metoo. I am not sure if a modern kernel on the clients is involved (most clients are running 6.1.90), but I have seen a blocking nfsd twice as well, last time this morning.
The kern.log on the server says 2024-06-10T15:54:23.722921+02:00 nasl006b kernel: [1298984.543582] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000038737b25 xid 0781d24a 2024-06-10T15:54:23.726900+02:00 nasl006b kernel: [1298984.546612] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 00000000a26e4b2f xid be1192b1 2024-06-13T05:03:33.398937+02:00 nasl006b kernel: [1519133.667346] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 000000009ac82051 xid 45702eb1 2024-06-13T05:03:33.398953+02:00 nasl006b kernel: [1519133.667349] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 00000000b0af5adf xid 63ccb60e 2024-06-13T05:03:33.398958+02:00 nasl006b kernel: [1519133.667353] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 000000004d687ff9 xid 0438a972 2024-06-13T05:03:33.398959+02:00 nasl006b kernel: [1519133.667359] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 000000009ae347c0 xid 7c0ce7c5 2024-06-13T05:03:33.398959+02:00 nasl006b kernel: [1519133.667368] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 00000000c7b6b344 xid d288e075 2024-06-13T05:03:33.858956+02:00 nasl006b kernel: [1519134.125230] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 000000009ab8ef2e xid ccbb2f97 2024-06-13T05:03:34.070965+02:00 nasl006b kernel: [1519134.337681] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000024912b8e xid 370e512d 2024-06-15T05:04:25.622954+02:00 nasl006b kernel: [1691985.457249] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000033ef7c5b xid 6c326582 2024-06-15T05:04:25.622972+02:00 nasl006b kernel: [1691985.457258] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000027b8cd15 xid 2fc70243 2024-06-15T05:04:25.622973+02:00 nasl006b kernel: [1691985.457270] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000056a81005 xid b7a5e946 2024-06-15T05:04:25.622975+02:00 nasl006b kernel: [1691985.457281] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 000000004b75ece9 xid 96a47ca2 2024-06-15T05:04:25.622976+02:00 nasl006b kernel: [1691985.457292] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000076949917 xid cdb69ad9 2024-06-15T05:04:25.630912+02:00 nasl006b kernel: [1691985.465977] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 000000009ac82051 xid 59a52eb1 2024-06-15T05:04:25.638909+02:00 nasl006b kernel: [1691985.474956] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000076fb2b63 xid f8c4f93e 2024-06-15T05:04:25.666906+02:00 nasl006b kernel: [1691985.501189] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 00000000a89fcf79 xid 40429a95 2024-06-15T05:04:25.710902+02:00 nasl006b kernel: [1691985.547423] receive_cb_reply: Got unrecognized reply: calldir 0x1 xpt_bc_xprt 0000000024912b8e xid 4b43512d 2024-06-15T05:06:48.519438+02:00 nasl006b kernel: [1692128.349682] <TASK> 2024-06-15T05:06:48.519451+02:00 nasl006b kernel: [1692128.349688] schedule_timeout+0x118/0x150 2024-06-15T05:06:48.519452+02:00 nasl006b kernel: [1692128.349696] nfsd4_destroy_session+0x1b6/0x250 [nfsd] 2024-06-15T05:06:48.519453+02:00 nasl006b kernel: [1692128.349748] svc_process_common+0x289/0x5e0 [sunrpc] 2024-06-15T05:06:48.519454+02:00 nasl006b kernel: [1692128.349856] nfsd+0xd5/0x190 [nfsd] 2024-06-15T05:06:48.519455+02:00 nasl006b kernel: [1692128.349882] INFO: task nfsd:3755 blocked for more than 120 seconds. 2024-06-15T05:06:48.566464+02:00 nasl006b kernel: [1692128.396723] __flush_workqueue+0x152/0x420 2024-06-15T05:06:48.566474+02:00 nasl006b kernel: [1692128.396767] nfsd_dispatch+0x1a1/0x2b0 [nfsd] 2024-06-15T05:06:48.566476+02:00 nasl006b kernel: [1692128.396813] ? svc_recv+0x4e5/0x890 [sunrpc] 2024-06-15T05:06:48.566476+02:00 nasl006b kernel: [1692128.396861] ? nfsd_shutdown_threads+0x90/0x90 [nfsd] 2024-06-15T05:06:48.566477+02:00 nasl006b kernel: [1692128.396906] nfsd+0xd5/0x190 [nfsd] 2024-06-15T05:06:48.566478+02:00 nasl006b kernel: [1692128.396927] ? kthread_complete_and_exit+0x20/0x20 2024-06-15T05:06:48.582911+02:00 nasl006b kernel: [1692128.420221] Call Trace: 2024-06-15T05:06:48.582924+02:00 nasl006b kernel: [1692128.420223] __schedule+0x34d/0x9e0 2024-06-15T05:06:48.582925+02:00 nasl006b kernel: [1692128.420227] schedule_timeout+0x118/0x150 2024-06-15T05:06:48.582926+02:00 nasl006b kernel: [1692128.420236] nfsd4_create_session+0x792/0xba0 [nfsd] 2024-06-15T05:06:48.582927+02:00 nasl006b kernel: [1692128.420350] ? nfsd_svc+0x360/0x360 [nfsd] 2024-06-15T05:08:49.257739+02:00 nasl006b kernel: [1692249.087884] ? kthread_complete_and_exit+0x20/0x20 2024-06-15T05:08:49.257752+02:00 nasl006b kernel: [1692249.087891] INFO: task nfsd:3751 blocked for more than 241 seconds. 2024-06-15T05:08:49.274964+02:00 nasl006b kernel: [1692249.111185] schedule+0x5a/0xd0 2024-06-15T05:08:49.274970+02:00 nasl006b kernel: [1692249.111217] nfsd4_proc_compound+0x355/0x660 [nfsd] 2024-06-15T05:08:49.274972+02:00 nasl006b kernel: [1692249.111396] </TASK> 2024-06-15T10:35:35.362972+02:00 nasl006b kernel: [1711855.148748] br0: port 2(vethbOt89W) entered disabled state 2024-06-15T10:37:19.606937+02:00 nasl006b kernel: [1711959.393773] br0: port 7(vethEcftre) entered disabled state 2024-06-15T10:37:20.426956+02:00 nasl006b kernel: [1711960.210911] br0: port 7(vethEcftre) entered disabled state 2024-06-15T10:37:20.426966+02:00 nasl006b kernel: [1711960.210989] device vethEcftre left promiscuous mode 2024-06-15T10:37:20.426967+02:00 nasl006b kernel: [1711960.210996] br0: port 7(vethEcftre) entered disabled state 2024-06-15T10:37:31.750960+02:00 nasl006b kernel: [1711971.535013] br0: port 8(vethtaVw4v) entered disabled state 2024-06-15T10:37:31.750972+02:00 nasl006b kernel: [1711971.535143] device vethtaVw4v left promiscuous mode 2024-06-15T10:37:31.750974+02:00 nasl006b kernel: [1711971.535150] br0: port 8(vethtaVw4v) entered disabled state There was no such problem for Bullseye. Regards Harri
