sctp panic in _mtx_lock_sleep when attempting to connect to a remote machine

[Bjoern A. Zeeb]

On Wed, 12 Aug 2009, Bruce Cran wrote:

Hi,

> I've found a way to reliably panic two machines running 8.0-BETA2.  It
> seems that there's a problem with SCTP connection requests being made
> at the same time as other network traffic.  The panic I see is:
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
>
> Stack trace:
>
> _mtx_lock_sleep
> sctp_lower_sosend
> sctp_sosend
> kern_sendit
> sendit
> sendto
> sycall
> Xfast_syscall

unfrotunately the most intersting info is missing but it's likely that
you are hitting this:
http://lists.freebsd.org/pipermail/svn-src-stable-other/2009-August/000023.html

I you update to latest HEAD or stable/8, can you still reproduce it?

/bz

-- 
Bjoern A. Zeeb                      The greatest risk is not taking one.