Panic in propagate_priority() [5.3-BETA2]
rwatson at freebsd.org
Wed Sep 1 20:32:55 PDT 2004
On Wed, 1 Sep 2004, Patrick Guelat wrote:
> Since nobody answered to the problem yet that I reported a few days
> ago I did some more tests and got several panics since then...
> I'm trying to run OSPF6 on a gif-tunnel between a Cisco-7206VXR and a
> box running 5.3-BETA2 and get a panic everytime I start ospf6d (from
> It always ends in a panic in propagate_priority(), sometimes I get the
> following panic-message:
> panic: process 37 (swi1: net):1 holds rip but isn't blocked on a
> "rip" is the lock defined in netinet/raw_ip.c which is also used by the
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?
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"
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org Principal Research Scientist, McAfee Research
> Tracing the userland-part nearly always ends at the sendmsg(2)
> call on the raw socket, but sometimes the panic also occurs
> some time before ospf6d sends it's first hello message (maybe during
> the reception of the ipv6 ospf packet from the cisco ?)
> Patrick Guélat, ImproWare AG Network Services, CH-4133 Pratteln
> Mail: Patrick.Guelat at imp.ch - Phone: +41 61 826 93 00 (ext: 13)
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