vmcore.4
Kris Kennaway
kris at obsecurity.org
Fri Sep 16 08:20:41 PDT 2005
On Fri, Sep 16, 2005 at 09:10:15AM -0600, Elliot Finley wrote:
> 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?
See a recent post I made to stable that explains how to tune your
kernel to fix this (you're running it out of memory).
Kris
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