SCHED_ULE used. I have textdump only. Interesting parts:
<118>Starting syslogd.
kernel trap 9 with interrupts disabled
Fatal trap 9: general protection fault while in kernel mode
cpuid = 7; apic id = 07
instruction pointer = 0x20:0xffffffff806b2585
stack pointer = 0x28:0xfffffe022ccce8d0
frame pointer = 0x28:0xfffffe022ccce950
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 10 (idle: cpu7)
It happens at amd64/amd64/cpu_switch.S:ld_ldt: lldt %ax
db> bt
Tracing pid 10 tid 100009 td 0xfffff80002292000
ld_ldt() at ld_ldt/frame 0xfffffe022ccce8e0
sched_switch() at sched_switch+0x51d/frame 0xfffffe022ccce950
mi_switch() at mi_switch+0x156/frame 0xfffffe022ccce980
sched_idletd() at sched_idletd+0xf9/frame 0xfffffe022cccea70
fork_exit() at fork_exit+0x84/frame 0xfffffe022ccceab0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe022ccceab0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
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