Re: localed stuck in recent 3.18 git in copy_net_ns?

On Tue, Oct 28, 2014 at 09:54:28AM -0600, Kevin Fenzi wrote: > Just FYI, this solves the orig issue for me as well. ;) > > Thanks for all the work in tracking it down... > > Tested-by: Kevin Fenzi And thank you for testing as well!

Re: localed stuck in recent 3.18 git in copy_net_ns?

Just FYI, this solves the orig issue for me as well. ;) Thanks for all the work in tracking it down... Tested-by: Kevin Fenzi kevin signature.asc Description: PGP signature

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Tue-10/28/14-2014 05:50, Paul E. McKenney wrote: > On Tue, Oct 28, 2014 at 10:12:43AM +0200, Yanko Kaneti wrote: > > On Mon-10/27/14-2014 10:45, Paul E. McKenney wrote: > > > On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: > > > > On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Tue, Oct 28, 2014 at 10:12:43AM +0200, Yanko Kaneti wrote: > On Mon-10/27/14-2014 10:45, Paul E. McKenney wrote: > > On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: > > > On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: > > > > Paul E. McKenney wrote: > > > > >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Mon-10/27/14-2014 10:45, Paul E. McKenney wrote: > On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: > > On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: > > > Paul E. McKenney wrote: > > > > > > >On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: > > >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Mon-10/27/14-2014 10:45, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Tue, Oct 28, 2014 at 10:12:43AM +0200, Yanko Kaneti wrote: On Mon-10/27/14-2014 10:45, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Tue-10/28/14-2014 05:50, Paul E. McKenney wrote: On Tue, Oct 28, 2014 at 10:12:43AM +0200, Yanko Kaneti wrote: On Mon-10/27/14-2014 10:45, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh

Re: localed stuck in recent 3.18 git in copy_net_ns?

Just FYI, this solves the orig issue for me as well. ;) Thanks for all the work in tracking it down... Tested-by: Kevin Fenzi ke...@scrye.com kevin signature.asc Description: PGP signature

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Tue, Oct 28, 2014 at 09:54:28AM -0600, Kevin Fenzi wrote: Just FYI, this solves the orig issue for me as well. ;) Thanks for all the work in tracking it down... Tested-by: Kevin Fenzi ke...@scrye.com And thank you for testing as well!

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Mon, Oct 27, 2014 at 01:43:21PM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: > >> On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: > >> > Paul E. McKenney wrote: > >> > > >> > >On Fri, Oct 24, 2014

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: >> On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: >> > Paul E. McKenney wrote: >> > >> > >On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: >> > >> Looking at the

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: > On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: > > Paul E. McKenney wrote: > > > > >On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: > > >> Looking at the dmesg, the early boot messages seem to be >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: Looking at the dmesg, the early boot messages

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Mon, Oct 27, 2014 at 01:43:21PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Sat, Oct 25, 2014 at 11:18:27AM -0700, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Fri, Oct 24, 2014 at 05:20:48PM -0700, Jay Vosburgh wrote: > >> Paul E. McKenney wrote: > >> > >> >On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: > >> [...] > >> >> Hmmm... It

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 14:49, Paul E. McKenney wrote: > On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: > > On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: > > > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > > > > On Fri-10/24/14-2014 10:20, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 03:09:36PM +0300, Yanko Kaneti wrote: > On Fri-10/24/14-2014 14:49, Paul E. McKenney wrote: > > On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: > > > On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: > > > > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Fri, Oct 24, 2014 at 05:20:48PM -0700, Jay Vosburgh wrote: >> Paul E. McKenney wrote: >> >> >On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: >> [...] >> >> Hmmm... It sure looks like we have some callbacks stuck here. I clearly >> >> need to take

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: >> Looking at the dmesg, the early boot messages seem to be >> confused as to how many CPUs there are, e.g., >> >> [0.00] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 >> [

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: > >>Looking at the dmesg, the early boot messages seem to be > >> confused as to how many CPUs there are, e.g., > >> > >> [0.00]

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 09:38:16AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: Looking at the dmesg, the early boot messages seem to be confused as to how many CPUs there are, e.g., [

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: Looking at the dmesg, the early boot messages seem to be confused as to how many CPUs there are, e.g., [0.00] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4,

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 05:20:48PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: [...] Hmmm... It sure looks like we have some callbacks

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 03:09:36PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 14:49, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 14:49, Paul E. McKenney wrote: On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: [ . .

