kern/51254: uvm assertion failed

[martin%NetBSD.org@localhost]

>Number:         51254
>Category:       kern
>Synopsis:       uvm assertion failed
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jun 18 14:40:01 +0000 2016
>Originator:     Martin Husemann
>Release:        NetBSD 7.99.30
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD thirdstage.duskware.de 7.99.30 NetBSD 7.99.30 (MODULAR) #523: Wed Jun 15 09:17:16 CEST 2016 martin%thirdstage.duskware.de@localhost:/usr/src/sys/arch/sparc64/compile/MODULAR sparc64
Architecture: sparc64
Machine: sparc64
>Description:

During a native build on sparc64 (pie + aslr enabled):

panic: kernel diagnostic assertion "!topdown || hint <= orig_hint" failed: file "../../../../uvm/uvm_map.c", line 2114 
db{0}> sh reg
tstate      1d000605
pc          10535e4     cpu_Debugger+0x4
npc         10535e8     cpu_Debugger+0x8
ipl         0
y           0
g0          0
g1          1
g2          48d1
g3          63061
g4          0
g5          0
g6          2f6173002d
g7          0
o0          18688d8     ostype+0x62958
o1          1ce6a40     scratchstr.12077
o2          18060d8     ostype+0x158
o3          1c6aaf918
o4          1ce6b40     pos.12064
o5          1c66c00     ipf_state_tuneables+0x78
o6          1c6aaef21
o7          1526f6c     vpanic+0x16c
l0          182e040     ostype+0x280c0
l3          1c6aaf918
l4          1ce6b40     pos.12064
l5          1ce6a40     scratchstr.12077
l6          1c6aaef21
l7          1526fe8     vpanic+0x1e8
i0          15
i1          1c6aafaf8
i2          ffffffffffffffff
i3          1c6aafaf8
i4          1c6aaf001
i5          156ed7c     namei+0x1c
i6          8b800
i7          0
db{0}> mach stack
Window 0 frame64 0x1c6aaf720 locals, ins:
0 104d6e0 0 0 0 0 0 ffffffff909148f0
18060d8 1c6aaf918 1ce5400 1ce6a40 1ce6800 104 1c6aaefd1=sp 1611a94=pc:netbsd:ker
n_assert+0x34
Window 1 frame64 0x1c6aaf7d0 locals, ins:
0 0 0 0 0 0 0 0
18060d8 1806110 1879af8 18794d8 842 40 1c6aaf091=sp 14ab3c8=pc:netbsd:uvm_map_fi
ndspace+0x388
Window 2 frame64 0x1c6aaf890 locals, ins:
0 501 1c6aaf9f8 40 ffffffff90916000 116c52190 0 0
116d744a0 40 2000 1c6aafab8 501 0 1c6aaf171=sp 14abad8=pc:netbsd:uvm_map_prepare
+0xf8
Window 3 frame64 0x1c6aaf970 locals, ins:
501 1 0 116c521b0 501 0 1c85c00 0
116c52190 116c521a8 2000 107e44950 0 0 1c6aaf231=sp 14abd54=pc:netbsd:uvm_map+0x
94
Window 4 frame64 0x1c6aafa30 locals, ins:
501 1c6aafaf0 101051 ffffffff90915340 ffffffff90915668 0 0 ffffffff909148f0
116c52190 1c6aafcd8 2000 107e44950 0 0 1c6aaf321=sp 14b0e0c=pc:netbsd:uvm_mmap.p
art.0+0x1ac
Window 5 frame64 0x1c6aafb20 locals, ins:
c 501 0 501 0 107e44950 0 ffffffff909148f0
116c52190 1c6aafcd8 2000 1 501 1 1c6aaf3f1=sp 14b1628=pc:netbsd:sys_mmap+0x2c8
Window 6 frame64 0x1c6aafbf0 locals, ins:
116d6d540 3 116e637c0 16 3 1c6aafccc 116c52190 0
116e94220 1000 1c6aafdd0 2000 0 0 1c6aaf4f1=sp 104dac4=pc:netbsd:syscall+0x3e4


>How-To-Repeat:
run build.sh ?

>Fix:
n/a