Hi ,

I'm trying xenomai running on PXA270 Voipac module.
Acctually i have a problem when running the lantency test program.

The module loads OK , but when i run latency program:

[  110.874334] Xenomai: starting native API services.
[  282.865308] I-pipe: Detected illicit call from domain 'Xenomai'
[  282.865356]         into a service reserved for domain 'Linux' and below.
[  282.903226] [<c0023068>] (dump_stack+0x0/0x18) from [<c006cbcc>]
(ipipe_check_context+0xdc/0x100)
[  282.929809] [<c006caf0>] (ipipe_check_context+0x0/0x100) from
[<c0066168>] (module_address_lookup+0x34/0x108)
[  282.959374] [<c0066134>] (module_address_lookup+0x0/0x108) from
[<c00670e4>] (kallsyms_lookup+0x7c/0x80)
[  282.987650] [<c0067068>] (kallsyms_lookup+0x0/0x80) from [<c0067208>]
(sprint_symbol+0x38/0xb0)
[  283.013599] [<c00671d0>] (sprint_symbol+0x0/0xb0) from [<c00672a4>]
(__print_symbol+0x24/0x38)
[  283.039294]  r6:c03334f8 r5:c7035e24 r4:c02b5728
[  283.053066] [<c0067280>] (__print_symbol+0x0/0x38) from [<c007cfec>]
(xnpod_trap_fault+0xc8/0x258)
[  283.079818]  r5:c7040810 r4:c7035f40
[  283.090466] [<c007cf24>] (xnpod_trap_fault+0x0/0x258) from [<c0073b30>]
(xnarch_trap_fault+0x24/0x2c)
[  283.117967]  r6:c0330cc4 r5:c02f6c48 r4:c0332950
[  283.131742] [<c0073b0c>] (xnarch_trap_fault+0x0/0x2c) from [<c01dcd38>]
(exception_event+0x50/0x74)
[  283.158751] [<c01dcce8>] (exception_event+0x0/0x74) from [<c006bbac>]
(__ipipe_dispatch_event+0xdc/0x1e8)
[  283.187285]  r4:00000000
[  283.194805] [<c006bad0>] (__ipipe_dispatch_event+0x0/0x1e8) from
[<c001ee04>] (do_fpe+0x18/0x3c)
[  283.221016] I-pipe tracer log (100 points):
[  283.233469]  | +  func                    0 ipipe_trace_panic_freeze+0x10
(ipipe_check_context+0x5c)
[  283.260735]  | +  func                   -4 ipipe_check_context+0x10
(module_address_lookup+0x34)
[  283.287176]  | +  func                   -6 module_address_lookup+0x10
(kallsyms_lookup+0x7c)
[  283.312583]  | +  func                  -10 in_gate_area_no_task+0x10
(is_ksym_addr+0x34)
[  283.336956]  | +  func                  -13 is_ksym_addr+0x10
(kallsyms_lookup+0x38)
[  283.360036]  | +  func                  -15 kallsyms_lookup+0x14
(sprint_symbol+0x38)
[  283.383375]  | +  func                  -18 sprint_symbol+0x14
(__print_symbol+0x24)
[  283.406456]  | +  func                  -21 __print_symbol+0x14
(xnpod_trap_fault+0xc8)
[  283.430313]  | +  func                  -24 xnpod_trap_fault+0x14
(xnarch_trap_fault+0x24)
[  283.454943]  | +  func                  -27 xnarch_trap_fault+0x14
(exception_event+0x50)
[  283.479316]  | +  func                  -30 exception_event+0x10
(__ipipe_dispatch_event+0xdc)
[  283.504982]  | +  func                  -34 __ipipe_dispatch_event+0x14
(do_fpe+0x18)
[  283.528320]  | +  end     0x80000001    -45 __ipipe_dispatch_event+0x1c8
(__ipipe_syscall_root+0x80)
[  283.555562]  | +  begin   0x80000001    -48 __ipipe_dispatch_event+0x104
(__ipipe_syscall_root+0x80)
[  283.582778]  | +  end     0x80000000    -52
ipipe_unstall_pipeline_head+0x90 (xnshadow_harden+0x1a0)
[  283.610021]  | #  begin   0x80000000    -56
ipipe_unstall_pipeline_head+0x34 (xnshadow_harden+0x1a0)
[  283.637262]    #  func                  -58
ipipe_unstall_pipeline_head+0x10 (xnshadow_harden+0x1a0)
[  283.664477]    #  func                  -63 xnpod_switch_fpu+0x10
(xnshadow_harden+0x190)
[  283.688851]  | #  end     0x80000001    -66 __sched_text_start+0x6d0
(xnshadow_harden+0xa8)
[  283.713793]  | #  begin   0x80000001    -69 __sched_text_start+0x6b8
(xnshadow_harden+0xa8)
[  283.738707]  | #  end     0x80000000    -71 __sched_text_start+0x65c
(xnshadow_harden+0xa8)
[  283.763597]  | #  [  304] telnetd -1    -92 xnpod_schedule+0xb4
(xnpod_schedule_handler+0x54)
[  283.789056]  | #  func                  -95 xnpod_schedule+0x14
(xnpod_schedule_handler+0x54)
[  283.814463]  | #  func                  -98 xnpod_schedule_handler+0x10
