TZUTC: -0800
MSGID: 59100.sync_sys@1:103/705 2dbb0047
PID: Synchronet 3.21a-Linux master/48922a15c Dec 17 2025 GCC 12.2.0
TID: SBBSecho 3.34-Linux master/8bb133aa7 Dec 30 2025 GCC 12.2.0
BBSID: VERT
CHRS: ASCII 1
FORMAT: flowed
open https://gitlab.synchro.net/main/sbbs/-/issues/1038

Spotted this error in the error.log file:

Mon Dec 29 15:16:29 2025 master/beb7e64da
term Node 4 !!!! Failed to destroy input_thread_mutex, system is unstable

Here is the relevant logfile as requested by DM:

https://pastebin.com/nc3DzNys
--- SBBSecho 3.34-Linux
 * Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)
SEEN-BY: 103/13 705 105/81 106/201 124/5016 128/187 129/14 153/757
SEEN-BY: 153/7715 154/10 30 110 203/0 218/700 221/0 226/30 227/114
SEEN-BY: 229/110 112 134 206 317 400 426 428 470 700 705 240/1120
SEEN-BY: 240/5832 263/1 266/512 280/464 5003 5006 291/111 292/8125
SEEN-BY: 301/1 320/219 322/757 341/66 234 342/200 396/45 423/120 460/58
SEEN-BY: 633/267 280 384 410 414 418 420 422 2744 712/848 770/1 902/26
SEEN-BY: 5020/400 5075/35
PATH: 103/705 280/464 633/280 229/426