On Mon, Nov 30, 2015 at 09:19:18AM -0800, Paul E. McKenney wrote: > On Mon, Nov 30, 2015 at 02:54:13PM +0800, fupan li wrote: [ . . . ] > > No, just a normal boot, and these stalls were happened before > > systemd services running. > > Interesting. My testing show v4.1 being OK, with the first issues showing > up somewhere between v4.1 and v4.2. Or at least v4.1 is reliable enough > that is passes 42 hours of focused rcutorture testing, where v4.2 tends > to fail in under two hours. And it seems to happen only on multisocket > systems -- I seem to be able to hammer as hard as I want on my four-core > (eight hardware thread) laptop without an issue. And I take it back. After beating on it for the better part of a week, I did get one failure on my single-socket laptop. So maybe I need to make my rcutorture scripts force tests to cross socket boundaries where possible... Thanx, Paul -- 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
