vmcore.4

[Elliot Finley]

my system panicked and I got a /var/crash/vmcore.4 file.  The corresponding
info.4 file is:

postmaster root:/var/crash#>less info.4
Dump header from device /dev/ar0s1b
  Architecture: i386
  Architecture Version: 16777216
  Dump Length: 2146631680B (2047 MB)
  Blocksize: 512
  Dumptime: Sat Sep  3 14:15:04 2005
  Hostname: postmaster.etv.net
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 5.4-RELEASE-p3 #4: Fri Jul  1 00:22:45 MDT 2005
    root at postmaster.etv.net:/usr/obj/usr/src/sys/GENERIC
  Panic String: kmem_malloc(4096): kmem_map too small: 335544320 total
allocated
  Dump Parity: 290305146
  Bounds: 4
  Dump Status: good

Is there some sysctl that I can tweak to keep this from happening?  Or is
this a bug?

TIA

Elliot