Date: Wed, 07 Nov 2007 14:16:11 -0500 From: Joe Marcus Clarke <marcus@FreeBSD.org> To: Ken Smith <kensmith@cse.Buffalo.EDU> Cc: Tim Bishop <tim-lists@bishnet.net>, freebsd-current@FreeBSD.org, avleeuwen@piwebs.com, Rolf Witt <fbsd-st@donut.de>, Kostik Belousov <kostikbel@gmail.com>, Pieter de Goeje <pieter@degoeje.nl> Subject: Re: panic: ffs_blkfree: freeing free block Message-ID: <47320EFB.7040304@FreeBSD.org> In-Reply-To: <1194457019.35649.82.camel@opus.cse.buffalo.edu> References: <200710131857.46963.pieter@degoeje.nl> <200710140408.46121.pieter@degoeje.nl> <471427BE.10500@freebsd.org> <d86b48730710160320i4edd98b9v94e451c1e5f6531b@mail.gmail.com> <20071016112907.GD6511@deviant.kiev.zoral.com.ua> <4715FAA7.7030404@freebsd.org> <20071018093948.GN6511@deviant.kiev.zoral.com.ua> <d86b48730710180259u4dccccdcx245bc333c41258e3@mail.gmail.com> <d86b48730710180940h4f29cdden3c48c23a75328819@mail.gmail.com> <20071019091249.GI88271@carrick.bishnet.net> <d86b48730710230235y78865ed4nd2849ed3f01a92d5@mail.gmail.com> <1194457019.35649.82.camel@opus.cse.buffalo.edu>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Ken Smith wrote: > On Tue, 2007-10-23 at 11:35 +0200, Arjan van Leeuwen wrote: >> 2007/10/19, Tim Bishop <tim-lists@bishnet.net>: >>> On Thu, Oct 18, 2007 at 06:40:04PM +0200, Arjan van Leeuwen wrote: >>>>> are softupdates on ? >>>>> >>>>> Yes. Turning them off seems to fix the problem (fingers crossed - I >>> only >>>>> turned it off this morning, didn't have a panic yet) >>>> After working for a whole day without softupdates, I can say that >>> turning >>>> them off at least causes less panics to happen than with them turned on, >>>> maybe they even don't happen at all without softupdates; I haven't had a >>>> panic all day, while I have one every few hours with softupdates turned >>> on. >>> >>> I've been running for the best part of a day now with softupdates turned >>> off and so far no panics. I'm running tinderbox on the host, and it >>> would quite reliably crash it before. >>> >>> Of course it's hard to say if this has fixed the problem... maybe it >>> doesn't happen as often, or maybe my data is being slowly chewed up >>> instead ;-) >> It looks like on the same system, I'm able to reliably panic zfs as well, >> under the exact same conditions (i.e. linking a particularly big piece of >> software). Maybe this is not a problem in the filesystem at all. I've not >> been able to get a coredump yet from the zfs panic. >> This is in 7.0-PRERELEASE, btw (I switched to RELENG_7 when the branching >> happened). > > Is anyone who had been able to trigger this panic still having problems > with recent kernels (and soft updates turned on)? I've checked with a > few people who had been experiencing the panic and they can no longer > trigger it. > > It's at least a tiny bit possible some of the VM fixes that have gone in > addressed this problem. We'd like to find out if anyone can still > trigger this. I have been running unpatched for a while now with multiple GNOME 2.20 TB builds running, and I have not seen this panic. It's probably been three weeks now. Joe - -- Joe Marcus Clarke FreeBSD GNOME Team :: gnome@FreeBSD.org FreeNode / #freebsd-gnome http://www.FreeBSD.org/gnome -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHMg76b2iPiv4Uz4cRAuOZAJ9RO6gj29dd7mIliFtPOV0Hv+YeyACfe7Tf Urd5kQKv1qCzE1FJTFxdndc= =9cYK -----END PGP SIGNATURE-----
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