Re: kern/51254: uvm assertion failed

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR kern/51254; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/51254: uvm assertion failed
Date: Tue, 22 Nov 2016 13:52:51 +0100

 I enhanced the KASSERTMSG and got this:
 
 kernel diagnostic assertion "!topdown || hint <= orig_hint" failed: file "../../../../uvm/uvm_map.c", line 2118 hint: fffffffff7ffc000, orig_hint: ffffffff91d16000, map: 0x105098d00, uobj: 0x1049182a0, uoffset: 0, align: 0, flags: 501
 db{1}> show map 0x105098d00
 MAP 0x105098d00: [0x2000->0xffffffffffffffff]
         #ent=11, sz=128155648, ref=1, version=15, flags=0x41
         pmap=0x10509e140(resident=25, wired=0)
 db{1}> show map /f 0x105098d00
 MAP 0x105098d00: [0x2000->0xffffffffffffffff]
         #ent=11, sz=128155648, ref=1, version=15, flags=0x41
         pmap=0x10509e140(resident=25, wired=0)
  - 0x105c46b80: 0x82f06000->0x82f36000: obj=0x10895c6d0/0, amap=0x0/0
         submap=F, cow=T, nc=T, prot(max)=5/7, inh=1, wc=0, adv=0
  - 0x107506540: 0x83036000->0x8303a000: obj=0x10895c6d0/0x30000, amap=0x10650e56
 0/0
         submap=F, cow=T, nc=F, prot(max)=7/7, inh=1, wc=0, adv=0
  - 0x1102df2a0: 0x8303a000->0x8303c000: obj=0x0/0, amap=0x1070f9420/0
         submap=F, cow=T, nc=F, prot(max)=7/7, inh=1, wc=0, adv=0
  - 0x105898630: 0x8303c000->0x8303e000: obj=0x0/0, amap=0x0/0
         submap=F, cow=T, nc=T, prot(max)=7/7, inh=1, wc=0, adv=0
  - 0x107506f60: 0xffffffff91bf8000->0xffffffff91c00000: obj=0x0/0, amap=0x1105f1
 e70/0
         submap=F, cow=T, nc=F, prot(max)=3/7, inh=1, wc=0, adv=0
  - 0x105c6a750: 0xffffffff91c00000->0xffffffff91c14000: obj=0x10898eff0/0, amap=
 0x0/0
         submap=F, cow=T, nc=T, prot(max)=5/7, inh=1, wc=0, adv=0
  - 0x107168130: 0xffffffff91c14000->0xffffffff91d14000: obj=0x0/0, amap=0x0/0
         submap=F, cow=T, nc=T, prot(max)=0/7, inh=1, wc=0, adv=0
  - 0x10fe43ba0: 0xffffffff91d14000->0xffffffff91d16000: obj=0x0/0, amap=0x105296
 3e0/0
         submap=F, cow=T, nc=F, prot(max)=3/7, inh=1, wc=0, adv=0
  - 0x107507aa0: 0xfffffffff7ffe000->0xffffffffff6e0000: obj=0x0/0, amap=0x0/0
         submap=F, cow=T, nc=T, prot(max)=0/7, inh=1, wc=0, adv=0
  - 0x1059c64b0: 0xffffffffff6e0000->0xffffffffff8c0000: obj=0x0/0, amap=0x0/0
         submap=F, cow=T, nc=T, prot(max)=3/7, inh=1, wc=0, adv=0
  - 0x1102dfb10: 0xffffffffff8c0000->0xffffffffff8e0000: obj=0x0/0, amap=0x10650e
 380/0      
         submap=F, cow=T, nc=F, prot(max)=3/7, inh=1, wc=0, adv=0