Date: Thu, 12 Jul 2007 11:42:40 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Alfred Perlstein <alfred@freebsd.org> Cc: Robert Watson <rwatson@freebsd.org>, current@freebsd.org, fs@freebsd.org Subject: Re: bgfsck hosed (lockups) in -current? Message-ID: <20070712084240.GB2200@deviant.kiev.zoral.com.ua> In-Reply-To: <20070711220508.GY45894@elvis.mu.org> References: <20070711202640.GV45894@elvis.mu.org> <20070711223720.C97304@fledge.watson.org> <20070711220508.GY45894@elvis.mu.org>
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[-- Attachment #1 --] On Wed, Jul 11, 2007 at 03:05:08PM -0700, Alfred Perlstein wrote: > * Robert Watson <rwatson@FreeBSD.org> [070711 14:37] wrote: > > > > On Wed, 11 Jul 2007, Alfred Perlstein wrote: > > > > >I have current as of last week. > > > > > >I noticed that if I needed a bgfsck on ufs when rebooting my system would > > >lock up almost immediately. Everything would deadlock. > > > > > >If I rebooted single user and did a regular "fsck -y" then continued to > > >boot, I'd be OK. > > > > > >Has anyone else experienced this? I'm going to update to the most recent > > >current and get more information (which wait channels etc) but wanted to > > >know if anyone knew about this. > > > > > >I recall seeing a LOT of fixes for various deadlocks in snapshots and > > >bgfsck going in lately, but nothing that looked to me as if it'd trigger a > > >regression. > > > > I'm not seeing this either -- have you tried running a manual fsck to see > > if it turns up anything deeply unsatisfying that could be causing bgfsck > > some bother? > > Of course, nothing comes up that's interesting. > > I'll try to reproduce this and give better feedback in the next few > days. Please. Deadlock debugging chapter from dev handbook contains enumeration of the needed things. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFGlel/C3+MBN1Mb4gRAt1vAKDBMQRWJB1T/YomwXl7VXo1Wj25mQCeLRB8 WksXrTP5X2bqmVVhv6k93uU= =kGEQ -----END PGP SIGNATURE-----
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