DragonFly commits List (threaded) for 2008-09
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Re: cvs commit: src/sys/netinet in_pcb.c ip_output.c src/sys/net route.c route.h
On Thu, Sep 11, 2008 at 7:23 PM, Sepherosa Ziehau
<sephe@crater.dragonflybsd.org> wrote:
> sephe 2008/09/11 04:23:29 PDT
>
> DragonFly src repository
>
> Modified files:
> sys/netinet in_pcb.c ip_output.c
> sys/net route.c route.h
> Log:
> - Add rtfree_remote(), which send rtentry to its owner CPU to be freed.
> Print backtrace, if net.route.remote_free_panic is 0. This function
> only serves as _temporary_ workaround.
> - In ip_output(), if passed rtentry cache's owner CPU is not the current,
> then keep it untouched and use the stack variable to relocate the route.
> Add comment about it. This at least could happen in the following
> callgraph on a TCP socket, on which listen(2) has been called:
> ip_input() -> tcp_input() -> tcp_respond() -> ip_output()
I suggest to set net.route.remote_free_panic to 1, if you have SMP
testing boxes.
Best Regards,
sephe
--
Live Free or Die
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