(__ipipe_sync_stage+0x1b4)
[  283.841162]  | +  func                 -101 __ipipe_sync_stage+0x10
(ipipe_suspend_domain+0xa4)
[  283.867086]  | +  func                 -104 ipipe_suspend_domain+0x10
(__ipipe_walk_pipeline+0x74)
[  283.893783]  |   +func                 -108 __ipipe_walk_pipeline+0x10
(__ipipe_restore_pipeline_head+0xc4)
[  283.922809]  | * +func                 -111
__ipipe_restore_pipeline_head+0x10 (gatekeeper_thread+0x180)
[  283.951058]  | * +func                 -116 __ipipe_set_irq_pending+0x10
(__ipipe_dispatch_wired+0x7c)
[  283.978792]  | * +func                 -120 __ipipe_dispatch_wired+0x10
(__ipipe_handle_irq+0xa4)
[  284.005233]  | * +func                 -124 __ipipe_handle_irq+0x10
(ipipe_trigger_irq+0x7c)
[  284.030381]  | * +func                 -128 ipipe_trigger_irq+0x10
(xnpod_schedule+0x34)
[  284.054494]  | * +func                 -130 xnpod_schedule+0x14
(gatekeeper_thread+0x164)
[  284.078868]  | * +func                 -133 disengage_irq_shield+0x10
(gatekeeper_thread+0x160)
[  284.104792]  | * +[  342] display- 0   -142 xnpod_resume_thread+0x70
(gatekeeper_thread+0x15c)
[  284.130509]  | * +func                 -145 xnpod_resume_thread+0x14
(gatekeeper_thread+0x15c)
[  284.156173]  |   +begin   0x80000000   -147 gatekeeper_thread+0x140
(kthread+0x58)
[  284.178789]  |   +end     0x80000000   -150
__ipipe_restore_pipeline_head+0xd8 (rpi_pop+0x4cc)
[  284.204454]  | * +func                 -153
__ipipe_restore_pipeline_head+0x10 (rpi_pop+0x4cc)
[  284.230119]  |   +begin   0x80000000   -157 rpi_pop+0x38
(gatekeeper_thread+0x120)
[  284.252709]      +func                 -159 rpi_pop+0x14
(gatekeeper_thread+0x120)
[  284.275273]      +func                 -162 kthread_should_stop+0x10
(gatekeeper_thread+0xf8)
[  284.300680]      +func                 -165 ipipe_check_context+0x10
(__sched_text_start+0x750)
[  284.326603]      +func                 -168 finish_task_switch+0x10
(__sched_text_start+0x6e8)
[  284.352269]  |   +end     0x80000001   -170 __sched_text_start+0x6d0
(gatekeeper_thread+0xf4)
[  284.377701]  |   +begin   0x80000001   -173 __sched_text_start+0x6b8
(gatekeeper_thread+0xf4)
[  284.403133]  |   +end     0x80000000   -176 __sched_text_start+0x65c
(gatekeeper_thread+0xf4)
[  284.428565]  |   +func                 -180 ipipe_check_context+0x10
(__atomic_notifier_call_chain+0x68)
[  284.456841]  |   +func                 -182 iwmmxt_do+0x10
(notifier_call_chain+0x4c)
[  284.480180]  |   +func                 -185 nwfpe_notify+0x10
(notifier_call_chain+0x4c)
[  284.504321]  |   +func                 -188 notifier_call_chain+0x10
(__atomic_notifier_call_chain+0x5c)
[  284.532571]  |   +func                 -191 ipipe_check_context+0x10
(__atomic_notifier_call_chain+0x34)
[  284.560845]  |   +func                 -193
__atomic_notifier_call_chain+0x14 (atomic_notifier_call_chain+0x24)
[  284.590904]  |   +func                 -195
atomic_notifier_call_chain+0x14 (__switch_to+0x30)
[  284.616570]  |   +begin   0x80000000   -199 __sched_text_start+0x634
(xnshadow_harden+0xa8)
[  284.641486]  |   +end     0x80000001   -201 __sched_text_start+0x4a0
(xnshadow_harden+0xa8)
[  284.666375]  |   +begin   0x80000001   -204 __sched_text_start+0x484
(xnshadow_harden+0xa8)
[  284.691290]  |   +end     0x80000001   -206 __ipipe_dispatch_event+0x1c8
(__sched_text_start+0x44c)
[  284.718248]  |   +begin   0x80000001   -209 __ipipe_dispatch_event+0x104
(__sched_text_start+0x44c)
[  284.745206]  |   +end     0x80000000   -211
__ipipe_restore_pipeline_head+0xd8 (schedule_event+0xbb4)
[  284.772707]  | * +func                 -214
__ipipe_restore_pipeline_head+0x10 (schedule_event+0xbb4)
[  284.800180]  |   +begin   0x80000000   -216 schedule_event+0x6b0
(__ipipe_dispatch_event+0xdc)
[  284.825872]      +func                 -219 schedule_event+0x14
(__ipipe_dispatch_event+0xdc)
