Date: Thu, 13 Sep 2007 10:36:35 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Kenneth Vestergaard Schmidt <kvs@pil.dk> Cc: freebsd-current@freebsd.org Subject: Re: Unkillable and runaway processes Message-ID: <20070913083635.GB1155@garage.freebsd.pl> In-Reply-To: <m11wdbq95e.fsf@binarysolutions.dk> References: <m1lkbmtw6z.fsf@binarysolutions.dk> <20070905141759.GJ12013@garage.freebsd.pl> <m1k5r5rv6y.fsf@binarysolutions.dk> <20070905171741.GA15709@garage.freebsd.pl> <m11wdbq95e.fsf@binarysolutions.dk>
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--yEPQxsgoJgBvi8ip Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 07, 2007 at 08:31:09AM +0200, Kenneth Vestergaard Schmidt wrote: > Pawel Jakub Dawidek <pjd@FreeBSD.org> writes: >=20 > > On Wed, Sep 05, 2007 at 05:25:09PM +0200, Kenneth Vestergaard Schmidt w= rote: > >> Pawel Jakub Dawidek <pjd@FreeBSD.org> writes: > >> >> I could use some pointers on what to do - is there some way I can d= ebug > >> >> this better, maybe give some better info? > >> > > >> > Try disabling ZIL. This looks like a bug was already reported by Kri= s. > >> > This was already reported to OpenSolaris. > >>=20 > >> We disabled ZIL, but the bug crept up again. I've just now rebooted the > >> machine with DDB-support, so I can get some more info, per Kris's mail. >=20 > That would be Kip's mail. >=20 > >> The full state of the process hanging is 'zfs:(&tx->tx_quiesce_done_cv= )' > >> - it cycles between RUN, CPUx and this one. > > > > Hmm, this means it didn't deadlock... >=20 > Here's some debugging output. PIDs 14870, 14933 and 12458 are just > spinning and being useless. Funnily, all three have rename() in their > backtrace. >=20 > db> ps [...] > 360 0 0 0 SL zfs:(&tq 0xd151877c [zil_clean] > 359 0 0 0 SL zfs:(&tq 0xd1518848 [zil_clean] [...] Are you sure you disabled ZIL? --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --yEPQxsgoJgBvi8ip Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFG6PaTForvXbEpPzQRAsKFAJwLVmn2Ib72EIfzzLJXiTVqoYl7HQCfW1MR Anxx40GGkaNINbELmHvNNOg= =rrC1 -----END PGP SIGNATURE----- --yEPQxsgoJgBvi8ip--
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