I (Snark, I should create an account) hadn't upgraded my ptlib+opal since long, and did so today 20090322 ; I now get a crash on exit in ekiga :
#0 0x00000000 in ?? ()
#1 0xb7611eff in PProcess::SignalTimerChange() ()
from /usr/lib/libpt.so.2.7-beta0
#2 0xb7613239 in PThread::~PThread() () from /usr/lib/libpt.so.2.7-beta0
#3 0xb763094d in PThreadObj<PInterfaceMonitor>::~PThreadObj() ()
from /usr/lib/libpt.so.2.7-beta0
#4 0xb762d07a in PInterfaceMonitor::Stop() () from /usr/lib/libpt.so.2.7-beta0
#5 0xb762d178 in PInterfaceMonitor::OnShutdown() ()
from /usr/lib/libpt.so.2.7-beta0
#6 0xb76342c9 in PProcess::PreShutdown() () from /usr/lib/libpt.so.2.7-beta0
---Type <return> to continue, or q <return> to quit---
#7 0xb76137d9 in PProcess::~PProcess() () from /usr/lib/libpt.so.2.7-beta0
#8 0xb65bdb29 in exit () from /lib/i686/cmov/libc.so.6
#9 0xb65a577d in __libc_start_main () from /lib/i686/cmov/libc.so.6
#10 0x080d19a1 in _start () at ../sysdeps/i386/elf/start.S:119
PS: this is downstream http://bugzilla.gnome.org/show_bug.cgi?id=576309
I retried ekiga with ptlib 2.6.1 and opal 3.6.1 : no crash on exit.