Hi Sebastian, On Fri, 2014-04-11 at 20:57 +0200, Sebastian Andrzej Siewior wrote: > Dear RT folks! > > I'm pleased to announce the v3.14-rt1 patch set. This hunk in hotplug-light-get-online-cpus.patch looks like a bug. @@ -333,7 +449,7 @@ static int __ref _cpu_down(unsigned int /* CPU didn't die: tell everyone. Can't complain. */ smpboot_unpark_threads(cpu); cpu_notify_nofail(CPU_DOWN_FAILED | mod, hcpu); - goto out_release; + goto out_cancel; } BUG_ON(cpu_online(cpu)); > x86-64 crashed after I started hackbench. I figured out that the crash > does not happen with lazy-preempt disabled. Therefore the last but one > patch in the queue disables lazy preempt on x86-64. With this change the > test box survived ~2h without a crash. I look at this later but it looks > good now. Ah, I had trouble there a while back too. I'll try to scrape up cycles for a round 2, see who begs for mercy this time, it or me again. -Mike -- 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