Re: [Xenomai-help] fata: removing non-linked element...

[Jan Kiszka <jan.kiszka@domain.hid>]

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Jan Kiszka wrote:
> ...
> /me now watching what happens at 10 kHz...

Bad news are sometimes good news:

# ./main
# rmmod xeno_native
# modprobe xeno_native
# ./main

> [  629.916921] Xenomai: stopping RTDM services.
> [  632.954058] Xenomai: stopping native API services.
> [  641.763276] Xenomai: starting native API services.
> [  643.849294] BUG: unable to handle kernel paging request at virtual address c484eb58
> [  643.857099]  printing eip:
> [  643.859835] c013a173
> [  643.862050] *pde = 03fdb067
> [  643.864868] *pte = 00000000
> [  643.867696] Oops: 0000 [#1]
> [  643.870517] PREEMPT
> [  643.872747] Modules linked in: xeno_native 8139too eepro100 sd_mod scsi_mod
> [  643.879873] CPU:    0
> [  643.879884] EIP:    0060:[<c013a173>]    Not tainted VLI
> [  643.879904] EFLAGS: 00013046   (2.6.19.3 #28)
> [  643.891932] EIP is at xnheap_init_mapped+0x144/0x1a8
> [  643.896944] eax: c484eb58   ebx: 00000000   ecx: c48e2458   edx: 00000000
> [  643.903787] esi: c480f000   edi: 00004000   ebp: c1311eb8   esp: c1311e9c
> [  643.910620] ds: 007b   es: 007b   ss: 0068
> [  643.914763] Process interrupt-task (pid: 955, ti=c1310000 task=c13d6a90 task.ti=c1310000)
> [  643.922808] Stack: 00001000 00000000 c48e2458 00000000 00004000 c1311fbc ffffffff c1311ee4
> [  643.931373]        c4861edb c0137176 00000060 00003246 c0139d1b c1311f04 c48e2420 c48e2420
> [  643.939942]        c1311fbc 00000200 c1311f40 c485ee54 000fa000 00000200 c13d6a90 00002710
> [  643.948522] Call Trace:
> [  643.951232]  [<c4861edb>] rt_queue_create+0x9f/0x24a [xeno_native]
> [  643.957870]  [<c485ee54>] __rt_queue_create+0xa5/0x101 [xeno_native]
> [  643.964579]  [<c0142ed0>] hisyscall_event+0x13f/0x238
> [  643.969744]  [<c013738e>] __ipipe_dispatch_event+0x82/0x118
> [  643.975421]  [<c010a001>] __ipipe_syscall_root+0x73/0xd8
> [  643.980827]  [<c0102dc0>] system_call+0x20/0x38
> [  643.985462]  [<b7e2953a>] 0xb7e2953a
> [  643.989100]  =======================
> [  643.992707] Code: 55 e8 8b 45 ec 89 90 8c 00 00 00 89 98 90 00 00 00 fa a1 04 d2 2e c0 0f ba 68 08 00 19 d2 a1 84
> d4 46 c0 89 d3 8b 4d ec 83 e3 01 <8b> 10 89 41 04 89 11 89 4a 04 89 08 8b 0d 04 d2 2e c0 ff 05 88
> [  644.012858] EIP: [<c013a173>] xnheap_init_mapped+0x144/0x1a8 SS:ESP 0068:c1311e9c

Should be fixable - once we understood what happens here. :)

Jan


PS: Xenomai v2.3.x, kernel 2.6.19, ipipe-1.6-06


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