Hi, the bug is still present in the latest 4.19 kernel available in Debian:
# uname -a Linux erebus4 4.19.0-4-amd64 #1 SMP Debian 4.19.28-2 (2019-03-15) x86_64 GNU/Linux # dmesg | grep RPC [ 3.742768] systemd[1]: Listening on RPCbind Server Activation Socket. [ 3.775310] RPC: Registered named UNIX socket transport module. [ 3.775311] RPC: Registered udp transport module. [ 3.775311] RPC: Registered tcp transport module. [ 3.775312] RPC: Registered tcp NFSv4.1 backchannel transport module. [17262.934669] RPC request reserved 228 but used 368 [17358.306369] RPC request reserved 228 but used 368 [24740.484446] RPC request reserved 148 but used 368 [24741.704647] RPC request reserved 228 but used 368 [26146.799347] RPC request reserved 228 but used 368 [28062.750494] RPC request reserved 228 but used 368 [35307.284580] RPC request reserved 228 but used 368 [35312.033280] RPC request reserved 228 but used 368 [38588.762063] RPC request reserved 228 but used 368 [49064.144596] RPC request reserved 228 but used 468 [103915.176964] RPC request reserved 228 but used 420 [...] -- Laurent.
