Date: Thu, 25 Oct 2007 19:20:39 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Attila Nagy <bra@fsn.hu> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS and disk naming change (ex. da0->da4) Message-ID: <20071025172039.GA5172@garage.freebsd.pl> In-Reply-To: <4720C8C5.2040909@fsn.hu> References: <471F5B46.9050106@fsn.hu> <20071024155723.GA1431@garage.freebsd.pl> <47208FC8.7060203@fsn.hu> <20071025151004.GA4511@garage.freebsd.pl> <4720C8C5.2040909@fsn.hu>
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--UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 25, 2007 at 06:48:05PM +0200, Attila Nagy wrote: > On 10/25/07 17:10, Pawel Jakub Dawidek wrote: > >>panic: kmem_malloc(131072): kmem_map too small: 335319040 total allocat= ed > >>cpuid =3D 0 > >>Uptime: 18m22s > >>Physical memory: 1015 MB > >>Dumping 372 MB: 357 341 325 309 293 277 261 245 229 213 197 181 165 149= =20 > >>133 117 101 85 69 53 37 21 5 > >> > >>#0 doadump () at pcpu.h:195 > >>195 __asm __volatile("movl %%fs:0,%0" : "=3Dr" (td)); > >> > >>I've tried to lower vfs.zfs.arc_max first to 32, then 16 MB, but the=20 > >>panics still occur. > >> =20 > > > >Have you tried the patch I posted some weeks ago? > > > > http://people.freebsd.org/~pjd/patches/vm_kern.c.2.patch > > =20 > Umm, no, not until now. >=20 > The result is the same: > Unread portion of the kernel message buffer: > panic: kmem_malloc(131072): kmem_map too small: 335331328 total allocated > cpuid =3D 0 > Uptime: 15m25s > Physical memory: 1015 MB > Dumping 371 MB: 356 340 324 308 292 276 260 244 228 212 196 180 164 148= =20 > 132 116 100 84 68 52 36 20 4 >=20 > #0 doadump () at pcpu.h:195 > 195 __asm __volatile("movl %%fs:0,%0" : "=3Dr" (td)); >=20 > This is with the default settings, so: > vm.kmem_size_max: 335544320 > vm.kmem_size: 335544320 One more thing. Can you add: vm.kmem_size=3D629145600 vm.kmem_size_max=3D629145600 to your /boot/loader.conf, but don't touch any other settings (ie. don't tune maximum number of vnodes, ARC size, etc.), let ZFS to autotune them. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --UlVJffcvxoiEqYs2 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHINBnForvXbEpPzQRAkevAJ9FnmxIrE2MjKmBNsQu0qx8Mrp75gCg0300 keyTuXHJxz+qJ1s54tqRWvE= =pxUn -----END PGP SIGNATURE----- --UlVJffcvxoiEqYs2--
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