Dear all,
I have encounter the following problem when migrating a Linux driver to RTDM
driver:
I-pipe: Detected illicit call from domain 'Xenomai'
into a service reserved for domain 'Linux' and below.
[<c002a474>] (show_stack+0x0/0x58) from [<c00736a4>]
(ipipe_check_context+0x98/0xe4)
[<c007360c>] (ipipe_check_context+0x0/0xe4) from [<c00d4ca4>]
(cache_alloc_refill+0x7c/0x78c)
r8 = 00000020 r7 = C04A3360 r6 = 00000000 r5 = 0000001B
r4 = 00000000
[<c00d4c28>] (cache_alloc_refill+0x0/0x78c) from [<c00d54dc>]
(__kmalloc+0x128/0x138)
[<c00d53b4>] (__kmalloc+0x0/0x138) from [<c027ede8>] (__alloc_skb+0x58/0xf8)
r8 = 00000000 r7 = C04A8B00 r6 = 00000060 r5 = 00000020
r4 = C065C940
[<c027ed90>] (__alloc_skb+0x0/0xf8) from [<c0222b94>]
(at91ether_interrupt+0x250/0x350)
r8 = FFC00000 r7 = C0768A60 r6 = C0768B20 r5 = 00000046
r4 = C03E4C60
<snip>
| # end 0x80000000 -44 __ipipe_unstall_root+0x4c
(__ipipe_restore_root+0x70)
| # *func -50 __ipipe_unstall_root+0x10
(__ipipe_restore_root+0x70)
| # *func -56 __ipipe_restore_root+0x10
(kmem_cache_alloc+0x84)
| # *func -63 debug_smp_processor_id+0x10
(kmem_cache_alloc+0x50)
| # *end 0x80000001 -70 kmem_cache_alloc+0xd8 (__alloc_skb+0x3c)
| # begin 0x80000001 -76 kmem_cache_alloc+0xc4 (__alloc_skb+0x3c)
| # func -83 kmem_cache_alloc+0x14 (__alloc_skb+0x3c)
| # func -91 __alloc_skb+0x14 (at91ether_interrupt+0x250)
| # func -100 at91ether_interrupt+0x14
(xnintr_irq_handler+0x48)
| # func -107 xnintr_irq_handler+0x14
(__ipipe_dispatch_wired+0xf8)
| +func -113 __ipipe_dispatch_wired+0x14
(__ipipe_handle_irq+0x1b0)
| +func -119 at91_aic_mask_irq+0x10
(__ipipe_ack_level_irq+0x4c)
| +func -125 at91_aic_mask_irq+0x10
(__ipipe_ack_level_irq+0x3c)
| +func -130 __ipipe_ack_level_irq+0x10
(__ipipe_ack_irq+0x24)
| +func -137 __ipipe_ack_irq+0x10
(__ipipe_handle_irq+0x1a4)
| +func -143 __ipipe_handle_irq+0x14
(__ipipe_grab_irq+0xa0)
| +begin 0xffffffff -150 __ipipe_grab_irq+0x34 (__irq_svc+0x30)
| +func -156 __ipipe_grab_irq+0x14 (__irq_svc+0x30)
| +end 0x80000000 -164 __ipipe_unstall_root+0x4c
(__do_softirq+0x4c)
| #begin 0x80000000 -171 __ipipe_unstall_root+0x70
(__do_softirq+0x4c)
#func -177 __ipipe_unstall_root+0x10
(__do_softirq+0x4c)
#func -183 debug_smp_processor_id+0x10
(__do_softirq+0x38)
#func -190 debug_smp_processor_id+0x10
(__do_softirq+0x30)
#func -196 add_preempt_count+0x10 (__do_softirq+0x2c)
Is this the problem coming from the alloc_skb function call? {
Please advice. Thanks
Regards,
Chun Yeow
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