Date: Thu, 2 Sep 2004 08:28:29 +0000 (UTC) From: Patrick Guelat <pg@imp.ch> To: Robert Watson <rwatson@freebsd.org>, jhb@freebsd.org Cc: freebsd-current@freebsd.org Subject: Re: Panic in propagate_priority() [5.3-BETA2] Message-ID: <20040902081926.J48093@murphy.imp.ch> In-Reply-To: <Pine.NEB.3.96L.1040901232805.31277B-100000@fledge.watson.org> References: <Pine.NEB.3.96L.1040901232805.31277B-100000@fledge.watson.org>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --0-1160686353-1094113709=:48093 Content-Type: TEXT/PLAIN; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8BIT On Wed, 1 Sep 2004, Robert Watson wrote: >> "rip" is the lock defined in netinet/raw_ip.c which is also used by the >> netinet6/raw_ip6.c. > > A couple of questions: > > - Is this an SMP box? > - Is PREEMPTION enabled on the box? > - Are you using net.isr.enable=1 or debug.mpsafenet=1? No PREEMPTION, more or less vanilla 5.3-BETA2 GENERIC, w/o mpsafenet and net.isr.enable=0, UP machine (no SMP) > Is WITNESS compiled into your kernel, and if so, when you drop to DDB from > panic(), what does "show pcpu", "show locks", and "show locks 37" > indicate? db> show pcpu cpu_id = 0 curthread = 0xc19c16c0: pid 37 "swi1: net" curpcb = 0xd53f1da0 fpcurthread = none idlethread = 0xc197b580: pid 11 "idle" APIC ID = 0 currentldt = 0x68 spin locks held: db> show locks exclusive sleep mutex rip r=1 (0xc079e70c) locked @ /usr/src53/sys/netinet6/raw_ip.c:255 db> show locks 37 exclusive sleep mutex rip r=1 (0xc079e70c) locked @ /usr/src53/sys/netinet6/raw_ip.c:255 -Patrick -- Patrick Guélat, ImproWare AG Network Services, CH-4133 Pratteln Mail: Patrick.Guelat@imp.ch - Phone: +41 61 826 93 00 (ext: 13) --0-1160686353-1094113709=:48093--
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