From owner-freebsd-stable@FreeBSD.ORG Wed Feb 23 23:55:17 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3E4D616A4CE; Wed, 23 Feb 2005 23:55:17 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.199.47.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id EA17E43D3F; Wed, 23 Feb 2005 23:55:16 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 0A24551252; Wed, 23 Feb 2005 15:55:15 -0800 (PST) Date: Wed, 23 Feb 2005 15:55:15 -0800 From: Kris Kennaway To: Kris Kennaway Message-ID: <20050223235515.GA19260@xor.obsecurity.org> References: <20050223235405.GB19137@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="cWoXeonUoKmBZSoM" Content-Disposition: inline In-Reply-To: <20050223235405.GB19137@xor.obsecurity.org> User-Agent: Mutt/1.4.2.1i cc: stable@FreeBSD.org cc: julian@FreeBSD.org cc: jhb@FreeBSD.org Subject: Re: panic: Assertion td->td_sleepqueue != NULL failed at /usr/src/sys/kern/subr_sleepqueue.c:258 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Feb 2005 23:55:17 -0000 --cWoXeonUoKmBZSoM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 23, 2005 at 03:54:05PM -0800, Kris Kennaway wrote: > I got this on a 12-processor e4500 running RELENG_5: >=20 > panic: Assertion td->td_sleepqueue !=3D NULL failed at /usr/src/sys/kern/= subr_sleepqueue.c:258 > cpuid =3D 0 > KDB: enter: panic > [thread pid 1 tid 100003 ] > Stopped at kdb_enter+0x38: ta %xcc, 1 > db> wh > Tracing pid 1 tid 100003 td 0xfffff801385067b0 > panic() at panic+0x19c > sleepq_add() at sleepq_add+0x168 > cv_wait() at cv_wait+0x174 > _sx_xlock() at _sx_xlock+0x64 > kern_wait() at kern_wait+0x3c > wait4() at wait4+0x18 > syscall() at syscall+0x220 > -- syscall (7, FreeBSD ELF64, wait4) %o7=3D0x10a7b0 -- 1 fffff80138505ab8 0 0 1 0004200 [SLPQ proctree 0xc03de0c8][= CPU 0] init > About the only nonstandard thing I did was set > kern.sched.ipiwakeup.onecpu=3D1 which was suggested for working around > other deadlocks. I don't recall if preemption is enabled for this > machine (I didn't set it up). Is there any other online debugging I > can do? >=20 > Kris >=20 --cWoXeonUoKmBZSoM Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCHRfjWry0BWjoQKURAseLAKCBqKFbjIvrY4/cHrHy5UzMX0LeVgCg10t8 Lrc2QKQIjVfbffvXLgNoglM= =znuE -----END PGP SIGNATURE----- --cWoXeonUoKmBZSoM--