[Bug 234296] FreeBSD 12.0-STABLE r342216 Fatal trap 12

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234296

--- Comment #1 from Victor <chernov_victor at list.ru> ---
updated to 12.0-STABLE r342388 with CFLAGS= -O0 -pipe build options. The
situation has not changed

panic: page fault

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Unread portion of the kernel message buffer:
kernel trap 12 with interrupts disabled


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x0
fault code              = supervisor write data, page not present
instruction pointer     = 0x20:0xffffffff805dd328
stack pointer           = 0x28:0xfffffe0075d5a850
frame pointer           = 0x28:0xfffffe0075d5a8c0
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         = 11 (idle: cpu0)
trap number             = 12
panic: page fault
cpuid = 0
time = 1545716928
KDB: stack backtrace:
#0 0xffffffff8060beb7 at kdb_backtrace+0x67
#1 0xffffffff805c3963 at vpanic+0x1a3
#2 0xffffffff805c37b3 at panic+0x43
#3 0xffffffff808e321f at trap_fatal+0x35f
#4 0xffffffff808e3279 at trap_pfault+0x49
#5 0xffffffff808e28be at trap+0x29e
#6 0xffffffff808bfc15 at calltrap+0x8
#7 0xffffffff80918c28 at handleevents+0x1a8
#8 0xffffffff80919299 at timercb+0xa9
#9 0xffffffff809541dd at lapic_handle_timer+0xad
#10 0xffffffff808c171e at Xtimerint+0xae
#11 0xffffffff8094acff at cpu_idle_acpi+0x3f
#12 0xffffffff8094adb7 at cpu_idle+0xa7
#13 0xffffffff805f6125 at sched_idletd+0x515
#14 0xffffffff8058c673 at fork_exit+0x83
#15 0xffffffff808c0bfe at fork_trampoline+0xe
Uptime: 5h53m46s

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