Date: Wed, 19 Jul 2006 08:25:28 -0300 (ADT) From: User Freebsd <freebsd@hub.org> To: Kostik Belousov <kostikbel@gmail.com> Cc: Robert Watson <rwatson@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: file system deadlock - the whole story? Message-ID: <20060719082450.P1799@ganymede.hub.org> In-Reply-To: <20060719053023.GG1464@deviant.kiev.zoral.com.ua> 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> <20060719053023.GG1464@deviant.kiev.zoral.com.ua>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 19 Jul 2006, Kostik Belousov wrote: > 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 ?). Yup, that was when I first noticed it this time through, actually ... > >> 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 > ---- 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060719082450.P1799>