As soon as I start cheese, it crashes with a segfault
Program received signal SIGSEGV, Segmentation fault.
__GI___libc_free (mem=0x1e0000003c) at malloc.c:2929
2929 malloc.c: Aucun fichier ou dossier de ce type.
(gdb) bt
#0 __GI___libc_free (mem=0x1e0000003c) at malloc.c:2929
#1 0x00007fffd1e0e1d8 in gst_vp8_enc_stop (video_encoder=0x2c04c00) at gstvp8enc.c:1445
#2 0x00007fffef668ede in ?? () from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#3 0x00007ffff74b7af2 in gst_element_change_state (element=0x2c04c00, transition=0) at gstelement.c:2602
#4 0x00007ffff74b80fa in gst_element_set_state_func (element=0x2c04c00, state=GST_STATE_READY) at gstelement.c:2558
#5 0x00007ffff749acdc in gst_bin_element_set_state (next=<optimized out>, current=<optimized out>, start_time=<optimized out>, base_time=<optimized out>,
element=<optimized out>, bin=<optimized out>) at gstbin.c:2328
#6 gst_bin_change_state_func (element=0x2a60b30, transition=0) at gstbin.c:2665
#7 0x00007fffd180698a in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstencodebin.so
#8 0x00007ffff74b7af2 in gst_element_change_state (element=0x6c62c0, transition=0) at gstelement.c:2602
#9 0x00007ffff74b80fa in gst_element_set_state_func (element=0x6c62c0, state=GST_STATE_READY) at gstelement.c:2558
#10 0x00007ffff749acdc in gst_bin_element_set_state (next=<optimized out>, current=<optimized out>, start_time=<optimized out>, base_time=<optimized out>,
element=<optimized out>, bin=<optimized out>) at gstbin.c:2328
#11 gst_bin_change_state_func (element=0x2a609b0, transition=0) at gstbin.c:2665
#12 0x00007ffff74d7293 in gst_pipeline_change_state (element=0x2b543e0, transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstpipeline.c:469
#13 0x00007fffd3090b61 in gst_camera_bin_change_state (element=0x2b543e0, trans=GST_STATE_CHANGE_PAUSED_TO_READY) at gstcamerabin2.c:1922
#14 0x00007ffff74b7af2 in gst_element_change_state (element=0x2b543e0, transition=0) at gstelement.c:2602
#15 0x00007ffff74b7b87 in gst_element_change_state (element=0x2b543e0, transition=0) at gstelement.c:2646
#16 0x00007ffff74b80fa in gst_element_set_state_func (element=0x2b543e0, state=GST_STATE_NULL) at gstelement.c:2558
#17 0x00007ffff7bcebef in cheese_camera_stop () from /usr/lib/x86_64-linux-gnu/libcheese.so.7
#18 0x00007ffff7bcfaa5 in cheese_camera_switch_camera_device () from /usr/lib/x86_64-linux-gnu/libcheese.so.7
#19 0x000000000040ecdc in ?? ()
#20 0x00007ffff5b23474 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007ffff5b3d057 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007ffff5b3d9af in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007ffff66bffdb in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#24 0x00007ffff66c2698 in gtk_combo_box_set_active_iter () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#25 0x000000000040d724 in ?? ()
#26 0x00007ffff582268b in g_ptr_array_foreach () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x000000000040f206 in cheese_preferences_dialog_construct ()
#28 0x000000000040c45e in ?? ()
#29 0x00007ffff5b23474 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#30 0x00007ffff5b3d057 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#31 0x00007ffff5b3d9af in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#32 0x000000000040b019 in _start ()
$ lsusb
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 0c45:64ad Microdia
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Moreover apport-bug shows this error:
$ apport-bug cheese
ERROR: hook /usr/share/apport/package-hooks/source_cheese.py crashed:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport/report.py", line 197, in _run_hook
symb['add_info'](report, ui)
File "/usr/share/apport/package-hooks/source_cheese.py", line 16, in add_info
report['lspci'] = command_output(['lspci', '-vvnn'])
NameError: name 'command_output' is not defined
Cheese 3.12.2
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: cheese 3.12.2-1ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-31.43-generic 3.16.7-ckt5
Uname: Linux 3.16.0-31-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Mar 18 19:45:56 2015
InstallationDate: Installed on 2014-01-22 (419 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
SourcePackage: cheese
UpgradeStatus: Upgraded to utopic on 2014-10-24 (145 days ago)
guvcview also crashes with a segfault
I have no idea what's wrong
If no webcam is found these software are supposed to handle it gracefully, right ? so ?