[cfarm-users] cfarm427 and cfarm430 crashing

Wed Jun 18 16:05:17 CEST 2025

Hi!

I've noticed that cfarm427 and cfarm430 (both FreeBSD) have crashed 
(kernel panic) 2~3 times this month. Anyone has any idea why this 
happens?

logs from cfarm430:

/var/log/messages
-----------8<------cut-here------8<---------
Jun 17 12:45:49 cfarm430 kernel: Security policy loaded: MAC/ntpd 
(mac_ntpd)
Jun 18 13:13:34 cfarm430 syslogd: kernel boot file is 
/boot/kernel/kernel
Jun 18 13:13:34 cfarm430 kernel: panic: tcp_do_segment: sent too much
Jun 18 13:13:34 cfarm430 kernel: cpuid = 13
Jun 18 13:13:34 cfarm430 kernel: time = 1750214211
Jun 18 13:13:34 cfarm430 kernel: KDB: stack backtrace:
Jun 18 13:13:34 cfarm430 kernel: db_trace_self_wrapper() at 
db_trace_self_wrapper+0x2b/frame 0xfffffe010d0a06d0
Jun 18 13:13:34 cfarm430 kernel: vpanic() at vpanic+0x13f/frame 
0xfffffe010d0a0800
Jun 18 13:13:34 cfarm430 kernel: panic() at panic+0x43/frame 
0xfffffe010d0a0860
Jun 18 13:13:34 cfarm430 kernel: tcp_do_segment() at 
tcp_do_segment+0x29a2/frame 0xfffffe010d0a0940
Jun 18 13:13:34 cfarm430 kernel: tcp_input_with_port() at 
tcp_input_with_port+0x10e5/frame 0xfffffe010d0a0a90
Jun 18 13:13:34 cfarm430 kernel: tcp6_input_with_port() at 
tcp6_input_with_port+0x6a/frame 0xfffffe010d0a0ac0
Jun 18 13:13:34 cfarm430 kernel: tcp6_input() at tcp6_input+0xb/frame 
0xfffffe010d0a0ad0
Jun 18 13:13:34 cfarm430 kernel: ip6_input() at ip6_input+0xc70/frame 
0xfffffe010d0a0bb0
Jun 18 13:13:34 cfarm430 kernel: netisr_dispatch_src() at 
netisr_dispatch_src+0xad/frame 0xfffffe010d0a0c10
Jun 18 13:13:34 cfarm430 kernel: ether_demux() at 
ether_demux+0x16a/frame 0xfffffe010d0a0c40
Jun 18 13:13:34 cfarm430 kernel: ether_nh_input() at 
ether_nh_input+0x3cd/frame 0xfffffe010d0a0c90
Jun 18 13:13:34 cfarm430 kernel: netisr_dispatch_src() at 
netisr_dispatch_src+0xad/frame 0xfffffe010d0a0cf0
Jun 18 13:13:34 cfarm430 kernel: ether_input() at ether_input+0xe5/frame 
0xfffffe010d0a0d50
Jun 18 13:13:34 cfarm430 kernel: vtnet_rxq_eof() at 
vtnet_rxq_eof+0x75a/frame 0xfffffe010d0a0e20
Jun 18 13:13:34 cfarm430 kernel: vtnet_rx_vq_process() at 
vtnet_rx_vq_process+0x9c/frame 0xfffffe010d0a0e60
Jun 18 13:13:34 cfarm430 kernel: ithread_loop() at 
ithread_loop+0x266/frame 0xfffffe010d0a0ef0
Jun 18 13:13:34 cfarm430 kernel: fork_exit() at fork_exit+0x82/frame 
0xfffffe010d0a0f30
Jun 18 13:13:34 cfarm430 kernel: fork_trampoline() at 
fork_trampoline+0xe/frame 0xfffffe010d0a0f30
Jun 18 13:13:34 cfarm430 kernel: --- trap 0, rip = 0, rsp = 0, rbp = 0 
---
Jun 18 13:13:34 cfarm430 kernel: KDB: enter: panic
Jun 18 13:13:34 cfarm430 kernel: ---<<BOOT>>---
-----------8<------cut-here------8<---------

/var/log/dmesg.today
-----------8<------cut-here------8<---------
pid 42287 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 43607 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 56105 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 57606 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 69168 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 82918 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 84421 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 96792 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 98101 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 9809 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 11608 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 23743 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 25052 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
Limiting ICMPv6 destination unreachable output from 245 to 94 
packets/sec
Limiting ICMPv6 destination unreachable output from 162 to 94 
packets/sec
Limiting icmp unreach response from 1138 to 198 packets/sec
Limiting ICMPv6 destination unreachable output from 3374 to 103 
packets/sec
pid 48526 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 61585 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 75409 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 89261 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 90770 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 2416 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 3718 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 16203 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 17701 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 30006 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 43025 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 44672 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 56869 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 58154 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 70561 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 72254 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 84515 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 85820 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 25774 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 27463 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 39359 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 41007 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 52957 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 66167 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 79397 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 93006 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 94508 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 6586 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 8249 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 19764 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 21624 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 32925 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 46496 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 60059 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 62043 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 73647 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 75283 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 86492 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 5901 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 7267 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 18961 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 20959 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 32790 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 46573 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 59646 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 73505 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 75059 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 87368 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 88760 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 481 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 2778 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 14307 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 28039 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 29531 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 41153 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 43191 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 54837 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 56584 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
pid 68777 (theapthread), jid 0, uid 61083, was killed: exceeded maximum 
CPU limit
pid 70078 (tissurrogatepair2), jid 0, uid 61083, was killed: exceeded 
maximum CPU limit
-----------8<------cut-here------8<---------

>>>>>>>>>>> 

Also a tiny personal news/announcement: effective Jun 6, my legal name 
has been changed, because I'm now a naturalized Japanese citizen. "Jing 
Luo", my birth name, is a compatibility symlink and is deprecated and 
unsupported; please migrate to "Lucas Yasuda" or shorten to "Luke" if 
you are in a hurry.

>>>>>>>>>>> 

Cheers,

-- 
Luke Yasuda
About me: https://jing.rocks/about/
GPG Fingerprint: 4E09 8D19 00AA 3F72 1899 2614 09B3 316E 13A1 1EFC
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