On Tue, Nov 11, 2008 at 09:34:51AM -0800, Paul E. McKenney wrote: > On Tue, Nov 11, 2008 at 08:45:23AM -0800, Paul E. McKenney wrote: > > On Tue, Nov 11, 2008 at 05:14:01PM +0100, Heiko Carstens wrote: > > > > > Could you please apply the following debug patch (due to Jiangshan and > > > > > myself)? Then you should be able to build with CONFIG_RCU_TRACE, > > > > > then mount debugfs after boot, for example, on /debug. This will > > > > > create a /debug/rcu directory with three files, "rcucb", "rcu_data", > > > > > and "rcu_bh_data". Since you are still able to log in, could you > > > > > please send the contents of these three files? > > > > > > > > > > Thanx, Paul > > > > > > > > This time with the patch actually attached... Thanks to Peter Z. > > > > for alerting me to my omission. > > > > > > Well, your patch doesn't apply on git head. However I used preemptible > > > RCU instead and had tracing enabled. > > > > Were you using preemptible RCU earlier as well? Raphael was using > > classic RCU. Don't get me wrong, all problems need fixing, just trying > > to make sure I understand where the problems are occurring. Indeed, my fault. I just try to reproduce a cpu hotplug bug with classic RCU and cpu hotplug stress test, but no luck so far. -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
