Date: Fri, 7 Nov 2003 13:23:04 -0800 From: Sam Leffler <sam@errno.com> To: Steve Kargl <sgk@troutmask.apl.washington.edu>, "Steven G. Kargl" <kargl@troutmask.apl.washington.edu> Cc: freebsd-current@freebsd.org Subject: Re: panic: mtx_lock() of spin mutex in ip_output.c Message-ID: <200311071323.04145.sam@errno.com> In-Reply-To: <20031107205456.GA42685@troutmask.apl.washington.edu> References: <200311071931.hA7JVjen041745@troutmask.apl.washington.edu> <20031107205456.GA42685@troutmask.apl.washington.edu>
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On Friday 07 November 2003 12:54 pm, Steve Kargl wrote: > On Fri, Nov 07, 2003 at 11:31:45AM -0800, Steven G. Kargl wrote: > > I have a Dell 4150 laptop using dhcp and ntpd on the > > xl0 interface. I did "ifconfig xl0 down" and received > > the following panic (hand transcribed :-( ). > > > > panic: mtx_lock() of spin mutex (null) @ > > /usr/src/sys/netinet/ip_output.c:266 Stack backtrace: > > backtrace() > > panic() > > panic: process 414(ntpd):2 Giant but isn't blocked on a mutex > > > > In ddb> I get, > > > > Debugger() > > panic() > > propagate_priority() > > _mtx_lock_sleep() > > _mtx_lock_flags() > > softclock() > > ithread_loop() > > fork_exit() > > fork_trampoline() > > > > I have a crash dump and kernel.debug if further info is need Make sure you have rev 1.250 of ip_input.c. Sam
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