Bug#416447: ekiga crashes on startup with linux-uvc module loaded

[Andy Huhn]

Sven,

Thanks for the detailed instructions.  Here is my gdb.txt.  Let me know
if you need more info:

Starting program: /usr/bin/ekiga 
[Thread debugging using libthread_db enabled]
[New Thread 47396039953344 (LWP 7438)]
[New Thread 1074006368 (LWP 7441)]
[New Thread 1074272608 (LWP 7442)]
[New Thread 1074538848 (LWP 7443)]
[New Thread 1082931552 (LWP 7444)]
[New Thread 1091324256 (LWP 7445)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 47396039953344 (LWP 7438)]
0x00002b1b3ccdf5d0 in strlen () from /lib/libc.so.6

Thread 6 (Thread 1091324256 (LWP 7445)):
#0  0x00002b1b3cd2dcf6 in poll () from /lib/libc.so.6
#1  0x00002b1b3b1c95ae in g_main_context_check ()
   from /usr/lib/libglib-2.0.so.0
#2  0x00002b1b3b1c9a46 in g_main_loop_run ()
from /usr/lib/libglib-2.0.so.0
#3  0x00002b1b39de0ffd in e_book_get_type ()
from /usr/lib/libebook-1.2.so.5
#4  0x00002b1b3b1e25a4 in g_thread_create_full ()
   from /usr/lib/libglib-2.0.so.0
#5  0x00002b1b3c6cff1a in start_thread () from /lib/libpthread.so.0
#6  0x00002b1b3cd36602 in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 1082931552 (LWP 7444)):
#0  0x00002b1b3c6d2d2f in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00002b1b3ad79600 in ?? () from /usr/lib/libgthread-2.0.so.0
#2  0x00002b1b3b1aaffa in g_async_queue_sort ()
from /usr/lib/libglib-2.0.so.0
#3  0x00002b1b3b1e4075 in g_thread_pool_push ()
from /usr/lib/libglib-2.0.so.0
#4  0x00002b1b3b1e25a4 in g_thread_create_full ()
   from /usr/lib/libglib-2.0.so.0
#5  0x00002b1b3c6cff1a in start_thread () from /lib/libpthread.so.0
#6  0x00002b1b3cd36602 in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 1074538848 (LWP 7443)):
#0  0x00002b1b3cd2dcf6 in poll () from /lib/libc.so.6
#1  0x00002b1b3b1c95ae in g_main_context_check ()
   from /usr/lib/libglib-2.0.so.0
#2  0x00002b1b3b1c9a46 in g_main_loop_run ()
from /usr/lib/libglib-2.0.so.0
#3  0x00002b1b3ab4ccc0 in link_set_io_thread ()
from /usr/lib/libORBit-2.so.0
#4  0x00002b1b3b1e25a4 in g_thread_create_full ()
   from /usr/lib/libglib-2.0.so.0
#5  0x00002b1b3c6cff1a in start_thread () from /lib/libpthread.so.0
#6  0x00002b1b3cd36602 in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 1074272608 (LWP 7442)):
#0  0x00002b1b3c6d4eeb in __lll_mutex_lock_wait ()
from /lib/libpthread.so.0
#1  0x0000000000000005 in ?? ()
#2  0x0000000000000000 in ?? ()

Thread 2 (Thread 1074006368 (LWP 7441)):
#0  0x00002b1b3c6d2d2f in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00002b1b3b798bfa in PSyncPoint::Wait ()
from /usr/lib/libpt.so.1.10.2
#2  0x00002b1b3bdde283 in OpalManager::GarbageMain ()
   from /usr/lib/libopal.so.2.2
#3  0x00002b1b3b798693 in PThread::PX_ThreadStart ()
   from /usr/lib/libpt.so.1.10.2
#4  0x00002b1b3c6cff1a in start_thread () from /lib/libpthread.so.0
#5  0x00002b1b3cd36602 in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 47396039953344 (LWP 7438)):
#0  0x00002b1b3ccdf5d0 in strlen () from /lib/libc.so.6
#1  0x00002b1b3ccb14bc in vfprintf () from /lib/libc.so.6
#2  0x00002b1b3ccd172a in vsnprintf () from /lib/libc.so.6
#3  0x00000000004796cf in gnomemeeting_warning_dialog_on_widget (
    parent=0x927440, key=0x486070
"/apps/ekiga/devices/video/enable_preview", 
    primary_text=<value optimized out>, format=0x482df0 "%s") at
gmdialog.c:474
#4  0x00000000004578c0 in GMVideoGrabber::VGOpen (this=0x2aaaab506010)
    at devices/videoinput.cpp:395
#5  0x0000000000457e06 in GMVideoGrabber (this=0x2aaaab506010, 
    start_grabbing=1, sync=1, endpoint=@0x65d4b0) at
devices/videoinput.cpp:83
#6  0x000000000045d9fa in GMManager::CreateVideoGrabber (this=0x65d4b0, 
    start_grabbing=1, synchronous=1) at endpoints/manager.cpp:495
#7  0x000000000045ea40 in GMManager::UpdateDevices (this=0x65d4b0)
    at endpoints/manager.cpp:211
#8  0x000000000046510c in GMManager::Init (this=0x65d4b0)
    at endpoints/manager.cpp:1538
#9  0x0000000000448fd4 in main (argc=1, argv=0x7fff72ff97d8, 
    envp=<value optimized out>) at gui/main.cpp:4628
The program is running.  Exit anyway? (y or n)