FreeBSD 7.1-PRERELEASE panic rw_rlock (udpinp)

[Mario Sergio Fujikawa Ferreira]

Hi,

	That seems to be working. I've been up and running for 2 hours now with 
your patch.

	The machine is a bit slow but I have both WITNESS and INVARIANTS 
enabled to make sure everything is fine.

	Rergads,
		Mario

Robert Watson wrote:
> 
> 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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