Date: Mon, 26 Jun 2006 17:30:39 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-stable@freebsd.org, Dmitry Morozovsky <marck@rinet.ru> Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... Message-ID: <20060626143038.GK79678@deviant.kiev.zoral.com.ua> In-Reply-To: <20060626021616.W1114@ganymede.hub.org> 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>
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--8jNwmpfkpox/fiJK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 26, 2006 at 02:20:12AM -0300, Marc G. Fournier wrote: > On Mon, 26 Jun 2006, Kostik Belousov wrote: >=20 > >Yes, this looks like a deadlock. As I understand, that's on 6.1-STABLE ? >=20 > Yes, kernel sources, it seems, from May 25th, according to my /usr/src=20 > tree ... >=20 > >BTW, do you use snapshots ? >=20 > Not that I've explicitly enabled ... >=20 > >I think that without ddb access, diagnose and debug the problem would be= =20 > >quite hard. >=20 > Would it be a simple matter of: >=20 > CTL-ALT-ESC > panic >=20 > to get it to dump core? Or would more be involved? Would a core dump=20 > 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/kernel= debug-deadlocks.html --8jNwmpfkpox/fiJK Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEn++OC3+MBN1Mb4gRAtq+AJ9XZPaXt35TN/wDpH63Uy8T3z0y3QCgvHGM m9WnqonjRs0JUSkV1VNFl0A= =7Qr9 -----END PGP SIGNATURE----- --8jNwmpfkpox/fiJK--
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