Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-05 Thread Steven Rostedt
On Wed, 5 Sep 2018 05:59:41 -0700 "Paul E. McKenney" wrote: > On Wed, Sep 05, 2018 at 10:22:54AM +0200, Borislav Petkov wrote: > > On Tue, Sep 04, 2018 at 01:53:21PM -0700, Paul E. McKenney wrote: > > > I must defer to Borislav on this one. Assuming it has the desired > > > effect, I am good w

Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-05 Thread Paul E. McKenney
On Wed, Sep 05, 2018 at 10:22:54AM +0200, Borislav Petkov wrote: > On Tue, Sep 04, 2018 at 01:53:21PM -0700, Paul E. McKenney wrote: > > I must defer to Borislav on this one. Assuming it has the desired > > effect, I am good with it. > > It did survive a bunch of reboots (the WARN would fire afte

Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-05 Thread Borislav Petkov
On Tue, Sep 04, 2018 at 01:53:21PM -0700, Paul E. McKenney wrote: > I must defer to Borislav on this one. Assuming it has the desired > effect, I am good with it. It did survive a bunch of reboots (the WARN would fire after boot finishes, normally) so I guess we can run with it and see how it wor

Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-04 Thread Paul E. McKenney
On Tue, Sep 04, 2018 at 04:26:11PM -0400, Steven Rostedt wrote: > On Sat, 1 Sep 2018 21:16:39 -0700 > "Paul E. McKenney" wrote: > > > On Sat, Sep 01, 2018 at 06:45:31PM -0400, Steven Rostedt wrote: > > > On Sat, 1 Sep 2018 10:54:42 -0700 > > > "Paul E. McKenney" wrote: > > > > > > > On Sat, S

Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-04 Thread Steven Rostedt
On Sat, 1 Sep 2018 21:16:39 -0700 "Paul E. McKenney" wrote: > On Sat, Sep 01, 2018 at 06:45:31PM -0400, Steven Rostedt wrote: > > On Sat, 1 Sep 2018 10:54:42 -0700 > > "Paul E. McKenney" wrote: > > > > > On Sat, Sep 01, 2018 at 07:35:59PM +0200, Borislav Petkov wrote: > > > > This is a huge

Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-01 Thread Paul E. McKenney
On Sat, Sep 01, 2018 at 06:45:31PM -0400, Steven Rostedt wrote: > On Sat, 1 Sep 2018 10:54:42 -0700 > "Paul E. McKenney" wrote: > > > On Sat, Sep 01, 2018 at 07:35:59PM +0200, Borislav Petkov wrote: > > > This is a huge splat! It haz some perf* and sched* in it, I guess for > > > peterz to stare

Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-01 Thread Steven Rostedt
On Sat, 1 Sep 2018 10:54:42 -0700 "Paul E. McKenney" wrote: > On Sat, Sep 01, 2018 at 07:35:59PM +0200, Borislav Petkov wrote: > > This is a huge splat! It haz some perf* and sched* in it, I guess for > > peterz to stare at. And lemme add Paul for good measure too :) > > > > Kernel is -rc1 + 3 m

Re: 4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-01 Thread Paul E. McKenney
On Sat, Sep 01, 2018 at 07:35:59PM +0200, Borislav Petkov wrote: > This is a huge splat! It haz some perf* and sched* in it, I guess for > peterz to stare at. And lemme add Paul for good measure too :) > > Kernel is -rc1 + 3 microcode loader patches ontop which should not be > related. It really

4.19-rc1: ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!

2018-09-01 Thread Borislav Petkov
This is a huge splat! It haz some perf* and sched* in it, I guess for peterz to stare at. And lemme add Paul for good measure too :) Kernel is -rc1 + 3 microcode loader patches ontop which should not be related. Thx. --- [ 62.409125] = [ 62.409129] WARNING: suspic