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Re: low bandwidth utilization

On Mon, Jul 03, 2006 at 03:52:08PM +0200, Peter Palfrader wrote:

> > Can you use the coredumps for analysis? Shall I put them in a secret location,
> > and send you the link off-list?
> Don't give away the coredumps.  They are likely to contain your private
> identity key among other things.

I realize that, but I trust you personally to not do something
evil with it. Because I don't have physical access for that
service and don't monitor it for intrustions I don't have full
faith that the machine is not compromised.
> Please install the tor-dbg package (from the same apt repository from
> where you got your binary), and install gdb.
> Then 'gdb /usr/sbin/tor core.32686' and run 'bt' and send that output


85-31-186-61:/var/lib/tor# gdb /usr/sbin/tor core.32686
GNU gdb 6.4.90-debian
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i486-linux-gnu"...Using host libthread_db library "/lib/tls/libthread_db.so.1".

Core was generated by `/usr/sbin/tor'.
Program terminated with signal 6, Aborted.
#0  0x401b47c7 in ?? ()
(gdb) bt
#0  0x401b47c7 in ?? ()
#1  0x402beff4 in ?? ()
#2  0x402c3da0 in ?? ()
#3  0xbffff4d8 in ?? ()
#4  0x401b606b in ?? ()
#5  0x00000006 in ?? ()
#6  0xbffff44c in ?? ()
#7  0x00000000 in ?? ()

That doesn't look very useful, though.

> our way.  Hold on to the core file for a while, there might be questions
> about variable values and whatnot.
> (On Jun 15 you were already running, right?)

I don't know, but I'm usually quick to upgrade.
> For the older cores we would have to get the binaries and debugging
> symbols to the Tor that created the dumps.  Let's wait with that until
> we can see if the latest bt is useful.

Eugen* Leitl <a href="http://leitl.org";>leitl</a> http://leitl.org
ICBM: 48.07100, 11.36820            http://www.ativel.com
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