Date: Wed, 31 Oct 2007 10:54:28 +0100 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Adam McDougall <mcdouga9@egr.msu.edu> Cc: freebsd-current@freebsd.org Subject: Re: zfs stuck, cannot do any I/O, processes in Disk Wait Message-ID: <20071031095428.GH8068@garage.freebsd.pl> In-Reply-To: <20071029024356.GR3612@egr.msu.edu> References: <20071029024356.GR3612@egr.msu.edu>
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--SBT+cnFS/G3NVgv4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Oct 28, 2007 at 10:43:56PM -0400, Adam McDougall wrote: > I think I have had this happen at least once before, but someone else > rebooted the system before I could see it. I have a server with a=20 > number of zfs filesystems mounted from a raidz, but it won't transfer > any data. I'm not sure why its stuck. It is running 7.0-PRERELEASE > Wed Oct 17 and I'm pretty sure it is WITHOUT vm_kern.c.2.patch. The > system is amd64 and I have not seen a kmem panic since I raised kmem > to 1.5G. =20 >=20 > I logged in to scp a file off of zfs, was able to ls -l to see the file > but the scp hung before transferring any bytes. Now I cannot do a ls -l > in that directory, /z. I noticed several days worth of rsync processes > stuck in disk wait, it must have been in this state for several days. > I have no urgent need to reboot this system, its more important to try > to get a permanent fix. Please let me know what other information I=20 > can provide. =20 I'm afraid you need to do some debugging on your own. I'd start from compiling INVARIANTS, INVARIANT_SUPPORT and WITNESS in. You may want to take a look at developers handbook to see how to obtain some informations from DDB. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --SBT+cnFS/G3NVgv4 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHKFDUForvXbEpPzQRArbaAJ4xWDJewTWOBWKrWC4vBydNAR30hQCg4Ixe asCy7V5FJUbhFX8+Rgca2yU= =UBnB -----END PGP SIGNATURE----- --SBT+cnFS/G3NVgv4--
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