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 09:33:33PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 05:20:48PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 05:20:48PM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: > [...] > >> Hmmm... It sure looks like we have some callbacks stuck here. I clearly > >> need to take a hard look at the sleep/wakeup

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: [...] >> Hmmm... It sure looks like we have some callbacks stuck here. I clearly >> need to take a hard look at the sleep/wakeup code. >> >> Thank you for running this!!! > >Could you please try the

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: > On Fri, Oct 24, 2014 at 03:34:07PM -0700, Jay Vosburgh wrote: > > Paul E. McKenney wrote: > > > > >On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: > > >> On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: > > >> >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 03:34:07PM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: > >> On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: > >> > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > >> > > On

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Fri, Oct 24, 2014 at 03:02:04PM -0700, Jay Vosburgh wrote: >> Paul E. McKenney wrote: >> [...] >> I've got an ftrace capture from unmodified -net, it looks like >> this: >> >> ovs-vswitchd-902 [000] 471.778441: rcu_barrier: rcu_sched Begin >> cpu

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: >> On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: >> > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: >> > > On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: > >[ . . . ] > >> > > >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 03:02:04PM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: > >> On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: > >> > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > >> > > On

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: >> On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: >> > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: >> > > On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: > >[ . . . ] > >> > > >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: > On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: > > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > > > On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: [ . . . ] > > > > Well, if you are feeling aggressive,

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: > On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > > On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: > > > On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: > > > > On Fri-10/24/14-2014 09:54, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 11:57:53AM -0700, Paul E. McKenney wrote: > On Fri, Oct 24, 2014 at 11:49:48AM -0700, Jay Vosburgh wrote: > > Paul E. McKenney wrote: > > > > >On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > > >> On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: > > >> >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 11:49:48AM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > >> On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: > >> > On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: > >> > > On

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: >> On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: >> > On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: >> > > On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: >> > > > On Fri, Oct 24,

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 11:20:11AM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Thu, Oct 23, 2014 at 09:48:34PM -0700, Jay Vosburgh wrote: > >> Paul E. McKenney wrote: > [...] > >> >Either way, my patch assumed that 39953dfd4007 (rcu: Avoid misordering in > >>

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: > On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: > > On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: > > > On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: > > > > On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Thu, Oct 23, 2014 at 09:48:34PM -0700, Jay Vosburgh wrote: >> Paul E. McKenney wrote: [...] >> >Either way, my patch assumed that 39953dfd4007 (rcu: Avoid misordering in >> >__call_rcu_nocb_enqueue()) would work and that 1772947bd012 (rcu: Handle >> >NOCB callbacks

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: > On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: > > On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: > > > On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: > > > > On Fri-10/24/14-2014 08:40, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: > On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: > > On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: > > > On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: > > > > On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: > On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: > > On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: > > > On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: > > > > On Thu-10/23/14-2014 15:04, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: > On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: > > On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: > > > On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: > > > > On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: > On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: > > On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: > > > On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: > > > > > > > > On Thu, 2014-10-23 at 13:05 -0700, Paul

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: > On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: > > On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: > > > > > > On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: > > > > On Thu, Oct 23, 2014 at 10:51:59PM

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 09:48:34PM -0700, Jay Vosburgh wrote: > Paul E. McKenney wrote: > > >On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: > >> > >> On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: > >> > On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: >

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: > On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: > > > > On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: > > > On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: > > > > On Thu-10/23/14-2014 08:33, Paul E.

