[Xenomai] kernel problem xenomai 2.6.4 - linux 3.8.13

[Frederik Bayart <frederik_bayart@yahoo.co.uk>]

Hallo,

I'm using xenomai 2.6.4 on kernel 3.8.13 (patch ipipe-core-3.8.13-x86-4.patch)

In attachment you find the kernel config.

When I boot the kernel on a recent pc's (Intel(R) Core(TM) i5), I don't get problems, but if I install the same image on an older pc, (Intel(R) Core(TM) Duo CPU      T2500  @ 2.00GHz), I get periodic kernel traces after booting without running any real-time process (see below). In the dmesg in attachment, I see a stack trace.
(If I build a normal linux kernel without ipipe patch, I get no kernel traces.)

Has anyone has a suggestion what could go wrong ?

Kind regards,

Frederik


Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.236006] BUG: soft lockup - CPU#0 stuck for 41s! [swapper/0:0]

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.236006] I-pipe domain Linux

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.236006] Process swapper/0 (pid: 0, ti=c15a8000 task=c15b5280 task.ti=c15a8000)

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.236006] Stack:

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.236006] Call Trace:

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.236006] Code:  Bad EIP value.

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.240001] BUG: soft lockup - CPU#1 stuck for 41s! [swapper/1:0]

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.240001] I-pipe domain Linux

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.240001] Process swapper/1 (pid: 0, ti=decb6000 task=decaa490 task.ti=decb6000)

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.240001] Stack:

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.240001] Call Trace:

Message from syslogd@alsipmcp at Nov  6 17:48:01 ...
 kernel:[   71.240001] Code:  Bad EIP value.

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