From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Fri, 08 Jul 2011 16:06:48 +0200
From: Anders Blomdell <anders.blomdell@domain.hid>
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Subject: Re: [Xenomai-core] Problems with gcc 4.6.0 (rt_task_shadow fails
 with	ENOSYS)
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>

On 07/08/2011 02:41 PM, Gilles Chanteperdrix wrote:
> On 07/07/2011 11:47 PM, Anders Blomdell wrote:
>> When compiling kernel 2.6.37.3 and xenomai 2.5.6 with "gcc version 4.6.0
>> 20110530 (Red Hat 4.6.0-9) (GCC)", programs fail with -ENOSYS in
>> rt_task_shadow. If compiled with "gcc version 4.5.1 20100924 (Red Hat
>> 4.5.1-4) (GCC)" everything works as expected.
>
> Could you send us the disassembly of the two functions?
Which functions? Print[fk] debugging got me to suspect the 
syscall/skin_mux interface, but I'm a bit at loss of exactly where the 
code ends up.

Regards

Anders


-- 
Anders Blomdell                  Email: anders.blomdell@domain.hid
Department of Automatic Control
Lund University                  Phone:    +46 46 222 4625
P.O. Box 118                     Fax:      +46 46 138118
SE-221 00 Lund, Sweden