Re: [testcase] perf: yet another fuzzer triggered crash

[Vince Weaver]

On Mon, 1 Jul 2013, Peter Zijlstra wrote:


> OK, so on my westmere it triggers that WARN in task_ctx_sched_out() a
> _lot_ (I removed the ONCE for easier debugging earlier -- still kinda
> stumped there).
> 
> Then this thing causes an RCU stall and starts triggering NMI watchdog
> msgs.. so YAY! :-)

I'm glad it's not just me.

I'm in the process of kernel bisecting this, though all I can tell you so 
far is 2.6.32 is unaffected by the bug but 3.2 and later are.

Vince
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/