[Bug 567643] SIGSEGV inside Pango in gtk_label_size_request with large multiline string running downloaded copy of OpenXenCenter

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https://bugzilla.redhat.com/show_bug.cgi?id=567643

Bruce W. Tucker <btucker at osteopathic.org> changed:

           What    |Removed                     |Added
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               Flag|needinfo?(btucker at osteopath |
                   |ic.org)                     |

--- Comment #3 from Bruce W. Tucker <btucker at osteopathic.org> 2010-02-25 14:01:41 EST ---
I can reproduce the problem with opening OpenXenCenter (running "python
window.py") and just leaving it open (no input).  I believe it is just updating
the console information from 2 Citrix server pools when it crashes

$ sudo rpm -q pygtk2 pango gtk2
pygtk2-2.16.0-1.fc12.x86_64
pango-1.26.2-1.fc12.x86_64
gtk2-2.18.6-3.fc12.x86_64

The OpenXenCenter README says that it needs glade 3.6 and libgtk 2.16
$ sudo rpm -qa | grep glade
libglademm24-2.6.7-3.fc12.x86_64
pygtk2-libglade-2.16.0-1.fc12.x86_64
libglade2-2.6.4-3.fc12.x86_64
glade3-3.6.7-2.fc12.x86_64
glade3-libgladeui-3.6.7-2.fc12.x86_64
libglade2-devel-2.6.4-3.fc12.x86_64


dmesg
python[7500]: segfault at 184 ip 0000003e11021d40 sp 00007fff6d7518b0 error 4
in libpango-1.0.so.0.2600.2[3e11000000+48000]

/var/log/messages
Feb 22 15:06:17 ungoliant kernel: python[7500]: segfault at 184 ip
0000003e11021d40 sp 00007fff6d7518b0 error 4 in
libpango-1.0.so.0.2600.2[3e11000000+48000]


from console 
.........(deprecated).........
SR.scan pending 0.0: {'timestamp': '1266939438.', 'class': 'task', 'snapshot':
{'status': 'pending', 'subtask_of': 'OpaqueRef:NULL', 'current_operations': {},
'subtasks': [], 'uuid': 'efbf3cca-a7c7-e51c-8e82-7b4f53e39903', 'created':
<DateTime '20100223T15:37:18Z' at 7f52d3aab7a0>, 'other_config': {},
'name_label': 'SR.scan', 'allowed_operations': [], 'finished': <DateTime
'19700101T00:00:00Z' at 7f52d0237638>, 'resident_on':
'OpaqueRef:45dad8ef-bc18-52b6-d38d-ea8f322ba7fa', 'result': '', 'progress':
0.0, 'name_description': '', 'error_info': [], 'type': '<none/>'}, 'operation':
'add', 'ref': 'OpaqueRef:6a415814-2724-71ef-e2bb-740a0e4a66aa', 'id': '563545'}
SR.scan pending 0.0: {'timestamp': '1266939438.', 'class': 'task', 'snapshot':
{'status': 'pending', 'subtask_of': 'OpaqueRef:NULL', 'current_operations': {},
'subtasks': [], 'uuid': 'efbf3cca-a7c7-e51c-8e82-7b4f53e39903', 'created':
<DateTime '20100223T15:37:18Z' at 7f52d073b0e0>, 'other_config': {},
'name_label': 'SR.scan', 'allowed_operations': ['cancel'], 'finished':
<DateTime '19700101T00:00:00Z' at 7f52d200a680>, 'resident_on':
'OpaqueRef:45dad8ef-bc18-52b6-d38d-ea8f322ba7fa', 'result': '', 'progress':
0.0, 'name_description': '', 'error_info': [], 'type': '<none/>'}, 'operation':
'mod', 'ref': 'OpaqueRef:6a415814-2724-71ef-e2bb-740a0e4a66aa', 'id': '563546'}
SR.scan pending 0.0: {'timestamp': '1266939438.', 'class': 'task', 'snapshot':
{'status': 'pending', 'subtask_of': 'OpaqueRef:NULL', 'current_operations': {},
'subtasks': [], 'uuid': '639eedec-c84b-e924-c780-0c984f673bc4', 'created':
<DateTime '20100223T15:37:18Z' at 7f52d200a488>, 'other_config': {},
'name_label': 'SR.scan', 'allowed_operations': [], 'finished': <DateTime
'19700101T00:00:00Z' at 7f52d200a518>, 'resident_on':
'OpaqueRef:45dad8ef-bc18-52b6-d38d-ea8f322ba7fa', 'result': '', 'progress':
0.0, 'name_description': '', 'error_info': [], 'type': '<none/>'}, 'operation':
'add', 'ref': 'OpaqueRef:fff4f762-29c7-b58c-4bc4-74f4a673d98b', 'id': '563549'}
SR.scan pending 0.0: {'timestamp': '1266939438.', 'class': 'task', 'snapshot':
{'status': 'pending', 'subtask_of': 'OpaqueRef:NULL', 'current_operations': {},
'subtasks': [], 'uuid': '639eedec-c84b-e924-c780-0c984f673bc4', 'created':
<DateTime '20100223T15:37:18Z' at 7f52d200a7a0>, 'other_config': {},
'name_label': 'SR.scan', 'allowed_operations': ['cancel'], 'finished':
<DateTime '19700101T00:00:00Z' at 7f52d200a3f8>, 'resident_on':
'OpaqueRef:45dad8ef-bc18-52b6-d38d-ea8f322ba7fa', 'result': '', 'progress':
0.0, 'name_description': '', 'error_info': [], 'type': '<none/>'}, 'operation':
'mod', 'ref': 'OpaqueRef:fff4f762-29c7-b58c-4bc4-74f4a673d98b', 'id': '563550'}
**
Pango:ERROR:pango-layout.c:3736:pango_layout_check_lines: assertion failed:
(!layout->log_attrs)
Aborted (core dumped)

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