From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Tue, 18 May 2010 13:03:09 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-core] rtdm_dev_register oops
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To: Stefan Kisdaroczi <kisda@domain.hid>
Cc: xenomai@xenomai.org

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Stefan Kisdaroczi wrote:
> hi,
>=20
> i got a exception in rtdm_dev_register(). I didnt call rtdm_dev_unregis=
ter in my driver
> and after insmodding the module again I got a oops.

And that is surprising to you? :)

If you leave the previous device registered on rmmod, oopses are
programmed to occur: You leave references to unallocated memory behind.

Jan

> xenomai 2.5.3, linux 2.6.32.11, x86 32bit, ubuntu 10.04.
>=20
> Attached is the dmesg-trace and a small rtdm-module foo.c for reproduct=
ion:
> insmod ./xeno_foo.ko
> rmmod xeno_foo
> insmod ./xeno_foo.ko -> oops
>=20
> thanks
> stefan


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