From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Terry Fryar <terry.fryar@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] rtdm difficulties
Date: Fri, 20 Jan 2012 19:19:50 +0100 [thread overview]
Message-ID: <4F19B046.6090504@domain.hid> (raw)
In-Reply-To: <C65BAE4E2DF04BD68697066C4075EC78@domain.hid>
On 01/20/2012 05:17 PM, Terry Fryar wrote:
> Using xenomai 2.6.0 with 2.6.38 kernel and rtdm. Been working on a rtdm
> driver for awhile and all of a sudden I've lost stability. So, I've backed
> off all code except for registering an empty realtime irq handler using
> rtdm_irq_request(). I'm getting kernel oops, and I don't know why? The irq
> handler simply returns RTDM_IRQ_HANDLED and that's it. I've rebuilt my
> kernel several times, and I'm wondering if I'm missing a .config entry for
> something related to xenomai?? If I take out the irq handler registration,
> all is fine. This driver's been working for about 2 weeks, but all of a
> sudden I'm getting kernel faults. Here's what I'm getting from my driver
> (vme_pd_drv):
Are you working on omap ? Is the irq coming from a gpio ? Are you
returning IRQ_HANDLED without acknowledging the interrupt at device
level (I am talking about the device on the other end of the irq line).
--
Gilles.
next prev parent reply other threads:[~2012-01-20 18:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-20 16:17 [Xenomai-help] rtdm difficulties Terry Fryar
2012-01-20 17:03 ` Philippe Gerum
2012-01-20 17:42 ` Terry Fryar
2012-01-20 18:19 ` Gilles Chanteperdrix [this message]
2012-01-20 18:24 ` Terry Fryar
2012-01-20 18:32 ` Gilles Chanteperdrix
2012-01-20 19:37 ` Terry Fryar
2012-01-20 20:47 ` Philippe Gerum
2012-01-20 21:05 ` [Xenomai-help] rtdm difficulties..fixed Terry Fryar
2012-01-20 21:12 ` [Xenomai-help] rtdm difficulties...not fixed Terry Fryar
2012-01-21 16:05 ` [Xenomai-help] rtdm difficulties Gilles Chanteperdrix
2012-01-22 23:32 ` Terry Fryar
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