On Wed, 22 Jul 2009, John Kacur wrote: > Hello Thomas et al > > I'm still seeing this sometimes, in this case during shutdown with the experimental rt kernel > based off of 2.6.31-rc3 > > The system is going down for reboot NOW! > Disabling monthly Smolt update: [ OK ] > Shutting down Avahi daemon: [drm:gm45_get_vblank_counter] *ERROR* trying to get1 > BUG: unable to handle kernel NULL pointer dereference at 0000000000000084 > IP: [<ffffffffa05df8ef>] i915_driver_irq_handler+0x848/0x8e9 [i915] So it crashes in the i915 interrupt handler. Smells like a synchronization problem on shutdown which is exposed by the threaded handler. Dave, any idea ? 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
