Date: Thu, 8 Apr 2004 12:55:11 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Tuc <tuc@ttsg.com> Cc: freebsd-questions@freebsd.org Subject: Re: Stopevent / Lock order reversal / etc Message-ID: <20040408195510.GA38781@xor.obsecurity.org> In-Reply-To: <200404081259.i38CxP3l027436@himinbjorg.tucs-beachin-obx-house.com> References: <200404081259.i38CxP3l027436@himinbjorg.tucs-beachin-obx-house.com>
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--fdj2RfSjLxBAspz7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 08, 2004 at 08:59:25AM -0400, Tuc wrote: > Hi, >=20 > JUST brought up a 5.2.1-R-p4 system and am putting INN on it, and > I'm getting: >=20 > Apr 8 08:53:54 vjofn2 kernel: Sleeping on "stopevent" with the following= non-sl > eepable locks held: > Apr 8 08:53:54 vjofn2 kernel: exclusive sleep mutex sigacts r =3D 0 (0xc= 8c90aa8)=20 > locked @ /usr/src/sys/kern/kern_condvar.c:457 > Apr 8 08:53:54 vjofn2 kernel: lock order reversal > Apr 8 08:53:54 vjofn2 kernel: 1st 0xc8c90aa8 sigacts (sigacts) @ /usr/sr= c/sys/k > ern/kern_condvar.c:457 > Apr 8 08:53:54 vjofn2 kernel: 2nd 0xc89e306c process lock (process lock)= @ /usr > /src/sys/kern/kern_synch.c:309 > Apr 8 08:53:54 vjofn2 kernel: Stack backtrace: > Apr 8 08:53:54 vjofn2 kernel: Sleeping on "stopevent" with the following= non-sl > eepable locks held: > Apr 8 08:53:54 vjofn2 kernel: exclusive sleep mutex sigacts r =3D 0 (0xc= 8c90aa8)=20 > locked @ /usr/src/sys/kern/subr_trap.c:260 > Apr 8 08:53:54 vjofn2 kernel: Sleeping on "stopevent" with the following= non-sl > eepable locks held: > Apr 8 08:53:54 vjofn2 kernel: exclusive sleep mutex sigacts r =3D 0 (0xc= 8c90aa8)=20 > locked @ /usr/src/sys/kern/subr_trap.c:260 > Apr 8 08:56:10 vjofn2 kernel: Sleeping on "stopevent" with the following= non-sl > eepable locks held: > Apr 8 08:56:10 vjofn2 kernel: exclusive sleep mutex sigacts r =3D 0 (0xc= 8c90aa8)=20 > locked @ /usr/src/sys/kern/kern_condvar.c:457 > Apr 8 08:56:10 vjofn2 kernel: Sleeping on "stopevent" with the following= non-sl > eepable locks held: > Apr 8 08:56:10 vjofn2 kernel: exclusive sleep mutex sigacts r =3D 0 (0xc= 8c90aa8)=20 > locked @ /usr/src/sys/kern/subr_trap.c:260 > Apr 8 08:56:10 vjofn2 kernel: Sleeping on "stopevent" with the following= non-sl > eepable locks held: > Apr 8 08:56:10 vjofn2 kernel: exclusive sleep mutex sigacts r =3D 0 (0xc= 8c90aa8)=20 > locked @ /usr/src/sys/kern/subr_trap.c:260 >=20 > EH?! What is this trying to tell me? That you're seeing evidence of kernel bugs. Report to current@FreeBSD.org, although they might already be fixed in 5.2-CURRENT. Kris --fdj2RfSjLxBAspz7 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAda4eWry0BWjoQKURAmEHAJ9A6Y5bb3Um2wBq2r7y3hez4nlUVgCfTPxN upplOlb9W3HedYKuvll3r7c= =8ouD -----END PGP SIGNATURE----- --fdj2RfSjLxBAspz7--
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