Date: Sun, 29 Feb 2004 16:17:31 -0500 From: Don Bowman <don@sandvine.com> To: 'Deepak Jain' <deepak@ai.net>, Don Bowman <don@sandvine.com>, freebsd-hackers@freebsd.org Subject: RE: 4.9 boot problem on em0 platform. Message-ID: <FE045D4D9F7AED4CBFF1B3B813C85337045D8326@mail.sandvine.com>
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From: Deepak Jain [mailto:deepak@ai.net] > > Just a guess, but i think you've bumped nmbclusters or nmbufs up > > too much (or perhaps maxsockets, maxfds, ...) and have run out of > > KVA. > > > > You can tune clusters & mbufs in loader.conf without recompiling > > kernel. You will want to see what vm.zone_kmem_pages, > vm.zone_kmem_kvaspace > > are showing you, vmstat -z, vmstat -m, etc. > > > > You may want to alter VM_KMEM_SIZE_SCALE to e.g. '2' if you are > > trying to put more into the kernel mem space. > > > > The kernel that works from another machine has the same settings > (NMBCLUSTERS=65536, maxusers=512). The machine has 2GB of RAM. > > How do you undo the loader.conf settings when the machine won't boot > because of the settings you made? :| Use 'space' to get to the 'ok' loader prompt. now 'set' the values to a lower #... ok set path.path.path=value man loader will tell you about this.
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