On Fri, May 26, 2006 at 01:26:24PM +0300, Iasen Kostov wrote: > On Thu, 2006-05-25 at 16:54 -0400, Kris Kennaway wrote: > > On Thu, May 25, 2006 at 06:01:30PM +0200, Arno J. Klaassen wrote: > > > Hello, > > > > > > I get a very easy to reproduce panic on 6.1-STABLE : > > > > > > /etc/periodic/weekly/310.locate panics with > > > > > > panic: kmem_malloc(4096): kmem_map too small: 335544320 total allocated > > > > It looks like you are using a malloc-backed md and you do not have > > enough RAM to handle the size. Perhaps tmpmfs does not use swap > > backing, as it is supposed to? > > > > Kris > > First of all if there is not enough kmem (not just plain ram I think) > kernel should not allow disk creation in first place, second - I think > (although there could be some ... reason for that) it's stupid way to > say "I don't have more kmem" by panicing :). Better way will be just to > fail disk operation of that FS with "Disk is full" or something like > that. At home I tried to raise kmem like that: > "vm.kmem_size_max="1073741824" (I got 2G of RAM) > (setting vm.kmem_size directly panices kernel at boot if I remember > correctly). > > but for my surprise kernel panices at exact same allocated md disk space > with the same panic as the original poster's. Is it possible that I > should rise KVA_PAGES too ? And I don't think its documented anywhere > (of course I've tried googling and it's always possible that I've missed > something :). All this was on FreeBSD 6.0.
It's documented in the mdconfig manpage including how to make it not panic. Kris
pgpOQwYT9GcFZ.pgp
Description: PGP signature
