Date: Mon, 26 Jun 2006 13:12:53 -0300 (ADT) From: "Marc G. Fournier" <scrappy@hub.org> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-stable@freebsd.org, Dmitry Morozovsky <marck@rinet.ru> Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... Message-ID: <20060626131139.I1114@ganymede.hub.org> In-Reply-To: <20060626143038.GK79678@deviant.kiev.zoral.com.ua> References: <20060624221556.O30039@woozle.rinet.ru> <20060624152525.D1114@ganymede.hub.org> <20060625164752.H52500@woozle.rinet.ru> <20060625105843.O1114@ganymede.hub.org> <20060625211510.D52500@woozle.rinet.ru> <20060625154247.N1114@ganymede.hub.org> <20060626014210.P1114@ganymede.hub.org> <20060626014601.E1114@ganymede.hub.org> <20060626045547.GI79678@deviant.kiev.zoral.com.ua> <20060626021616.W1114@ganymede.hub.org> <20060626143038.GK79678@deviant.kiev.zoral.com.ua>
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On Mon, 26 Jun 2006, Kostik Belousov wrote: > On Mon, Jun 26, 2006 at 02:20:12AM -0300, Marc G. Fournier wrote: >> On Mon, 26 Jun 2006, Kostik Belousov wrote: >> >>> Yes, this looks like a deadlock. As I understand, that's on 6.1-STABLE ? >> >> Yes, kernel sources, it seems, from May 25th, according to my /usr/src >> tree ... >> >>> BTW, do you use snapshots ? >> >> Not that I've explicitly enabled ... >> >>> I think that without ddb access, diagnose and debug the problem would be >>> quite hard. >> >> Would it be a simple matter of: >> >> CTL-ALT-ESC >> panic >> >> to get it to dump core? Or would more be involved? Would a core dump >> even work? > Core dumps are somewhat unconvenient in this situation. Better, > sending report to me, follow my advise in > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html The problem is that I'm dealing with a remote server here, no serial console, and no guaranteed keyboard :( I'm between a rock and a hard place on this one :( ---- 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
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