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 08:33, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 09:48:34PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 15:04, Paul E. McKenney wrote: On

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 12:08:57PM +0300, Yanko Kaneti

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 08:40, Paul E. McKenney wrote: On

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Thu, Oct 23, 2014 at 09:48:34PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: [...] Either way, my patch assumed that 39953dfd4007 (rcu: Avoid misordering in __call_rcu_nocb_enqueue()) would work and that

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 07:29:43PM +0300, Yanko Kaneti

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 11:20:11AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Thu, Oct 23, 2014 at 09:48:34PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: [...] Either way, my patch assumed that 39953dfd4007 (rcu:

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: On Fri,

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 11:49:48AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote:

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 11:57:53AM -0700, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 11:49:48AM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:09:31PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 09:54, Paul E. McKenney wrote: On

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: [ . . . ] Well, if you are feeling aggressive, give the

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: [ . . . ]

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 03:02:04PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote:

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 10:20, Paul E. McKenney wrote: [ . . . ]

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 03:02:04PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: [...] I've got an ftrace capture from unmodified -net, it looks like this: ovs-vswitchd-902 [000]

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 03:34:07PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 08:35:26PM +0300, Yanko Kaneti wrote:

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: On Fri, Oct 24, 2014 at 03:34:07PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Sat, Oct 25, 2014 at 12:25:57AM +0300, Yanko Kaneti wrote: On Fri-10/24/14-2014 11:32, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: [...] Hmmm... It sure looks like we have some callbacks stuck here. I clearly need to take a hard look at the sleep/wakeup code. Thank you for running this!!! Could you

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 05:20:48PM -0700, Jay Vosburgh wrote: Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 03:59:31PM -0700, Paul E. McKenney wrote: [...] Hmmm... It sure looks like we have some callbacks stuck here. I clearly need to take a hard look at

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney wrote: >On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: >> >> On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: >> > On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: >> > > On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote: >> > > > On Thu,

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: > > On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: > > On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: > > > On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote: > > > > On Thu, Oct 23, 2014 at 05:27:50AM

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: > On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: > > On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote: > > > On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: > > > > On Thu, Oct 23, 2014 at 09:09:26AM

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: > On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote: > > On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: > > > On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: > > > > On Wed, 2014-10-22 at 16:24 -0700,

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 12:11:26PM -0400, Josh Boyer wrote: > On Oct 23, 2014 11:37 AM, "Paul E. McKenney" > wrote: > > > > On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: > > > On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: > > > > On Wed, 2014-10-22 at 16:24

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: > On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: > > On Wed, 2014-10-22 at 16:24 -0700, Paul E. McKenney wrote: > > > On Thu, Oct 23, 2014 at 01:40:32AM +0300, Yanko Kaneti wrote: > > > > On Wed-10/22/14-2014 15:33,

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: > On Wed, 2014-10-22 at 16:24 -0700, Paul E. McKenney wrote: > > On Thu, Oct 23, 2014 at 01:40:32AM +0300, Yanko Kaneti wrote: > > > On Wed-10/22/14-2014 15:33, Josh Boyer wrote: > > > > On Wed, Oct 22, 2014 at 2:55 PM, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed, 2014-10-22 at 16:24 -0700, Paul E. McKenney wrote: > On Thu, Oct 23, 2014 at 01:40:32AM +0300, Yanko Kaneti wrote: > > On Wed-10/22/14-2014 15:33, Josh Boyer wrote: > > > On Wed, Oct 22, 2014 at 2:55 PM, Paul E. McKenney > > > wrote: > > [ . . . ] > > > > > Don't get me wrong -- the

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed, 2014-10-22 at 16:24 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 01:40:32AM +0300, Yanko Kaneti wrote: On Wed-10/22/14-2014 15:33, Josh Boyer wrote: On Wed, Oct 22, 2014 at 2:55 PM, Paul E. McKenney paul...@linux.vnet.ibm.com wrote: [ . . . ] Don't get me wrong

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: On Wed, 2014-10-22 at 16:24 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 01:40:32AM +0300, Yanko Kaneti wrote: On Wed-10/22/14-2014 15:33, Josh Boyer wrote: On Wed, Oct 22, 2014 at 2:55 PM, Paul E. McKenney

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: On Wed, 2014-10-22 at 16:24 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 01:40:32AM +0300, Yanko Kaneti wrote: On Wed-10/22/14-2014 15:33, Josh Boyer

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 12:11:26PM -0400, Josh Boyer wrote: On Oct 23, 2014 11:37 AM, Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: On Wed, 2014-10-22

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko Kaneti wrote: On Wed, 2014-10-22 at 16:24 -0700, Paul E.

