[Bug 223768] pmspcv panics at boot

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223768

--- Comment #1 from Dirk Meyer <dinoex at FreeBSD.org> ---
not a regression compared to FreeBSD 10.3.

instant panic when laoding the driver with:
$ kldload pmspcv

pmspcv0: <Adaptec Hialeah 4/8 Port SAS-SATA HBA Card 6Gig> mem
0xdc260000-0xdc26ffff,0xdc250000-0xdc25ffff,0xdc240000-0xdc24ffff,0xdc200000-0xdc23ffff
irq 16 at device 0.0 on pci7


Fatal trap 12: page fault while in kernel mode
cpuid = 3; apic id = 06
fault virtual address   = 0x90
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff81cf5451
stack pointer           = 0x28:0xfffffe085f0db980
frame pointer           = 0x28:0xfffffe085f0db9b0
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 12 (irq276: pmspcv0)
trap number             = 12
panic: page fault
cpuid = 3
KDB: stack backtrace:
#0 0xffffffff8098ead0 at kdb_backtrace+0x60
#1 0xffffffff809517a6 at vpanic+0x126
#2 0xffffffff80951673 at panic+0x43
#3 0xffffffff80d5685b at trap_fatal+0x36b
#4 0xffffffff80d56b5d at trap_pfault+0x2ed
#5 0xffffffff80d561da at trap+0x47a
#6 0xffffffff80d3c1a2 at calltrap+0x8
#7 0xffffffff81ce3c32 at agtiapi_IntrHandlerx_+0x52
#8 0xffffffff8091ceeb at intr_event_execute_handlers+0xab
#9 0xffffffff8091d336 at ithread_loop+0x96
#10 0xffffffff8091aa3a at fork_exit+0x9a
#11 0xffffffff80d3c6de at fork_trampoline+0xe
Uptime: 5m54s

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