On 5/28/25 2:22 PM, Jeff Layton wrote: > On Wed, 2025-05-28 at 14:11 -0400, cel@xxxxxxxxxx wrote: >> From: Chuck Lever <chuck.lever@xxxxxxxxxx> >> >> On Tue, 27 May 2025 20:12:46 -0400, Jeff Layton wrote: >>> The first patch is probably appropriate for stable. It should fix >>> problems when someone sets the pool_mode to pernode, without userland >>> sending down a fully-populated thread array. >>> >>> The second patch just adds a couple of new tracepoints that I ended up >>> using to track this down. >>> >>> [...] >> >> Applied to nfsd-testing, thanks! >> >> [1/2] nfsd: use threads array as-is in netlink interface >> commit: b2a9a114a3c7f5abfa2875b70ce9b73525a74291 >> [2/2] sunrpc: new tracepoints around svc thread wakeups >> commit: 65b8babe551bddf00aac69bc905f88a4e0371766 >> > > My apologies, Chuck. Patch #2 has a bug in it: > > + trace_svc_pool_thread_noidle(pool, rqstp->rq_task->pid); > > In the call above, the rqstp will be undefined. That should be: > > + trace_svc_pool_thread_noidle(pool, 0); > > You can fix that up in tree, or I can resend if you prefer. Fixed. -- Chuck Lever