When running 2.6.27.19 w/ Xenomai 2.4.7 on a geode board, I get the
following in the log. I haven't done any debugging yet, but wanted to
see if anyone else has this issue. It results in some of the
application threads not being responsive, while others are still
running.
ar 5 15:08:22 (none) user.err kernel: I-pipe: Detected illicit call
from domain 'Xenomai'
Mar 5 15:08:22 (none) user.err kernel: into a service
reserved for domain 'Linux' and below.
Mar 5 15:08:22 (none) user.warn kernel: Pid: 990, comm: main thread
Not tainted 2.6.27.19-standard-xenomai #1
Mar 5 15:08:22 (none) user.warn kernel: [<c0146d3d>]
ipipe_check_context+0x8d/0xb0
Mar 5 15:08:22 (none) user.warn kernel: [<c0115535>]
sub_preempt_count+0x15/0x80
Mar 5 15:08:22 (none) user.warn kernel: [<c0115e1e>]
finish_task_switch+0x2e/0x80
Mar 5 15:08:22 (none) user.warn kernel: [<c01172ba>]
ipipe_reenter_root+0x1a/0x60
Mar 5 15:08:22 (none) user.warn kernel: [<c0155a2d>] xnshadow_relax+0x9d/0x100
Mar 5 15:08:22 (none) user.warn kernel: [<c015e9b7>]
__rt_task_set_mode+0x67/0x90
Mar 5 15:08:22 (none) user.warn kernel: [<c0155dd7>]
losyscall_event+0xb7/0x170
Mar 5 15:08:22 (none) user.warn kernel: [<c0155d20>] ?
losyscall_event+0x0/0x170
Mar 5 15:08:22 (none) user.warn kernel: [<c0148150>]
__ipipe_dispatch_event+0xd0/0x220
Mar 5 15:08:22 (none) user.warn kernel: [<c010d54a>]
__ipipe_syscall_root+0x3a/0xe0
Mar 5 15:08:22 (none) user.warn kernel: [<c010320b>] system_call+0x2b/0x4c
Mar 5 15:08:22 (none) user.warn kernel: =======================
Mar 5 15:08:22 (none) user.warn kernel: ------------[ cut here ]------------
Mar 5 15:08:22 (none) user.warn kernel: WARNING: at
kernel/sched.c:4322 sub_preempt_count+0x7d/0x80()
Mar 5 15:08:22 (none) user.warn kernel: Modules linked in: ipv6
eepro100 mii genrtc usb_storage nls_iso8859_1 nls_cp437
Mar 5 15:08:22 (none) user.warn kernel: Pid: 990, comm: main thread
Not tainted 2.6.27.19-standard-xenomai #1
Mar 5 15:08:22 (none) user.warn kernel: [<c011b746>]
warn_on_slowpath+0x46/0x60
Mar 5 15:08:22 (none) user.warn kernel: [<c010320b>] ? system_call+0x2b/0x4c
Mar 5 15:08:22 (none) user.warn kernel: [<c011cc71>] ? printk+0x41/0x180
Mar 5 15:08:22 (none) user.warn kernel: [<c0103c85>] ?
show_trace_log_lvl+0x25/0x30
Mar 5 15:08:22 (none) user.warn kernel: [<c0101e5a>] ? __switch_to+0xa/0x150
Mar 5 15:08:22 (none) user.warn kernel: [<c0146d42>] ?
ipipe_check_context+0x92/0xb0
Mar 5 15:08:22 (none) user.warn kernel: [<c0115535>] ?
sub_preempt_count+0x15/0x80
Mar 5 15:08:22 (none) user.warn kernel: [<c011559d>]
sub_preempt_count+0x7d/0x80
Mar 5 15:08:22 (none) user.warn kernel: [<c0115e1e>]
finish_task_switch+0x2e/0x80
Mar 5 15:08:22 (none) user.warn kernel: [<c01172ba>]
ipipe_reenter_root+0x1a/0x60
Mar 5 15:08:22 (none) user.warn kernel: [<c0155a2d>] xnshadow_relax+0x9d/0x100
Mar 5 15:08:22 (none) user.warn kernel: [<c0155e08>]
losyscall_event+0xe8/0x170
Mar 5 15:08:22 (none) user.warn kernel: [<c0155d20>] ?
losyscall_event+0x0/0x170
Mar 5 15:08:22 (none) user.warn kernel: [<c0148150>]
__ipipe_dispatch_event+0xd0/0x220
Mar 5 15:08:22 (none) user.warn kernel: [<c010d54a>]
__ipipe_syscall_root+0x3a/0xe0
Mar 5 15:08:22 (none) user.warn kernel: [<c010320b>] system_call+0x2b/0x4c
Mar 5 15:08:22 (none) user.warn kernel: =======================
Mar 5 15:08:22 (none) user.warn kernel: ---[ end trace 37b08dd71b141ea9 ]---
Mar 5 15:08:22 (none) user.emerg rtlogd: : StopScan()
Thanks,
Mark
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