panic: mtx_lock() of spin mutex in ip_output.c

[Sam Leffler]

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