Messages in this thread | | | Date | Sun, 12 May 2013 18:35:18 -0700 | From | "Paul E. McKenney" <> | Subject | Re: Bisected post-3.9 regression: Resume takes 5 times as much time as with v3.9 |
| |
On Sun, May 12, 2013 at 11:34:30PM +0200, Joerg Roedel wrote: > On Sun, May 12, 2013 at 01:57:48PM -0700, Paul E. McKenney wrote: > > That does look pretty extreme! If you build with CONFIG_RCU_NO_HZ=n, > > but without the revert, do you still get the delays? > > With CONFIG_RCU_NO_HZ=n (and no revert) the system boots fine, no boot > delay. I also enabled some RCU debugging options (with > CONFIG_RCU_NO_HZ=y), but didn't see anything so far.
OK, good -- we at least have an easy work-around while I am tracking this down. ;-)
Thanx, Paul
| |