[Rtai] warn_slowpath_common+0x72/0xa0 ??

[GS]

Hi,

I am getting the following messages in between my printk output (The name of
my kernel module is myModule03.ko)

[  223.277151] ------------[ cut here ]------------
[  223.277161] WARNING: at
/home/moses/Projects/emc2/ubuntu-lucid/kernel/sched.c:2394
try_to_wake_up+0x3ca/0x3e0()
[  223.277165] Hardware name:
[  223.277167] Modules linked in: myModule03(-) ni_670x ni_pcimio ni_tiocmd
comedi_fc mite 8255 ni_tio kcomedilib comedi rtai_math rtai_shm rtai_netrpc
rtai_msg rtai_mbx rtai_sem rtai_fifos rtai_$
[  223.277252] Pid: 724, comm: rsyslogd Not tainted 2.6.32-122-rtai #rtai
[  223.277255] Call Trace:
[  223.277262]  [<c0143112>] warn_slowpath_common+0x72/0xa0
[  223.277267]  [<c0139f4a>] ? try_to_wake_up+0x3ca/0x3e0
[  223.277271]  [<c0139f4a>] ? try_to_wake_up+0x3ca/0x3e0
[  223.277276]  [<c014315a>] warn_slowpath_null+0x1a/0x20
[  223.277280]  [<c0139f4a>] try_to_wake_up+0x3ca/0x3e0
[  223.277285]  [<c0139f8f>] wake_up_state+0xf/0x20
[  223.277290]  [<c016f626>] wake_futex+0x36/0x60
[  223.277295]  [<c0171c4f>] futex_requeue+0x40f/0x720
[  223.277300]  [<c0171fd6>] do_futex+0x76/0x1f0
[  223.277304]  [<c01721c2>] sys_futex+0x72/0x120
[  223.277309]  [<c010340d>] syscall_call+0x7/0xb
[  223.277312] ---[ end trace 988f4aef5792a5d9 ]---


Ubuntu 10.04 (patched live cd from linuxcnc.org)
RTAI: 3.8.1
Comedi 0.7.7

Any ideas what causes this?

Thanks.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.rtai.org/pipermail/rtai/attachments/20110317/67b1212d/attachment.htm>