kernel: sonewconn: pcb 0xfffff8002b255a00 (local:/var/run/devd.seqpacket.pipe): Listen queue overflow: 1 already in queue awaiting acceptance (60 occurrences), …

[Graham Perrin]

Please, what's the meaning of the sonewconn lines?


% tail -f -n 0 /var/log/messages

Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: lock order reversal:

0, jail 0

d 0, jail 0

d 0, jail 0

d 0, jail 0
^C
% sudo sysctl kern.sched.pick_short=1
grahamperrin's password:
kern.sched.pick_short: 0 -> 1
% sudo sysctl kern.sched.preempt_thresh=224
kern.sched.preempt_thresh: 48 -> 224
% uptime
6:23a.m.  up  2:24, 7 users, load averages: 0.78, 1.24, 1.34
% uname -aKU

ERIC amd64 1400090 1400090
%

Jun 20 04:08:41 mowa219-gjp4-8570p-freebsd su[4159]: grahamperrin to root on /dev/pts/6 Jun 20 04:12:20 mowa219-gjp4-8570p-freebsd apps.plugin[3178]: Cannot fetch process 4501 command line (command 'sysctl') Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel:  1st 0xfffffe0103db30e0 filedesc structure (filedesc structure, sx) @ /usr/src/sys/kern/kern_descrip.c:1397 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel:  2nd 0xfffff80001df8930 devfs (devfs, lockmgr) @ /usr/src/sys/kern/vfs_subr.c:6244 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: lock order filedesc structure -> devfs attempted at: Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #0 0xffffffff80bc4573 at witness_checkorder+0xbb3 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #1 0xffffffff80b21265 at lockmgr_xlock+0x55 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #2 0xffffffff80c5e4b4 at _vn_lock+0x54 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #3 0xffffffff80afd13b at knlist_remove_kq+0x8b Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #4 0xffffffff80c517d4 at filt_vfsdetach+0x24 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #5 0xffffffff80afdad0 at knote_fdclose+0x180 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #6 0xffffffff80af4f2c at closefp_impl+0x9c Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #7 0xffffffff8104d8e0 at amd64_syscall+0x140 Jun 20 04:30:25 mowa219-gjp4-8570p-freebsd kernel: #8 0xffffffff81020b3b at fast_syscall_common+0xf8 Jun 20 04:34:26 mowa219-gjp4-8570p-freebsd apps.plugin[3178]: heartbeat clock: woke up 1346787 microseconds later than expected (can be due to system load or the CLOCK_REALTIME set to the future). Jun 20 04:35:38 mowa219-gjp4-8570p-freebsd apps.plugin[3178]: Cannot fetch process 6471 command line (command 'sysctl') Jun 20 04:55:30 mowa219-gjp4-8570p-freebsd apps.plugin[3178]: Cannot fetch process 7697 command line (command 'sysctl') Jun 20 05:07:16 mowa219-gjp4-8570p-freebsd apps.plugin[3178]: Cannot fetch process 8416 command line (command 'sysctl') Jun 20 05:17:42 mowa219-gjp4-8570p-freebsd kernel: sonewconn: pcb 0xfffff8002b255a00 (local:/var/run/devd.seqpacket.pipe): Listen queue overflow: 1 already in queue awaiting acceptance (1 occurrences), euid 0, rgid Jun 20 05:18:42 mowa219-gjp4-8570p-freebsd kernel: sonewconn: pcb 0xfffff8002b255a00 (local:/var/run/devd.seqpacket.pipe): Listen queue overflow: 1 already in queue awaiting acceptance (60 occurrences), euid 0, rgi Jun 20 05:18:56 mowa219-gjp4-8570p-freebsd apps.plugin[3178]: Cannot fetch process 9359 command line (command 'git') Jun 20 05:19:42 mowa219-gjp4-8570p-freebsd kernel: sonewconn: pcb 0xfffff8002b255a00 (local:/var/run/devd.seqpacket.pipe): Listen queue overflow: 1 already in queue awaiting acceptance (60 occurrences), euid 0, rgi Jun 20 05:20:03 mowa219-gjp4-8570p-freebsd apps.plugin[3178]: Cannot fetch process 9602 command line (command 'cat') Jun 20 05:20:43 mowa219-gjp4-8570p-freebsd kernel: sonewconn: pcb 0xfffff8002b255a00 (local:/var/run/devd.seqpacket.pipe): Listen queue overflow: 1 already in queue awaiting acceptance (60 occurrences), euid 0, rgi FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #7 main-n263630-ab3e6234ab6e-dirty: Sun Jun 18 14:56:48 BST 2023 grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GEN

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