On 2019-07-02 10:04:49 [-0600], Chris Friesen wrote: > I'd like to clarify something though...is the serial console interrupt > threaded? If it is, then something that prevents the scheduler from running > could result in magic-sysrq not functioning, but if it isn't then I think > that would point to an interrupt problem. The interrupt is threaded, the magic-sysrq happens threaded then. Any printk in non-preemptible region will be delayed until preemptible region is reached (or delayed until the next print from preeptible region). > Thanks, > Chris Sebastian
