Messages in this thread | | | Date | Fri, 3 Jul 2015 12:08:09 +0200 | From | Peter Zijlstra <> | Subject | Re: perf: fuzzer triggered CPU lockup |
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On Thu, Jul 02, 2015 at 11:31:15PM -0400, Vince Weaver wrote: > On Thu, 2 Jul 2015, Vince Weaver wrote: > > > The fuzzer just turned this up. This is the first part; a huge amount of > > CPU lockup messages, rcu stalls, and spinlock lockup suspected messages > > followed beyond what I've posted here but eventually the machine recovered (?) > > > [20602.134103] [<ffffffff8102f676>] ? intel_pmu_drain_pebs_nhm+0x176/0x2e0 > > after a reboot I am still getting these, in addition to the other > intel_pmu_drain_pebs_nhm related warning. Do I need to try to bisect this > down?
I think I have a fairly good idea which patches to blame for that; there's been a rework of the pebs code there. Let me go have a look.
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