From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Andrey Nechypurenko <andreynech@googlemail.com>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] Error requesting IRQ on DM3730 (BeagleBoard xM)
Date: Thu, 27 Sep 2012 20:11:14 +0200 [thread overview]
Message-ID: <506496C2.9030302@xenomai.org> (raw)
In-Reply-To: <CAOiXNkCgA42HcOWaLuzmkaLPaSW2zCTEux3rdzKmUYeu1Egzyg@mail.gmail.com>
On 09/27/2012 06:25 PM, Andrey Nechypurenko wrote:
> Hi,
>
> I am currently working on simple RTDM driver for quadrature encoder
> and want to register the handler for interrupt from GPIO pin using
> rtdm_irq_request(). My platform is BeagleBoard xM (TI DM3730 ARM CPU),
> 3.2.21 Linux kernel with Xenomai-2.6.1.
>
> When insmod-ing the driver for the very first time, I am getting the
> following error message. However, after rmmod-ing and inserting the
> driver again, the error message is not appearing any more. All
> subsequent insertions and removals also do not generate any errors.
>
> [ 109.244410] I-pipe: Detected stalled head domain, probably caused by a bug.
> [ 109.244417] A critical section may have been left unterminated.
> [ 109.258596] [<c001250c>] (unwind_backtrace+0x0/0xe0) from
> [<c0075ba4>] (ipipe_request_irq+0x1c/0)
> [ 109.269958] [<c0075ba4>] (ipipe_request_irq+0x1c/0xd0) from
> [<c007ca30>] (rthal_irq_request+0x34)
> [ 109.281951] [<c007ca30>] (rthal_irq_request+0x34/0x3c) from
> [<c007ed48>] (xnintr_attach+0x54/0x1)
> [ 109.292274] [<c007ed48>] (xnintr_attach+0x54/0x100) from
> [<c00b7c20>] (rtdm_irq_request+0x34/0x5)
> [ 109.302221] [<c00b7c20>] (rtdm_irq_request+0x34/0x5c) from
> [<bf826890>] (initializeEncoders+0xa4)
> [ 109.313102] [<bf826890>] (initializeEncoders+0xa4/0xe0 [tb6612fng])
> from [<bf826708>] (initpwm+0)
> [ 109.324364] [<bf826708>] (initpwm+0x130/0x1a4 [tb6612fng]) from
> [<bf829094>] (init_module+0x94/0)
> [ 109.334984] [<bf829094>] (init_module+0x94/0xf0 [tb6612fng]) from
> [<c0008748>] (do_one_initcall+)
> [ 109.345146] [<c0008748>] (do_one_initcall+0x94/0x174) from
> [<c00653cc>] (sys_init_module+0x161c/)
> [ 109.354948] [<c00653cc>] (sys_init_module+0x161c/0x17f4) from
> [<c000dbc0>] (ret_fast_syscall+0x0)
> [ 109.364657] ------------[ cut here ]------------
> [ 109.369472] WARNING: at include/linux/ipipe_debug.h:88
> xnintr_attach+0xb0/0x100()
> [ 109.377267] Modules linked in: tb6612fng(O+) sdmak(O)
> lpm_omap3530(O) dsplinkk(O) cmemk(O) easycn
> [ 109.391566] [<c001250c>] (unwind_backtrace+0x0/0xe0) from
> [<c0036028>] (warn_slowpath_common+0x4)
> [ 109.401362] [<c0036028>] (warn_slowpath_common+0x4c/0x64) from
> [<c0036058>] (warn_slowpath_null+)
> [ 109.411430] [<c0036058>] (warn_slowpath_null+0x18/0x1c) from
> [<c007eda4>] (xnintr_attach+0xb0/0x)
> [ 109.423816] [<c007eda4>] (xnintr_attach+0xb0/0x100) from
> [<c00b7c20>] (rtdm_irq_request+0x34/0x5)
> [ 109.434047] [<c00b7c20>] (rtdm_irq_request+0x34/0x5c) from
> [<bf826890>] (initializeEncoders+0xa4)
> [ 109.444919] [<bf826890>] (initializeEncoders+0xa4/0xe0 [tb6612fng])
> from [<bf826708>] (initpwm+0)
> [ 109.456206] [<bf826708>] (initpwm+0x130/0x1a4 [tb6612fng]) from
> [<bf829094>] (init_module+0x94/0)
> [ 109.466824] [<bf829094>] (init_module+0x94/0xf0 [tb6612fng]) from
> [<c0008748>] (do_one_initcall+)
> [ 109.478492] [<c0008748>] (do_one_initcall+0x94/0x174) from
> [<c00653cc>] (sys_init_module+0x161c/)
> [ 109.489746] [<c00653cc>] (sys_init_module+0x161c/0x17f4) from
> [<c000dbc0>] (ret_fast_syscall+0x0)
> [ 109.500334] ---[ end trace c1c770f3aa0b8c03 ]---
>
> I am stuck searching for possible reasons for this error message and
> would appreciate any help or hints.
The message is likely a false positive. Could you post the init_module code?
--
Gilles.
next prev parent reply other threads:[~2012-09-27 18:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-27 16:25 [Xenomai] Error requesting IRQ on DM3730 (BeagleBoard xM) Andrey Nechypurenko
2012-09-27 18:11 ` Gilles Chanteperdrix [this message]
2012-09-27 21:05 ` Andrey Nechypurenko
2012-09-27 21:06 ` Gilles Chanteperdrix
2012-09-27 21:08 ` Andrey Nechypurenko
2012-09-27 21:14 ` Gilles Chanteperdrix
2012-09-27 21:24 ` Andrey Nechypurenko
2012-09-27 21:26 ` Andrey Nechypurenko
2012-09-27 22:01 ` Gilles Chanteperdrix
2012-09-28 8:52 ` Andrey Nechypurenko
2012-09-28 10:17 ` Gilles Chanteperdrix
2012-09-27 21:10 ` Andrey Nechypurenko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=506496C2.9030302@xenomai.org \
--to=gilles.chanteperdrix@xenomai.org \
--cc=andreynech@googlemail.com \
--cc=xenomai@xenomai.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.