Bug 702276 – Deadlock when connecting to a server

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Bug 702276 - Deadlock when connecting to a server


Summary:	Deadlock when connecting to a server


Status:	RESOLVED FIXED

Product:	evolution-mapi
Classification:	Applications
Component:	Mail
Version:	3.8.x
Hardware:	Other Linux

Importance:	Normal critical
Target Milestone:	---
Assigned To:	evolution-mapi-maint
QA Contact:	evolution-mapi-maint

URL:
Whiteboard:

Depends on:
Blocks:

Reported:	2013-06-14 16:03 UTC by Milan Crha
Modified:	2013-06-14 18:35 UTC

See Also:
GNOME target:	---
GNOME version:	---

Attachments
ema patch (716 bytes, patch) 2013-06-14 16:05 UTC, Milan Crha	committed	Details \| Review

Description Milan Crha 2013-06-14 16:03:48 UTC

Part of downstream bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=969905

The below shows a deadlock when connecting to a server. Despite missing debug info, the Thread 9 is waiting for a lock held by Thread 8.

+ Trace 232060

Thread 9 (Thread 0x7f261c623700 (LWP 1881))

#0 __lll_lock_wait
from /lib64/libpthread.so.0
#1 _L_lock_839
from /lib64/libpthread.so.0
#2 pthread_mutex_lock
from /lib64/libpthread.so.0
#3 mapi_authenticate_sync
from /usr/lib64/evolution-data-server/camel-providers/libcamelmapi.so
#4 camel_service_authenticate_sync
from /lib64/libcamel-1.2.so.43
#5 mail_authenticator_try_password_sync
from /usr/lib64/evolution/3.8/libemail-engine.so
#6 source_registry_authenticate_authenticate_cb
from /lib64/libedataserver-1.2.so.17
#7 ffi_call_unix64
from /lib64/libffi.so.6
#8 ffi_call
from /lib64/libffi.so.6
#9 g_cclosure_marshal_generic
from /lib64/libgobject-2.0.so.0
#10 g_closure_invoke
from /lib64/libgobject-2.0.so.0
#11 signal_emit_unlocked_R
from /lib64/libgobject-2.0.so.0
#12 g_signal_emitv
from /lib64/libgobject-2.0.so.0
#13 e_dbus_authenticator_proxy_g_signal
from /lib64/libebackend-1.2.so.6
#14 ffi_call_unix64
from /lib64/libffi.so.6
#15 ffi_call
from /lib64/libffi.so.6
#16 g_cclosure_marshal_generic
from /lib64/libgobject-2.0.so.0
#17 g_closure_invoke
from /lib64/libgobject-2.0.so.0
#18 signal_emit_unlocked_R
from /lib64/libgobject-2.0.so.0
#19 g_signal_emit_valist
from /lib64/libgobject-2.0.so.0
#20 g_signal_emit
from /lib64/libgobject-2.0.so.0
#21 on_signal_received
from /lib64/libgio-2.0.so.0
#22 emit_signal_instance_in_idle_cb
from /lib64/libgio-2.0.so.0
#23 g_main_context_dispatch
from /lib64/libglib-2.0.so.0
#24 g_main_context_iterate.isra.22
from /lib64/libglib-2.0.so.0
#25 g_main_loop_run
from /lib64/libglib-2.0.so.0
#26 e_source_registry_authenticate_sync
from /lib64/libedataserver-1.2.so.17
#27 mail_session_authenticate_sync
from /usr/lib64/evolution/3.8/libemail-engine.so
#28 camel_session_authenticate_sync
from /lib64/libcamel-1.2.so.43
#29 mapi_connect_sync
from /usr/lib64/evolution-data-server/camel-providers/libcamelmapi.so
#30 service_connect_thread
from /lib64/libcamel-1.2.so.43
#31 run_in_thread
from /lib64/libgio-2.0.so.0
#32 io_job_thread
from /lib64/libgio-2.0.so.0
#33 g_task_thread_pool_thread
from /lib64/libgio-2.0.so.0
#34 g_thread_pool_thread_proxy
from /lib64/libglib-2.0.so.0
#35 g_thread_proxy
from /lib64/libglib-2.0.so.0
#36 start_thread
from /lib64/libpthread.so.0
#37 clone
from /lib64/libc.so.6

Comment 1 Milan Crha 2013-06-14 16:05:33 UTC

Created attachment 246822 [details] [review]
ema patch

for evolution-mapi;

Patch to avoid deadlock.

Comment 2 Milan Crha 2013-06-14 18:35:38 UTC

Created commit 4cf0578 in ema master (3.9.3+)
Created commit fdc7aea in ema gnome-3-8 (3.8.4+)