On Sat, Nov 09, 2013 at 03:52:59PM +0100, Frederic Weisbecker wrote: > So, an idea of what may be happening: an event overflows while FASYNC flag is > set so it triggers an irq work > to send the signal (kill_fasync). > After the irq work triggers, it generates an irq_work_exit event, which in > turn overflows and, > if it has FASYNC, triggers a new irq work. The irq work triggers and > generates an irq work exit event which > has FASYNC flag, etc... > > Looks like a nice way to deadlock with an infinite loop of irq work.
Yep, exactly, see the email I just send. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
