In an effort to find out why I increased the logging of retracer.py to return some information when there is a failure to retrace. It found the following for one of the crashes:
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,426:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:Apport did not return a crash_signature.
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,426:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:StacktraceTop:
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,426:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:g_variant_is_trusted (value=value@entry=0x0) at /build/buildd/glib2.0-2.40.0/./glib/gvariant-core.c:607
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,426:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:g_variant_builder_add_value (builder=0x7fff87ed0f10, value=0x0) at /build/buildd/glib2.0-2.40.0/./glib/gvariant.c:3430
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,426:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:?? ()
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,426:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:accounts_service_user_set_player ()
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,427:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:_start ()
/srv/app-logs/wekufe/prodstack-crashdb-retracer-logs/e-t-retracer-app-e2b40077-64b9-4a33-9fc1-0f9a9cfb2977/production-logs/retracer-amd64.log.amd64:2014-05-09 18:23:26,427:19824:140640901121792:INFO:root:d6b82cea-d7a6-11e3-a5e3-fa163e707a72:swift:Could not retrace.
So it looks to me like this one instance failed, based off my reading of apport's crash_signature function, because of the line with "?? ()" and the one with "_start ()".
This particular indicator-sound crash fails to retrace all the time:
https:/ /errors. ubuntu. com/problem/ 0c26bcadfdcdb7a eff92fd904054b0 c1eba9ab13
In an effort to find out why I increased the logging of retracer.py to return some information when there is a failure to retrace. It found the following for one of the crashes:
/srv/app- logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 426:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: Apport did not return a crash_signature. logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 426:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: StacktraceTop: logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 426:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: g_variant_ is_trusted (value= value@entry= 0x0) at /build/ buildd/ glib2.0- 2.40.0/ ./glib/ gvariant- core.c: 607 logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 426:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: g_variant_ builder_ add_value (builder= 0x7fff87ed0f10, value=0x0) at /build/ buildd/ glib2.0- 2.40.0/ ./glib/ gvariant. c:3430 logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 426:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: ?? () logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 426:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: accounts_ service_ user_set_ player () logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 427:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: _start () logs/wekufe/ prodstack- crashdb- retracer- logs/e- t-retracer- app-e2b40077- 64b9-4a33- 9fc1-0f9a9cfb29 77/production- logs/retracer- amd64.log. amd64:2014- 05-09 18:23:26, 427:19824: 140640901121792 :INFO:root: d6b82cea- d7a6-11e3- a5e3-fa163e707a 72:swift: Could not retrace.
/srv/app-
/srv/app-
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/srv/app-
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So it looks to me like this one instance failed, based off my reading of apport's crash_signature function, because of the line with "?? ()" and the one with "_start ()".