re: port-sparc/40629: kernel panic under high network load using pf (and ipv6)

[matthew green <mrg%eterna.com.au@localhost>]

The following reply was made to PR port-sparc/40629; it has been noted by GNATS.

From: matthew green <mrg%eterna.com.au@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: port-sparc-maintainer%netbsd.org@localhost, 
gnats-admin%netbsd.org@localhost,
    netbsd-bugs%netbsd.org@localhost, htodd%twofifty.com@localhost
Subject: re: port-sparc/40629: kernel panic under high network load using pf 
(and ipv6)
Date: Fri, 13 Mar 2009 05:23:29 +1100

 can you build a kernel with DDB and make sure ddb.onpanic is set to 1?
 also, please build the kernel with:
 
        makeoptions DEBUG="-g"
 
 going on your crash point, it is somewhere in pf_modulate_sack().
 
 perhaps try disabling net.inet.tcp.sack.enable and the
 inet6 version of the same.
 
 
 .mrg.