Date: Fri, 21 Sep 2007 10:13:43 -0600 From: Scott Long <scottl@samsco.org> To: Larry Rosenman <ler@lerctr.org> Cc: freebsd-current@freebsd.org Subject: Re: panic: kmem_malloc(131072): kmem_map too small (AMD64) Message-ID: <46F3EDB7.4060502@samsco.org> In-Reply-To: <20070921102946.T11189@borg> References: <20070921102946.T11189@borg>
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Larry Rosenman wrote: > I'm a heavy ZFS user, and got the following panic on 2007-09-18 > source/world: > [...] > > I have the core available, and am more than willing to give access to > the box. > > I'm not sure exactly what may have triggered it, but this is the first > ZFS panic I've seen. > > > I bet this is probably due to the recent change to the way small memory allocations are accounted for. Nothing has actually changed in memory usage, it's just that it's being counted much more accurately now. I had forgotten that there was such a low limit on the KMEM_MAP size on amd64. I think it should probably be raised significantly for the release (assuming that doing so doesn't screw up auto-sizing other maps). Scott
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