panic: vtopde on a uva/gpa 0x1030000 @r325228 (amd64)

[Konstantin Belousov]

On Tue, Oct 31, 2017 at 04:37:10AM -0700, David Wolfskill wrote:
> Performed the usual src update in head/amd64; today was from r325137 to
> r325228.  Laptop had no complaints; everything Just Worked (as usual).
> 

> GEOM: new disk da1
> panic: vtopde on a uva/gpa 0x1030000
> cpuid = 5
> time = 1509448749
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe07c77a8880
> vpanic() at vpanic+0x19c/frame 0xfffffe07c77a8900
> kassert_panic() at kassert_panic+0x126/frame 0xfffffe07c77a8970
> pmap_kextract() at pmap_kextract+0x121/frame 0xfffffe07c77a89a0
> free() at free+0x5e/frame 0xfffffe07c77a89e0
> g_slice_orphan() at g_slice_orphan+0x7e/frame 0xfffffe07c77a8a00
> g_spoil_event() at g_spoil_event+0x72/frame 0xfffffe07c77a8a30
> g_run_events() at g_run_events+0x231/frame 0xfffffe07c77a8a70
> fork_exit() at fork_exit+0x84/frame 0xfffffe07c77a8ab0
> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe07c77a8ab0
> --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
> KDB: enter: panic
> [ thread pid 13 tid 100044 ]
> Stopped at      kdb_enter+0x3b: movq    $0,kdb_why
> db> 

Try to revert r325227.