On Wed, 21 Dec 2011, Lukas Erlinghagen wrote: > Dear list, > > we're getting the kernel panic postet below on our system (Kernel version is > 3.0.3-rt11, the platform is an embedded PowerPC 440 in a Virtex 5 FPGA, the > device controlled by the UIO driver is a Freescale MFR4310 controller, and the > interrupt is triggered by a high-active interrupt pin). This panic only occurs > when using CONFIG_PREEMPT_RT_FULL, and only under high interrupt load on the > MFR. > > I've also included our IRQ handler (registered with IRQF_ONESHOT) and IRQ > control function. > > Is there something fundamentally wrong we're doing, and if so, where can I You are running the UIO interrupt handler with IRQF_NO_THREAD. That can't work on RT. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
