https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220923

--- Comment #4 from Cata Lin <cata...@xsh.ro> ---
os version : 

FreeBSD hyperyon 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r321309: Fri Jul 21
02:08:28 UTC 2017     r...@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC
 amd64

log 

cd0: <NECVMWar VMware SATA CD00 1.00> Removable CD-ROM SCSI device
kernel trap 12 with interrupts disabled


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x11c
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff808eac3a
stack pointer           = 0x28:0xfffffe011af73f80
frame pointer           = 0x28:0xfffffe011af73fd0
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         = 4 (doneq1)
trap number             = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff80aada97 at kdb_backtrace+0x67
#1 0xffffffff80a6bb76 at vpanic+0x186
#2 0xffffffff80a6b9e3 at panic+0x43
#3 0xffffffff80edf832 at trap_fatal+0x322
#4 0xffffffff80edf889 at trap_pfault+0x49
#5 0xffffffff80edf0c6 at trap+0x286
#6 0xffffffff80ec3641 at calltrap+0x8
#7 0xffffffff808f26d8 at vt_flush+0x398
#8 0xffffffff80ac09cf at termcn_cnputc+0xff
#9 0xffffffff80a100ed at cnputc+0x7d
#10 0xffffffff80a103f8 at cnputs+0xb8
#11 0xffffffff80ab36ad at putchar+0x14d
#12 0xffffffff80ab323d at kvprintf+0x103d
#13 0xffffffff80ab3ea7 at vprintf+0x87
#14 0xffffffff80ab3e13 at printf+0x43
#15 0xffffffff80322e24 at scsi_print_inquiry+0x144
#16 0xffffffff80307c9e at xpt_announce_periph+0xae
#17 0xffffffff8032e089 at cddone+0x249
Uptime: 3s

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