Re: nohz fail (was: perf related boot hang.)

2014-08-21 Thread Catalin Iacob
On Thu, Aug 21, 2014 at 4:56 PM, Frederic Weisbecker wrote: > Can you please test the series I just posted: "[RFC PATCH 0/9] nohz: > Nohz full kick fixes"? Before applying the series I tried one more Firefox build which triggered the panic after less than 5 minutes. After applying the series I d

Re: nohz fail (was: perf related boot hang.)

2014-08-20 Thread Catalin Iacob
I've also just hit what seems to be the same panic in 3.17-rc1 (ignore the 1 local patch, it's an unrelated change in a comment) twice in less than 1 hour. Hitting this twice in a short amount of time seems to be proof that the 3.17 merge window made it trigger more often. Both times I was running

Re: nohz fail (was: perf related boot hang.)

2014-09-04 Thread Catalin Iacob
On Tue, Sep 2, 2014 at 8:23 PM, Catalin Iacob wrote: > On Mon, Sep 1, 2014 at 10:14 PM, Frederic Weisbecker > wrote: >> I'll send "nohz: Restore NMI safe local irq work for local nohz kick" >> as a fix for 3.17 and the rest will have to wait for 3.18 as it'

Re: nohz fail (was: perf related boot hang.)

2014-09-04 Thread Catalin Iacob
On Thu, Sep 4, 2014 at 10:17 PM, Frederic Weisbecker wrote: > Yeah, that's expected. You need to apply the nine patches on top of -rc1: > > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git > nohz/fixes > > "nohz: Restore NMI safe local irq work for local nohz kick"

Re: nohz fail (was: perf related boot hang.)

2014-09-02 Thread Catalin Iacob
On Mon, Sep 1, 2014 at 10:14 PM, Frederic Weisbecker wrote: > I'll send "nohz: Restore NMI safe local irq work for local nohz kick" > as a fix for 3.17 and the rest will have to wait for 3.18 as it's a > complicated > fix for a long standing bug. I've been running with the full series since you