Date: Wed, 19 Jul 2006 08:30:23 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: User Freebsd <freebsd@hub.org> Cc: Robert Watson <rwatson@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: file system deadlock - the whole story? Message-ID: <20060719053023.GG1464@deviant.kiev.zoral.com.ua> In-Reply-To: <20060719012941.H1799@ganymede.hub.org> References: <E1FxzUU-000MMw-5m@cs1.cs.huji.ac.il> <20060705100403.Y80381@fledge.watson.org> <cone.1152136419.991036.72616.1000@zoraida.natserv.net> <20060705234514.I70011@fledge.watson.org> <20060715000351.U1799@ganymede.hub.org> <20060715035308.GJ32624@deviant.kiev.zoral.com.ua> <20060718074804.W1799@ganymede.hub.org> <20060719012941.H1799@ganymede.hub.org>
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[-- Attachment #1 --] On Wed, Jul 19, 2006 at 01:31:17AM -0300, User Freebsd wrote: > > Kostik/Robert ... does this provide enough (any?) information concerning > the deadlock situation(s) that are being reported? is there anything else > I should do the next time it happens? > > I tried to submit a GnATs report on this also, but fear that the > attachment was a wee bit too big :( > Marc, thank you for the report. It does contain useful information, I'm looking into it. I see at least one obvius deadlock (you shell becomes unresponible when you tried to make auto-completion, right ?). > On Tue, 18 Jul 2006, User Freebsd wrote: > > > > >'k, had a bunch of fun tonight, but one of the results is that I was able > >to achieve file system deadlock, or so it appears ... > > > >Using the following from DDB: > > > >set $lines=0 > >show pcpu > >show allpcpu > >ps > >trace > >alltrace > >show locks > >show alllocks > >show uma > >show malloc > >show lockedvnods > >call doadump > > > >I've been able to produce the attached output, as well as have a core dump > >that can hopefully be used to gather any that I may have missed this time > >*cross fingers* > > ---- > Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) > Email . scrappy@hub.org MSN . scrappy@hub.org > Yahoo . yscrappy Skype: hub.org ICQ . 7615664 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (FreeBSD) iD8DBQFEvcNvC3+MBN1Mb4gRAvOjAKDQ2geVuR4DwtbUq7mPMZMAuQuEKwCgsiv4 Nj8vJIKbw5jTa4dQihByb+E= =FXfY -----END PGP SIGNATURE-----
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