FreeBSD 7.1-PRERELEASE panic rw_rlock (udpinp)

[Robert Watson]

On Sun, 21 Sep 2008, Mario Sergio Fujikawa Ferreira wrote:

>  I've been running FreeBSD 7.0-STABLE from August 1 without problems.
>
>  I tried updating to the latest -STABLE but I got a system panic.

Hi Mario--

This is a known problem, and will hopefully be resolved shortly.  In essence, 
the v4 compatibility path for v6 socket is invoking the v4 code with locks 
held that upset the v4 code.

Robert N M Watson
Computer Laboratory
University of Cambridge

>
> ----
> panic: _rw_rlock (udpinp): wlock already held @ /usr/src/sys/netinet/udp_usrreq.c
> ----
>
> FreeBSD 7.1-PRERELEASE #18: Sat Sep 20 23:38:22 BRT 2008
>
> 	Regards,
> 		Mario Ferreira
>
> ----
>
> - Kernel configuration
> http://people.freebsd.org/~lioux/panic/2008092100/KERNCONF
>
> - syslog output
> http://people.freebsd.org/~lioux/panic/2008092100/all.log
> http://people.freebsd.org/~lioux/panic/2008092100/messages
>
> - dmesg.boot
> http://people.freebsd.org/~lioux/panic/2008092100/dmesg.boot
>
> - kldstat
> http://people.freebsd.org/~lioux/panic/2008092100/kldstat.txt
>
> - /boot/loader.conf
> http://people.freebsd.org/~lioux/panic/2008092100/loader.conf
>
> - 'pciconf -lv'
> http://people.freebsd.org/~lioux/panic/2008092100/pciconf.txt
>
> - 'sysctl -a'
> http://people.freebsd.org/~lioux/panic/2008092100/sysctl.txt
>
> - /etc/sysctl.conf
> http://people.freebsd.org/~lioux/panic/2008092100/sysctl.conf
>
> -- 
> Mario S F Ferreira - DF - Brazil - "I guess this is a signature."
> feature, n: a documented bug | bug, n: an undocumented feature
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