From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <45367E43.5020208@domain.hid>
Date: Wed, 18 Oct 2006 21:19:31 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-core] BUG: sleeping function called from invalid context
	at kernel/xenomai/skins/posix/syscall.c:272
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To: Wolfgang Grandegger <wg@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>

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Wolfgang Grandegger wrote:
> Hello,
>=20
> when I start the RT-Socket-CAN program rtcan_rtt.c, I get the attached
> error message. Any idea where the problem could be? It was working with=

> Xenomai under Linux 2.4.25.
>=20
> Thanks.
>=20
> Wolfgang.
>=20
>=20
>=20
> -----------------------------------------------------------------------=
-
>=20
> bash-3.00# rtcan_rtt rtcan0 rtcan1
> BUG: sleeping function called from invalid context at kernel/xenomai/sk=
ins/posix/syscall.c:272
> in_atomic():0, irqs_disabled():1

Leaking lock somewhere? Some suggestions:

- Does it also happen with rtcan_virt?
- If no: switch on XENO_OPT_DEBUG and then XENO_OPT_DEBUG_RTDM (may
  catch leaking locks of the CAN driver)
- If yes: what arch are you on? PPC? On x86/2.6 I do not have problems
  with your demo over rtcan_virt.

Jan


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