Yeh, omap and gpio.....edge irq from a square wave pulse.... -----Original Message----- From: Gilles Chanteperdrix [mailto:gilles.chanteperd...@xenomai.org] Sent: Friday, January 20, 2012 12:20 PM To: Terry Fryar Cc: xenomai-help@gna.org Subject: Re: [Xenomai-help] rtdm difficulties
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. _______________________________________________ Xenomai-help mailing list Xenomai-help@gna.org https://mail.gna.org/listinfo/xenomai-help