20210224 21:09:46 all (584/748): ifconfig.sh if_delmulti_locked: detaching ifnet instance 0xfffff8010c854000 Fatal trap 9: general protection fault while in kernel mode cpuid = 7; apic id = 07 instruction pointer = 0x20:0xffffffff80d46644 stack pointer = 0x28:0xfffffe06c886d760 frame pointer = 0x28:0xfffffe06c886d7b0 code segment = base rx0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 49513 (ifconfig) trap number = 9 panic: general protection fault cpuid = 7 time = 1614197413 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe06c886d470 vpanic() at vpanic+0x181/frame 0xfffffe06c886d4c0 panic() at panic+0x43/frame 0xfffffe06c886d520 trap_fatal() at trap_fatal+0x387/frame 0xfffffe06c886d580 trap() at trap+0xa4/frame 0xfffffe06c886d690 calltrap() at calltrap+0x8/frame 0xfffffe06c886d690 --- trap 0x9, rip = 0xffffffff80d46644, rsp = 0xfffffe06c886d760, rbp = 0xfffffe06c886d7b0 --- vlan_ioctl() at vlan_ioctl+0x104/frame 0xfffffe06c886d7b0 ifhwioctl() at ifhwioctl+0x2f6/frame 0xfffffe06c886d8b0 ifioctl() at ifioctl+0x37f/frame 0xfffffe06c886d980 kern_ioctl() at kern_ioctl+0x289/frame 0xfffffe06c886d9f0 sys_ioctl() at sys_ioctl+0x12a/frame 0xfffffe06c886dac0 amd64_syscall() at amd64_syscall+0x147/frame 0xfffffe06c886dbf0 Details @ https://people.freebsd.org/~pho/stress/log/log0055.txt
Not able to reproduce this any more