Date: Wed, 10 Mar 2010 13:56:39 +0100 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Borja Marcos <borjam@sarenet.es> Cc: freebsd-fs@freebsd.org, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Many processes stuck in zfs Message-ID: <20100310125639.GB1715@garage.freebsd.pl> In-Reply-To: <E31E46B1-0FDC-4C6A-AD47-9B78D54790EC@sarenet.es> References: <864468D4-DCE9-493B-9280-00E5FAB2A05C@lassitu.de> <20100309122954.GE3155@garage.freebsd.pl> <EC9BC6B4-8D0E-4FE3-852F-0E3A24569D33@sarenet.es> <20100309125815.GF3155@garage.freebsd.pl> <CB854F58-03AF-46DD-8153-85FA96037C21@sarenet.es> <BFF1E2D6-B48A-4A5E-ACEE-8577FDB07820@sarenet.es> <20100310110202.GA1715@garage.freebsd.pl> <E31E46B1-0FDC-4C6A-AD47-9B78D54790EC@sarenet.es>
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--qlTNgmc+xy1dBmNv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 10, 2010 at 01:32:02PM +0100, Borja Marcos wrote: > Trying. I started my typical test: >=20 > Machine 1 doing a make buildworld on a dataset with src and obj on it. >=20 > Machine 1 replicating incremental snapshots of the dataset to machine 2. >=20 > Machine 2 running some "tar cf - . | ( cd /pool/anotherdataset && tar xf = - )" from the dataset being replicated, ie, doing read operations on the ta= rget dataset. >=20 > This time, with all those debug options, there was no deadlock, but almos= t an instant trap entering DDB. Unfortunately, I tried to capture the outpu= t of "alltrace", etc using the capture option. But couldn't come back to th= e system to read it. >=20 > Any ideas? I'm using VMWare Fusion to run FreeBSD for these tests and see= ms I'm out of luck, I don't see any console output mechanism. You should be able to use text dumps to capture output of those commands on panic. --=20 Pawel Jakub Dawidek http://www.wheelsystems.com pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --qlTNgmc+xy1dBmNv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkuXlwcACgkQForvXbEpPzRzNACfTNHrGE+pPTvYnZlXaRaPpxGc 2u8An3VA/URKFHEEeca5ItcVTdP5G+Uy =z7Mk -----END PGP SIGNATURE----- --qlTNgmc+xy1dBmNv--
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