Date: Thu, 04 Jun 2009 20:28:32 +0200 From: Angelo Turetta <aturetta@commit.it> To: Tim Chase <tim@chase2k.com> Cc: freebsd-stable@FreeBSD.org Subject: Re: kmem map too small panic after updating to STABLE-7 r192996 Message-ID: <4A281250.5050306@commit.it> In-Reply-To: <alpine.LFD.2.00.0906040932280.27799@localhost.localdomain> References: <alpine.LFD.2.00.0906040932280.27799@localhost.localdomain>
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Tim Chase wrote: > Hello, > > I decided to give the new zfs code a try and upgraded my stable-7 system > and discovered a panic that I can reproduce at will. I just had the same problem, and it turned out I was not diligent when I first set my zfs pool up :) To use vm.kmem_size="512M" you need to put options KVA_PAGES=512 in your kernel. I remember trying the loader.conf settings on a GENERIC kernel, found it worked and forgot to add KVA_PAGES. It seems that recently the memory allocated by a ZFS kernel on startup has become larger than the default KVA_PAGES in GENERIC. Hope this helps, Angelo Turetta
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