Messages in this thread |  | | Date | Thu, 3 Nov 2011 06:25:50 -0700 | | From | "Paul E. McKenney" <> | | Subject | Re: [PATCH RFC tip/core/rcu 09/28] rcu: Document failing tick as cause of RCU CPU stall warning |
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On Wed, Nov 02, 2011 at 08:07:50PM -0700, Josh Triplett wrote: > On Wed, Nov 02, 2011 at 01:30:30PM -0700, Paul E. McKenney wrote: > > One of lclaudio's systems was seeing RCU CPU stall warnings from idle. > > These turned out to be caused by a bug that stopped scheduling-clock > > tick interrupts from being sent to a given CPU for several hundred seconds. > > Out of curiosity, what caused this bug?
If I remember correctly, software/configuration bugs in the clock code.
Thanx, Paul
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