On 2007.10.12 11:18:24 +0200, John Sigler wrote: > Hello, > > I'm experiencing a full system lockup. I'm using an out-of-tree driver > which I suspect is responsible. I'm trying to enable the NMI watchdog. > > # cat /proc/version > Linux version 2.6.22.1-rt9 (gcc version 3.4.6) #1 PREEMPT RT Tue Oct 9 > 12:25:47 CEST 2007 > > # cat /proc/cmdline > ro root=/dev/hdc1 console=ttyS0,57600n8 console=tty0 panic=3 apic=debug > nmi_watchdog=2 > > However, after boot, the NMI count does not change. > > # cat /proc/interrupts ; sleep 10 ; cat /proc/interrupts Try running some cpu hog in the background. The performance counters get increased only when the CPU is actually doing something. On a mostly idle system, it can take quite a while for the next NMI to show up. Björn - 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
