Date: Mon, 17 Nov 2008 16:58:35 +0100 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: d@delphij.net Cc: FreeBSD Stable <freebsd-stable@freebsd.org>, Quake Lee <quakelee@geekcn.org> Subject: Re: ZFS crashes on heavy threaded environment Message-ID: <20081117155835.GC2101@garage.freebsd.pl> In-Reply-To: <491CE835.4050504@delphij.net> References: <491CE71F.2020208@delphij.net> <491CE835.4050504@delphij.net>
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--OROCMA9jn6tkzFBc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 13, 2008 at 06:53:41PM -0800, Xin LI wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > Xin LI wrote: > > Hi, Pawel, > >=20 > > We can still reproduce the ZFS crash (threading+heavy I/O load) on a > > fresh 7.1-STABLE build, in a few minutes: > >=20 > > /usr/local/bin/iozone -M -e -+u -T -t 128 -S 4096 -L 64 -r 4k -s 30g -i > > 0 -i 1 -i 2 -i 8 -+p 70 -C > >=20 > > I have included a backtrace output from my colleague who has his hands > > on the test environment. Should there is more information necessary > > please let us know and we wish to provide help on this. >=20 > Further datapoint. The system used to run with untuned loader.conf, and > my colleague just reported that with the following loader.conf, the > problem can be triggered sooner: >=20 > vm.kmem_size_max=3D838860800 > vm.kmem_size_scale=3D"2" >=20 > The system is running FreeBSD/amd64 7.1-PRERELEASE equipped with 8GB of > RAM with GENERIC kernel. With new ZFS I get: Memory allocation failed:: Cannot allocate memory Is this expected? --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --OROCMA9jn6tkzFBc Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFJIZSqForvXbEpPzQRAkT1AKDD/4FH7jqvcB6+FA1CoZorlaB2BQCfeVVl kMfwjVaTgb3KWzXzPKlVcG4= =1bhB -----END PGP SIGNATURE----- --OROCMA9jn6tkzFBc--
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