Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Brian Foster
On Tue, Feb 09, 2021 at 07:43:14AM +1100, Dave Chinner wrote: > On Mon, Feb 08, 2021 at 09:28:24AM -0800, Darrick J. Wong wrote: > > On Mon, Feb 09, 2021 at 09:11:40AM -0800, Paul E. McKenney wrote: > > > On Mon, Feb 08, 2021 at 10:44:58AM -0500, Brian Foster wrote: > > > > There was a v2 inline

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Dave Chinner
On Mon, Feb 08, 2021 at 09:28:24AM -0800, Darrick J. Wong wrote: > On Mon, Feb 09, 2021 at 09:11:40AM -0800, Paul E. McKenney wrote: > > On Mon, Feb 08, 2021 at 10:44:58AM -0500, Brian Foster wrote: > > > There was a v2 inline that incorporated some directed feedback. > > > Otherwise there were

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Brian Foster
On Mon, Feb 08, 2021 at 09:28:24AM -0800, Darrick J. Wong wrote: > On Mon, Feb 09, 2021 at 09:11:40AM -0800, Paul E. McKenney wrote: > > On Mon, Feb 08, 2021 at 10:44:58AM -0500, Brian Foster wrote: > > > On Mon, Feb 08, 2021 at 06:57:24AM -0800, Paul E. McKenney wrote: > > > > On Mon, Feb 08,

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Darrick J. Wong
On Mon, Feb 09, 2021 at 09:11:40AM -0800, Paul E. McKenney wrote: > On Mon, Feb 08, 2021 at 10:44:58AM -0500, Brian Foster wrote: > > On Mon, Feb 08, 2021 at 06:57:24AM -0800, Paul E. McKenney wrote: > > > On Mon, Feb 08, 2021 at 09:07:24AM -0500, Brian Foster wrote: > > > > On Fri, Feb 05, 2021

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Paul E. McKenney
On Mon, Feb 08, 2021 at 10:44:58AM -0500, Brian Foster wrote: > On Mon, Feb 08, 2021 at 06:57:24AM -0800, Paul E. McKenney wrote: > > On Mon, Feb 08, 2021 at 09:07:24AM -0500, Brian Foster wrote: > > > On Fri, Feb 05, 2021 at 09:12:40AM -0800, Paul E. McKenney wrote: > > > > On Fri, Feb 05, 2021

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Brian Foster
On Mon, Feb 08, 2021 at 06:57:24AM -0800, Paul E. McKenney wrote: > On Mon, Feb 08, 2021 at 09:07:24AM -0500, Brian Foster wrote: > > On Fri, Feb 05, 2021 at 09:12:40AM -0800, Paul E. McKenney wrote: > > > On Fri, Feb 05, 2021 at 08:29:06AM +0100, Paul Menzel wrote: > > > > Dear Linux folks, > > >

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Paul E. McKenney
On Mon, Feb 08, 2021 at 09:07:24AM -0500, Brian Foster wrote: > On Fri, Feb 05, 2021 at 09:12:40AM -0800, Paul E. McKenney wrote: > > On Fri, Feb 05, 2021 at 08:29:06AM +0100, Paul Menzel wrote: > > > Dear Linux folks, > > > > > > > > > On a Dell PowerEdge T630/0NT78X, BIOS 2.8.0 05/23/2018 with

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-08 Thread Brian Foster
On Fri, Feb 05, 2021 at 09:12:40AM -0800, Paul E. McKenney wrote: > On Fri, Feb 05, 2021 at 08:29:06AM +0100, Paul Menzel wrote: > > Dear Linux folks, > > > > > > On a Dell PowerEdge T630/0NT78X, BIOS 2.8.0 05/23/2018 with Linux 5.4.57, we > > twice saw a self-detected stall on a CPU (October

Re: rcu: INFO: rcu_sched self-detected stall on CPU: Workqueue: xfs-conv/md0 xfs_end_io

2021-02-05 Thread Paul E. McKenney
On Fri, Feb 05, 2021 at 08:29:06AM +0100, Paul Menzel wrote: > Dear Linux folks, > > > On a Dell PowerEdge T630/0NT78X, BIOS 2.8.0 05/23/2018 with Linux 5.4.57, we > twice saw a self-detected stall on a CPU (October 27th, 2020, January 18th, > 2021). > > Both times, the workqueue is