[Bug 255393] panic: vm_fault_lookup: fault on nofault wntry, addr: 0xccf4000

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255393

--- Comment #1 from Dennis Clarke <dclarke at blastwave.org> ---
Some essential information : 

esther# uname -apKU 
FreeBSD esther 13.0-RELEASE FreeBSD 13.0-RELEASE #0
releng/13.0-n244733-ea31abc261f: Fri Apr  9 04:04:45 UTC 2021    
root at releng1.nyi.freebsd.org:/usr/obj/usr/src/i386.i386/sys/GENERIC  i386 i386
1300139 1300139
esther#

esther# ls -lap /var/crash/
total 670680
drwxr-x---   2 root  wheel        512 Apr 25 14:19 ./
drwxr-xr-x  24 root  wheel        512 Apr 25 14:18 ../
-rw-r--r--   1 root  wheel          2 Apr 25 14:18 bounds
-rw-r--r--   1 root  wheel         84 Apr 21 21:57 core.txt.0
-rw-r--r--   1 root  wheel         84 Apr 22 04:36 core.txt.1
-rw-r--r--   1 root  wheel         84 Apr 25 13:04 core.txt.2
-rw-r--r--   1 root  wheel         84 Apr 25 13:42 core.txt.3
-rw-r--r--   1 root  wheel         84 Apr 25 14:19 core.txt.4
-rw-------   1 root  wheel        492 Apr 21 21:57 info.0
-rw-------   1 root  wheel        539 Apr 22 04:36 info.1
-rw-------   1 root  wheel        539 Apr 25 13:04 info.2
-rw-------   1 root  wheel        539 Apr 25 13:42 info.3
-rw-------   1 root  wheel        539 Apr 25 14:18 info.4
lrwxr-xr-x   1 root  wheel          6 Apr 25 14:19 info.last -> info.4
-rw-r--r--   1 root  wheel          5 Apr  9 06:10 minfree
-rw-------   1 root  wheel  140509184 Apr 21 21:57 vmcore.0
-rw-------   1 root  wheel  148008960 Apr 22 04:36 vmcore.1
-rw-------   1 root  wheel  133922816 Apr 25 13:04 vmcore.2
-rw-------   1 root  wheel  149864448 Apr 25 13:42 vmcore.3
-rw-------   1 root  wheel  149782528 Apr 25 14:19 vmcore.4
lrwxr-xr-x   1 root  wheel          8 Apr 25 14:19 vmcore.last -> vmcore.4
esther#


esther#
esther# cat /var/crash/core.txt.3
Unable to find a kernel debugger.
Please install the devel/gdb port or gdb package.
esther#
esther# cat /var/crash/info.3
Dump header from device: /dev/ada0p3
  Architecture: i386
  Architecture Version: 2
  Dump Length: 149864448
  Blocksize: 512
  Compression: none
  Dumptime: 2021-04-25 13:31:41 +0000
  Hostname: esther
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 13.0-RELEASE #0 releng/13.0-n244733-ea31abc261f: Fri
Apr  9 04:04:45 UTC 2021
    root at releng1.nyi.freebsd.org:/usr/obj/usr/src/i386.i386/sys/GENERIC
  Panic String: vm_fault_lookup: fault on nofault entry, addr: 0xccf4000
  Dump Parity: 1543995479
  Bounds: 3
  Dump Status: good
esther#

I am trying to get the vmcore file now.

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