/O, or sleeps. Il 10/04/2012 14:36, Gilles Chanteperdrix ha scritto: On 04/10/2012 02:33 PM, Roberto Bielli wrote: Il 10/04/2012 13:49, Gilles Chanteperdrix ha scritto: On 04/10/2012 12:39 PM, Roberto Bielli wrote: Hi Gilles, i tried your code but th behavior is the same

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, i made all your modifies and re-read all corect register but the problem is the same. Best Regards Il 06/04/2012 17:40, Gilles Chanteperdrix ha scritto: On 04/06/2012 05:35 PM, Roberto Bielli wrote: Hi Gilles, excuse me, but i don't understand why i have to read the register

Re: [Xenomai-core] preemptive doesn't work

/07/2012 07:13 PM, Roberto Bielli wrote: Hi Gilles, this is the trace and the test. It seems that '__ipipe_dispatch_event' last about ~84 milliseconds with disable interrupts. Thanks a lot for your time. Hi Roberto, any news about this issue? Regards

Re: [Xenomai-core] Using xenomai with standard ethernet driver

. Jan -- ++ Roberto Bielli Sviluppo Software Axel S.r.l

Re: [Xenomai-core] Using xenomai with standard ethernet driver

..) or is there another chance ? Thanks a lot for your response. Il 22/03/2012 16:30, Jan Kiszka ha scritto: On 2012-03-21 17:48, Roberto Bielli wrote: Hi, i want to use xenomai for sending standard tcp/ip packets. Is it possible to rewrite the ethernet driver for xenomai without using rtnet ? Or if i use

[Xenomai-core] Using xenomai with standard ethernet driver

. -- ++ Roberto Bielli Sviluppo Software Axel S.r.l. Via Del

[Xenomai-core] Fwd: Re: preemptive doesn't work

: Roberto Bielli roberto.bie...@axelsw.it A: Gilles Chanteperdrix gilles.chanteperd...@xenomai.org CC: xenomai-core@gna.org Hi Gilles, this is the trace and the test. It seems that '__ipipe_dispatch_event' last about ~84 milliseconds with disable interrupts. Thanks a lot for your time

Re: [Xenomai-core] preemptive doesn't work

with the tasks and the timer ? Thanks for all. Il 06/03/2012 17:16, Gilles Chanteperdrix ha scritto: On 03/06/2012 04:35 PM, Roberto Bielli wrote: Hi Gilles, about T_WARNSW i see in the /proc/xenomai/stat that my task hasn't change mode (the value of MSW is 0 ) so, it hasn't changed

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, this is the trace and the test. It seems that '__ipipe_dispatch_event' last about ~84 milliseconds with disable interrupts. Thanks a lot for your time. Il 07/03/2012 14:44, Gilles Chanteperdrix ha scritto: On 03/07/2012 01:59 PM, Roberto Bielli wrote: Hi Gilles, we are sure

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, here is the new trace. Il 06/03/2012 13:09, Gilles Chanteperdrix ha scritto: On 03/06/2012 11:14 AM, Roberto Bielli wrote: Hi, here is the trace. Please try to capture the xntimer_next_local_shot which happens before the bug to see if the timer ticks when expected. Also note

Re: [Xenomai-core] preemptive doesn't work

with |xntrace_user_start|/|xntrace_user_stop|. Is the log of xenomai in the same place (/proc/ipipe/trace/max ) of ipipe ? Thanks a lot Il 06/03/2012 14:04, Gilles Chanteperdrix ha scritto: On 03/06/2012 02:00 PM, Roberto Bielli wrote: Hi Gilles, here is the new trace. There is nothing to see on that trace

Re: [Xenomai-core] preemptive doesn't work

Hi Gilles, about T_WARNSW i see in the /proc/xenomai/stat that my task hasn't change mode (the value of MSW is 0 ) so, it hasn't changed in secondary mode. Correct ? Il 06/03/2012 16:20, Gilles Chanteperdrix ha scritto: On 03/06/2012 04:14 PM, Roberto Bielli wrote: Hi Gilles, i changed

[Xenomai-core] preemptive doesn't work

have a problem with ipipe porting. Any idea ? -- ++ Roberto Bielli Sviluppo Software Axel S.r.l

[Xenomai-core] high duration of __ipipe_handle_irq

the *__ipipe_mach_timerint *interrupt and so the other interrupts are very late. Do you know something about this ? Thanks for all -- ++ Roberto Bielli

[Xenomai-core] iMX25 problem with gpio and xenomai

?) and registry save (spin_lock_irqsave in mxc_gpio_set etc...) Thanks a lot -- ++ Roberto Bielli Sviluppo Software

[Xenomai-core] some problems with interrupts

)? Thanks a lot -- ++ Roberto Bielli Sviluppo Software Axel S.r.l

[Xenomai-core] rt_task handle status after delete

-- ++ Roberto Bielli Sviluppo Software Axel S.r.l. Via Del Cannino, 3 21020 Crosio Della Valle Varese - Italy

[Xenomai-core] do rt_task_create after a deletion

-- ++ Roberto Bielli Sviluppo Software Axel S.r.l. Via Del Cannino, 3 21020

Re: [Xenomai-core] do rt_task_create after a deletion

Hi, i explain better. if i don't use rt_task_join i remove the flag T_JOINABLE, so i wait the task termination with a rt_task_create that return -EEXIST. Thanks Il 31/08/2011 09:12, Gilles Chanteperdrix ha scritto: On 08/31/2011 08:57 AM, Roberto Bielli wrote: Hi, if i don't want to use

[Xenomai-core] rt_task_suspend, rt_task_delete chooses wrong tasks

-- ++ Roberto Bielli Sviluppo Software Axel S.r.l

Re: [Xenomai-core] rt_task_suspend, rt_task_delete chooses wrong tasks

the rtDesc member of the structure, in order to allow us reproducing your scenario? -- ++ Roberto Bielli Sviluppo Software

[Xenomai-core] gdb and lost priority

Hi, i know that debugging a user application with gdb can broke the task priority but also if i insert no breakpoints ? I explain better, in the 2.5.6 version a see that if i launch an application with gdbserver a task that has an inferior priority execute while another task with a high

[Xenomai-core] rt_task_delete or rt_task_suspend strange behavior

Hi, i'm using xenomai 2.5.6 stable implemented for Marvell mv78xx on Arm. I have a very strange behaviour. I have 60 tasks and some tasks delete other tasks. In the case that one task delete/suspend a task that is just deleted/suspended, the next delete/suspend kill the wrong task and if i

[Xenomai-core] gdb and breakpoint

with assurancethe any other task goes before me when i release the breakpoint ) Thanks for all -- ++ Roberto Bielli Sviluppo Software

[Xenomai-core] Fwd: Re: rt_task_delete doesn't work

(LWP 537)] [New Thread 0x2acfc490 (LWP 538)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x2acfc490 (LWP 538)] 0x2aab9d74 in _dl_catch_error () from /lib/ld-linux.so.3 (gdb) Il 10/06/2011 19:32, Gilles Chanteperdrix ha scritto: On 06/10/2011 06:51 PM, Roberto

[Xenomai-core] rt_task_delete doesn't work

Hi, the function rt_task_delete goes in segmentation fault. this is the environment: - kernel 2.6.31.8 arm marvell (test custom porting) - xenomai 2.5.5.1 - the code: int main (int argc, char *argv[]) { //Porta di comunicazione int s; RT_TASK pippo; int err;