Date: Mon, 6 Jan 2003 18:56:39 +0100 From: Ulrich Spoerlein <q@uni.de> To: leafy <leafy@leafy.idv.tw> Cc: freebsd-current@freebsd.org Subject: Re: lock order reversal Message-ID: <20030106185639.27667916.q@uni.de> In-Reply-To: <20030104162517.GA630@leafy.idv.tw> References: <20030104162517.GA630@leafy.idv.tw>
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--=.W+Gxl__.iVTv5d Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On 2003/01/05-00:25:17 leafy wrote: >lock order reversal >Jan 5 00:19:15 leafy kernel: 1st 0xc26b05c0 process lock (process lock) >@/usr/src/sys/kern/kern_descrip.c:2099 Jan 5 00:19:15 leafy kernel: 2nd >0xc2667e34 filedesc structure (filedesc structure) @ >/usr/src/sys/kern/kern_descrip.c:2106 > >The kernel is only about 40 mins old. /me too. updated world + kernel sometime yesterday (2003/01/05) and was about updating linux_base when a kernel panic occured. # portupgrade linux_base ... panic: lockmgr: pid 3171, not exclusive lock holder (sorry, i don't have more details :( after rebooting i got this on bootup: Mounting root from ufs:/dev/ad0s3a WARNING: / was not properly dismounted lock order reversal 1st 0xc340f068 process lock (process lock) @ /usr/src/sys/kern/kern_descrip.c:2099 2nd 0xc33e9634 filedesc structure (filedesc structure) @ /usr/src/sys/kern/kern_descrip.c:2106 i got another LOR when starting up Quake2 (but only once every boot): acquiring duplicate lock of same type: "pcm channel" 1st pcm0:record:0 @ /usr/src/sys/dev/sound/pcm/sound.c:191 2nd pcm0:play:0 @ /usr/src/sys/dev/sound/pcm/sound.c:191 --=.W+Gxl__.iVTv5d Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+GcNXmArGtfDbn0QRAjkpAJwIZpk8hdVFI5+40PV3Yp0QBARhbgCgg1VP q1bAH5xNI5oBM2B/z0eUbPo= =EU+4 -----END PGP SIGNATURE----- --=.W+Gxl__.iVTv5d-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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