When I remove a skin module for the second time, my system hangs. I get the same results with Xenomai-2.5.5.2 and -2.5.6. I get the same results removing either xeno_rtdm and xeno_native the second time. This problem occurs if all I do is load and unload Xenomai modules, and never load other modules, or start applications. Hardware is Intel(R) Core(TM)2 Duo CPU .
xeno2:~ # modprobe -v xeno_rtdm insmod /lib/modules/2.6.37.3-xeno-2.5.6-smp/kernel/kernel/xenomai/nucleus/xeno_nucleus.ko xenomai_gid=1000 insmod /lib/modules/2.6.37.3-xeno-2.5.6-smp/kernel/kernel/xenomai/skins/rtdm/xeno_rtdm.ko xeno2:~ # modprobe -v -r xeno_rtdm rmmod /lib/modules/2.6.37.3-xeno-2.5.6-smp/kernel/kernel/xenomai/skins/rtdm/xeno_rtdm.ko rmmod /lib/modules/2.6.37.3-xeno-2.5.6-smp/kernel/kernel/xenomai/nucleus/xeno_nucleus.ko xeno2:~ # insmod /lib/modules/2.6.37.3-xeno-2.5.6-smp/kernel/kernel/xenomai/nucleus/xeno_nucleus.ko xenomai_gid=1000 xeno2:~ # insmod /lib/modules/2.6.37.3-xeno-2.5.6-smp/kernel/kernel/xenomai/skins/rtdm/xeno_rtdm.ko xeno2:~ # rmmod -v /lib/modules/2.6.37.3-xeno-2.5.6-smp/kernel/kernel/xenomai/skins/rtdm/xeno_rtdm.ko rmmod xeno_rtdm, wait=no <system hangs here> Here's the kernel log before the hang: [ 56.244307] I-pipe: Domain Xenomai registered. [ 56.244363] Xenomai: hal/i386 started. [ 56.244389] Xenomai: scheduling class idle registered. [ 56.244393] Xenomai: scheduling class rt registered. [ 56.258394] Xenomai: real-time nucleus v2.5.6 (Wormhole Wizards) loaded. [ 56.258400] Xenomai: debug mode enabled. [ 56.323052] Xenomai: SMI-enabled chipset found [ 56.323067] Xenomai: SMI workaround enabled [ 56.323116] Xenomai: starting RTDM services. [ 63.556015] Xenomai: stopping RTDM services. [ 63.606033] Xenomai: SMI configuration restored [ 63.608524] I-pipe: Domain Xenomai unregistered. [ 63.608529] Xenomai: hal/i386 stopped. [ 63.610270] Xenomai: real-time nucleus unloaded. [ 130.440143] I-pipe: Domain Xenomai registered. [ 130.440198] Xenomai: hal/i386 started. [ 130.440239] Xenomai: scheduling class idle registered. [ 130.440244] Xenomai: scheduling class rt registered. [ 130.453914] Xenomai: real-time nucleus v2.5.6 (Wormhole Wizards) loaded. [ 130.453921] Xenomai: debug mode enabled. [ 143.967395] Xenomai: SMI-enabled chipset found [ 143.967411] Xenomai: SMI workaround enabled [ 143.967467] Xenomai: starting RTDM services.
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