On Wed, Nov 11, 2009 at 15:11, Philip Van Hoof<[email protected]> wrote:
> On Wed, 2009-11-11 at 10:00 +0200, Tshepang Lekhonkhobe wrote:
>> 2009/11/10 Philip Van Hoof <[email protected]>:
>> > On Tue, 2009-11-10 at 17:14 +0200, Tshepang Lekhonkhobe wrote:
>> >> On Tue, Nov 10, 2009 at 17:08, Tshepang Lekhonkhobe<[email protected]>
>> >> wrote:
>
>> >> >> We'll need to you to run valgrind with
>> >> >>
>> >> >> export G_SLICE=always-malloc
>> >> >> export G_DEBUG=gc-friendly
>> >> >>
>> >> >> And reproduce to find this issue
>
> This is again the gslice magazine allocator. To find the issue you need
> to reproduce always with these things set as environment variables
> before using the debugging tools gdb and valgrind.
>
> export G_SLICE=always-malloc
> export G_DEBUG=gc-friendly
>
> Run both gdb and valgrind
results of this cmd:
$ G_SLICE=always-malloc G_DEBUG=gc-friendly gdb /usr/libexec/tracker-miner-fs
[snip]
(tracker-miner-fs:12047): Tracker-CRITICAL **: Could not execute
sparql: 13.25: syntax error, unexpected end of query, expected }
Program received signal SIGSEGV, Segmentation fault.
0xb7cce5fe in IA__g_type_check_instance_is_a (type_instance=0x837c408,
iface_type=20) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/gobject/gtype.c:3695
3695
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/gobject/gtype.c:
No such file or directory.
in
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/gobject/gtype.c
(gdb) thread apply all bt
Thread 28 (Thread 0xb7799b70 (LWP 12473)):
#0 0xb7fe1424 in __kernel_vsyscall ()
#1 0xb7dd83e2 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2 0xb7dca06d in g_cond_timed_wait_posix_impl (cond=0x8068c08,
entered_mutex=0x80, abs_time=0x33975)
at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/gthread/gthread-posix.c:242
#3 0xb7c00b19 in g_async_queue_pop_intern_unlocked (queue=0x8070fc8,
try=<value optimized out>, end_time=0xb77992e4)
at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gasyncqueue.c:365
#4 0xb7c537a8 in g_thread_pool_wait_for_new_task (data=0x8078fe8) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gthreadpool.c:220
#5 g_thread_pool_thread_proxy (data=0x8078fe8) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gthreadpool.c:254
#6 0xb7c5211f in g_thread_create_proxy (data=0x8239468) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gthread.c:635
#7 0xb7dd4595 in start_thread (arg=0xb7799b70) at pthread_create.c:300
#8 0xb7b3918e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Thread 1 (Thread 0xb7a04a50 (LWP 12047)):
#0 0xb7cce5fe in IA__g_type_check_instance_is_a
(type_instance=0x837c408, iface_type=20) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/gobject/gtype.c:3695
#1 0xb7cb5ddc in IA__g_object_unref (_object=0x837c408) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/gobject/gobject.c:2415
#2 0xb7e4b584 in process_data_free (data=0x82e63c8) at tracker-miner-fs.c:473
#3 0xb7e4cf28 in sparql_update_cb (miner=0x8079170, error=0x0,
user_data=0x82e63c8) at tracker-miner-fs.c:812
#4 0xb7e49529 in run_update_callback (error=0x0, user_data=0x83ed2b8)
at tracker-miner.c:764
#5 sparql_update_cb (error=0x0, user_data=0x83ed2b8) at tracker-miner.c:788
#6 0xb7e6efee in tracker_void_reply (proxy=0x8078b10, error=0x0,
user_data=0x853bec0) at tracker.c:98
#7 0xb7e6e8b8 in
org_freedesktop_Tracker1_Resources_batch_sparql_update_async_callback
(proxy=0x8078b10, call=0x52c6f, user_data=0x83b56e8) at
tracker-resources-glue.h:155
#8 0xb7e2c53f in ?? () from /usr/lib/libdbus-glib-1.so.2
#9 0xb7e04e51 in ?? () from /lib/libdbus-1.so.3
#10 0xb7df4d56 in ?? () from /lib/libdbus-1.so.3
#11 0xb7df5a5c in dbus_connection_dispatch () from /lib/libdbus-1.so.3
#12 0xb7e27bdd in ?? () from /usr/lib/libdbus-glib-1.so.2
#13 0xb7c27e98 in g_main_dispatch (context=0x806eca8) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:1960
#14 IA__g_main_context_dispatch (context=0x806eca8) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:2513
#15 0xb7c2b623 in g_main_context_iterate (context=0x806eca8, block=1,
dispatch=1, self=0x805c8f0) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:2591
#16 0xb7c2baea in IA__g_main_loop_run (loop=0x8079110) at
/build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:2799
#17 0x08050c0c in main (argc=134678792, argv=0x2) at tracker-main.c:343
> Also try G_DEBUG=fatal-criticals when you see CRITICAL warnings passing
> by
will send this soon as it happens; it's currently running
will send also valgrind results
--
my place on the web:
floss-and-misc.blogspot.com
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