[Xenomai] Boot failed on arm64 - xenomai_init --> ipipe_send_ipi

Auel, Kendall Kendall.Auel at 3DSystems.Com
Wed May 16 20:13:40 CEST 2018


I'm trying to build a xenomai-enabled kernel for an arm64 (quad A53 cores). Something is not configured correctly, but I haven't been able to get past a stall during xenomai_init. Any ideas on what I'm doing wrong? Thanks.

[    0.729547] kvm [1]: 8-bit VMID
[    0.732121] kvm [1]: IDMAP page: 40c5e000
[    0.736134] kvm [1]: HYP VA range: 800000000000:ffffffffffff
[    0.742609] kvm [1]: Hyp mode initialized successfully
[    0.747003] kvm [1]: GICv3: no GICV resource entry
[    0.751740] kvm [1]: disabling GICv2 emulation
[    0.756357] kvm [1]: GIC system register CPU interface enabled
[    0.762428] kvm [1]: vgic interrupt IRQ1
[    0.766021] kvm [1]: virtual timer IRQ4
[    0.775341] audit: initializing netlink subsys (disabled)
[    0.777914] audit: type=2000 audit(0.675:1): initialized
[    0.783729] [Xenomai] scheduling class idle registered.
[    0.788506] [Xenomai] scheduling class rt registered.
[   21.795205] INFO: rcu_preempt detected stalls on CPUs/tasks:
[   21.798018]  2-...: (0 ticks this GP) idle=4c9/140000000000000/0 softirq=129/129 fqs=2428
[   21.806295]  (detected by 1, t=5255 jiffies, g=-252, c=-253, q=106)
[   21.812575] Task dump for CPU 2:
[   21.815801] swapper/0       R  running task        0     1      0 0x00000002
[   21.822864] Call trace:
[   21.825315] [<ffff0000080859f4>] __switch_to+0x8c/0xa0
[   21.830456] [<ffff0000084384a8>] gic_raise_softirq+0x58/0x170
[   21.836208] [<ffff00000808dd64>] ipipe_send_ipi+0x24/0x30
[   21.841615] [<ffff000008154f60>] ipipe_critical_enter+0x108/0x1a8
[   21.847719] [<ffff000008156d60>] ipipe_select_timers+0x2d8/0x320
[   21.853736] [<ffff0000091a2440>] xenomai_init+0x158/0x4c4
[   21.859141] [<ffff000008083308>] do_one_initcall+0x38/0x128
[   21.864724] [<ffff000009190d00>] kernel_init_freeable+0x1ac/0x24c
[   21.870828] [<ffff000008c57e40>] kernel_init+0x10/0x100
[   21.876056] [<ffff000008082fe4>] ret_from_fork+0x14/0x30

Thanks,
Kendall Auel, Senior Embedded Software Engineer
3D Systems, 26600 SW Parkway Ave., Suite 300, Dock 61, Wilsonville OR 97070, USA
Tel: +1 503 482 1970   Mobile: +1 503 939 6862   3dsystems.com<http://3dsystems.com/>

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