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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