Date: Sun, 21 Sep 2008 13:09:56 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Mario Sergio Fujikawa Ferreira <lioux-list@uol.com.br> Cc: freebsd-stable@FreeBSD.org Subject: Re: FreeBSD 7.1-PRERELEASE panic rw_rlock (udpinp) Message-ID: <48D63994.20607@FreeBSD.org> In-Reply-To: <20080921111641.79555.qmail@exxodus.fedaykin.here> References: <20080921103940.74650.qmail@exxodus.fedaykin.here> <48D6268A.3090805@FreeBSD.org> <20080921111641.79555.qmail@exxodus.fedaykin.here>
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Mario Sergio Fujikawa Ferreira wrote: > On Sun, Sep 21, 2008 at 11:48:19AM +0100, Kris Kennaway wrote: >> Mario Sergio Fujikawa Ferreira wrote: >>> Hi, >>> >>> 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. >>> >>> ---- >>> 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 >>> >> - gdb backtrace? > > I had a hard lock there. I got the system panic but it > locked instead of dumping core. I had to remove the power cord to > reboot it. > > I do not have much experience with kernel traces. How do I > force a backtrace? Any unattended ddb scripts? See the developers handbook. Kris
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