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 09:09:26AM +0300, Yanko

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 05:27:50AM -0700, Paul E.

Re: localed stuck in recent 3.18 git in copy_net_ns?

Paul E. McKenney paul...@linux.vnet.ibm.com wrote: On Fri, Oct 24, 2014 at 12:45:40AM +0300, Yanko Kaneti wrote: On Thu, 2014-10-23 at 13:05 -0700, Paul E. McKenney wrote: On Thu, Oct 23, 2014 at 10:51:59PM +0300, Yanko Kaneti wrote: On Thu-10/23/14-2014 08:33, Paul E. McKenney wrote:

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Thu, Oct 23, 2014 at 01:40:32AM +0300, Yanko Kaneti wrote: > On Wed-10/22/14-2014 15:33, Josh Boyer wrote: > > On Wed, Oct 22, 2014 at 2:55 PM, Paul E. McKenney > > wrote: [ . . . ] > > > Don't get me wrong -- the fact that this kthread appears to have > > > blocked within rcu_barrier() for

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed-10/22/14-2014 15:33, Josh Boyer wrote: > On Wed, Oct 22, 2014 at 2:55 PM, Paul E. McKenney > wrote: > > On Wed, Oct 22, 2014 at 01:25:37PM -0500, Eric W. Biederman wrote: > >> "Paul E. McKenney" writes: > >> > >> > On Wed, Oct 22, 2014 at 12:53:24PM -0500, Eric W. Biederman wrote: > >> >>

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed, Oct 22, 2014 at 2:55 PM, Paul E. McKenney wrote: > On Wed, Oct 22, 2014 at 01:25:37PM -0500, Eric W. Biederman wrote: >> "Paul E. McKenney" writes: >> >> > On Wed, Oct 22, 2014 at 12:53:24PM -0500, Eric W. Biederman wrote: >> >> Cong Wang writes: >> >> >> >> > (Adding Paul and Eric in

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed, Oct 22, 2014 at 01:25:37PM -0500, Eric W. Biederman wrote: > "Paul E. McKenney" writes: > > > On Wed, Oct 22, 2014 at 12:53:24PM -0500, Eric W. Biederman wrote: > >> Cong Wang writes: > >> > >> > (Adding Paul and Eric in Cc) > >> > > >> > > >> > On Wed, Oct 22, 2014 at 10:12 AM, Josh

Re: localed stuck in recent 3.18 git in copy_net_ns?

"Paul E. McKenney" writes: > On Wed, Oct 22, 2014 at 12:53:24PM -0500, Eric W. Biederman wrote: >> Cong Wang writes: >> >> > (Adding Paul and Eric in Cc) >> > >> > >> > On Wed, Oct 22, 2014 at 10:12 AM, Josh Boyer >> > wrote: >> >> >> >> Someone else is seeing this when they try and modprobe

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed, Oct 22, 2014 at 12:53:24PM -0500, Eric W. Biederman wrote: > Cong Wang writes: > > > (Adding Paul and Eric in Cc) > > > > > > On Wed, Oct 22, 2014 at 10:12 AM, Josh Boyer > > wrote: > >> > >> Someone else is seeing this when they try and modprobe ppp_generic: > >> > >> [ 240.599195]

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed, Oct 22, 2014 at 1:59 PM, Paul E. McKenney wrote: > On Wed, Oct 22, 2014 at 10:37:53AM -0700, Cong Wang wrote: >> (Adding Paul and Eric in Cc) >> >> I am not aware of any change in net/core/dev.c related here, >> so I guess it's a bug in rcu_barrier(). >> >> Thanks. > > Does commit

Re: localed stuck in recent 3.18 git in copy_net_ns?

On Wed, Oct 22, 2014 at 10:37:53AM -0700, Cong Wang wrote: > (Adding Paul and Eric in Cc) > > I am not aware of any change in net/core/dev.c related here, > so I guess it's a bug in rcu_barrier(). > > Thanks. Does commit 789cbbeca4e (workqueue: Add quiescent state between work items) and

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