pf crash + questions

Richard Nyberg rnyberg at murmeldjur.se
Sat Jul 29 11:20:01 PDT 2006


At Sat, 29 Jul 2006 19:26:42 +0200,
Simon 'corecode' Schubert wrote:
>
> Richard Nyberg wrote:
> > My dragonfy firewall panics now and then. Using bittorrent greatly enhances
> > the chances of a panic. Unfortunately the backtraces from the core dumps have
> > mostly looked like garbage.
> 
> duh.  so the bug still exists :/  we thought it was fixed, but something still destroys the state tables...
> 
> > Some questions
> > 1) Is the correct way to generate a core dump from DDB to "call dumpsys"?
> 
> or enter "panic".  it should dump as well.
> 
> > 3) How do I produce the trace above from kgdb? I'd prefer not having to
> > copy it by hand :)
> 
> kgdb kernel core
> [..]
> (kgdb) bt
> 
> (or, if it occured in a module, you have to load the kmods as well:)
> 
> (kgdb) source /usr/src/test/debug/gdb.kernel
> (kgdb) kldstat
> [mark output]
> (kgdb) ^Z
> # asf -s /modules
> [paste output]
> ^D
> # fg
> (kgdb) source .asf
> (kgdb) bt
> 

Ah! The core dumps weren't garbage, they are much  more understandable with
the module symbols loaded. :)

Thanks for the info Simon!

        -Richard






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