vmcore.4

[Kris Kennaway]

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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