Bharma Ji wrote:
In FreeBSD 6_2, if kmem_malloc is unable to find space it panics. The
relevant code is in vm_kern.c
if ((flags & M_NOWAIT) == 0)
panic("kmem_malloc(%ld): kmem_map too small: %ld
total allocated",
(long)size, (long)map->size);
Is there any way to make the system log and then gracefully shut off instead
of panicking?
Not really, because those actions require memory allocation. The real
fix is to either
a) avoid running out of memory in the first place by tuning vm.kmem_size
b) perhaps trying harder to avoid panicking by first trying to more
aggressively reclaim memory.
You can try
http://www.freebsd.org/~pjd/patches/vm_kern.c.2.patch
which implements b) (patch against 7.0, but might apply to 6.2 unchanged).
Kris
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