[  284.851278]  |   +end     0x80000001   -222 __ipipe_dispatch_event+0xc4
(__sched_text_start+0x44c)
[  284.878004]  |   +begin   0x80000001   -225 __ipipe_dispatch_event+0x40
(__sched_text_start+0x44c)
[  284.904727]      +func                 -227 __ipipe_dispatch_event+0x14
(__sched_text_start+0x44c)
[  284.931427]      +func                 -230 ipipe_check_context+0x10
(__sched_text_start+0x3c0)
[  284.957351]  |   +end     0x80000000   -232 __ipipe_unstall_root+0x64
(__sched_text_start+0x3b0)
[  284.983533]  |   #begin   0x80000000   -235 __ipipe_unstall_root+0x34
(__sched_text_start+0x3b0)
[  285.009741]      #func                 -237 __ipipe_unstall_root+0x10
(__sched_text_start+0x3b0)
[  285.035922]      #func                 -243 pick_next_task_rt+0x10
(__sched_text_start+0x250)
[  285.061329]      #func                 -247 check_spread+0x10
(put_prev_task_fair+0x3c)
[  285.085185]      #func                 -249 put_prev_task_fair+0x10
(__sched_text_start+0x214)
[  285.110850]      #func                 -254 calc_delta_mine+0x14
(update_curr+0xcc)
[  285.133672]      #func                 -257 update_curr+0x14
(dequeue_task_fair+0x2c)
[  285.157011]      #func                 -260 dequeue_task_fair+0x10
(dequeue_task+0x124)
[  285.180867]      #func                 -265 dequeue_task+0x14
(deactivate_task+0x2c)
[  285.203948]      #func                 -268 deactivate_task+0x10
(__sched_text_start+0x1f8)
[  285.228837]  |   #end     0x80000001   -271 __sched_text_start+0x18c
(xnshadow_harden+0xa8)
[  285.253753]  |   #begin   0x80000001   -273 __sched_text_start+0x174
(xnshadow_harden+0xa8)
[  285.278669]      #func                 -276 ipipe_check_context+0x10
(__sched_text_start+0x144)
[  285.304592]      #func                 -279 sched_clock+0x10
(sched_clock_cpu+0x30)
[  285.327415]      #func                 -281 sched_clock_cpu+0x10
(__sched_text_start+0x134)
[  285.352304]  |   #end     0x80000001   -283 __sched_text_start+0x128
(xnshadow_harden+0xa8)
[  285.377220]  |   +begin   0x80000001   -286 __sched_text_start+0x108
(xnshadow_harden+0xa8)
[  285.402135]      +func                 -288 ipipe_check_context+0x10
(__sched_text_start+0x94)
[  285.427801]      +func                 -290 preempt_schedule+0x10
(__sched_text_start+0x78)
[  285.452691]      +func                 -293 ipipe_check_context+0x10
(__sched_text_start+0x60)
[  285.478355]      +func                 -295 ipipe_check_context+0x10
(__sched_text_start+0x24)
[  285.504020]      +func                 -297 __sched_text_start+0x14
(xnshadow_harden+0xa8)
[  285.528653]      +func                 -300 preempt_schedule+0x10
(__wake_up_sync+0xdc)
[  285.552509]      +func                 -302 ipipe_check_context+0x10
(__wake_up_sync+0xc4)
[  285.577140]  |   +end     0x80000000   -304 __ipipe_unstall_root+0x64
(__ipipe_restore_root+0x64)
[  285.603580]  |   #begin   0x80000000   -306 __ipipe_unstall_root+0x34
(__ipipe_restore_root+0x64)
[  285.630021]      #func                 -308 __ipipe_unstall_root+0x10
(__ipipe_restore_root+0x64)
[  285.656461]      #func                 -311 __ipipe_restore_root+0x10
(__wake_up_sync+0xbc)
[  285.681351]      #func                 -313 preempt_schedule+0x10
(try_to_wake_up+0x138)
[  285.705466]      #func                 -315 ipipe_check_context+0x10
(try_to_wake_up+0x120)
[  285.730355]  |   #end     0x80000001   -318 __ipipe_restore_root+0x58
(try_to_wake_up+0x118)
[  285.755503]  |   #begin   0x80000001   -320 __ipipe_restore_root+0x38
(try_to_wake_up+0x118)
[  285.780689] invalid use of FPU in Xenomai context at 0x93e0
[  285.797290] Xenomai: Switching display-340 to secondary mode after
exception #5 from user-space at 0x93e0 (pid 342)
[  285.829719] Xenomai: registered exported object dispsem-342 (semaphores)

Any idea about ?

Thanks

Felipe
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