On Fri, 2022-12-23 at 04:02 -0800, dai.ngo@xxxxxxxxxx wrote: > Hi Mike, > > I think the problem is the nfsd4_state_shrinker_worker is being > scheduled to run multiple times. This trigger the WARN_ON_ONCE > in __queue_delayed_work. > > Could you try the attached patch to see if it fixes this problem. > I tried to reproduce it on my test VMs but no success so I can't > verify the patch. > > That was a nogo. bart:/root # grep WARNING: netconsole.log [ 1030.364594] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1655 __queue_delayed_work+0x6a/0x90 [ 1030.364970] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1657 __queue_delayed_work+0x5a/0x90 [ 1030.365315] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.365666] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.365992] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.366333] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.366669] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.366995] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.367317] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.367636] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0 [ 1030.367962] WARNING: CPU: 4 PID: 79 at kernel/workqueue.c:1500 __queue_work+0x33b/0x3d0
