kern/114237: kernel lock
Bjoern A. Zeeb
bz at FreeBSD.org
Tue Jul 3 14:10:13 UTC 2007
The following reply was made to PR kern/114237; it has been noted by GNATS.
From: "Bjoern A. Zeeb" <bz at FreeBSD.org>
To: bug-followup at FreeBSD.org, nst at yahoo.co.jp
Cc:
Subject: Re: kern/114237: kernel lock
Date: Tue, 3 Jul 2007 14:04:11 +0000 (UTC)
On Tue, 3 Jul 2007, nst wrote:
> kernel: lock order reversal:
> kernel: 1st 0xc3280090 inp (divinp) @ /usr/src/sys/modules/ipdivert/../../netinet/ip_divert.c:356
> kernel: 2nd 0xc0bf0018 PFil hook read/write mutex (PFil hook read/write mutex) @ /usr/src/sys/net/pfil.c:73
This looks very similar to
http://sources.zabbadoz.net/freebsd/lor.html#181
--
Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
Software is harder than hardware so better get it right the first time.
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