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[Alexandre Anriot <alexandre@xxxxxxxxxxxxxx>]

Public bug reported:

Hello,

We are getting this error on Debian 7.8 amd64, with MariaDB 10.0.17 and
either mydumper 0.6.2 or head.

Here is the backtrace.

Could you check this?

Thanks a lot.

-----8<-----
GNU gdb (GDB) 7.4.1-debian
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show
copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/local/bin/mydumper...done.
(gdb) run
Starting program: /usr/local/bin/mydumper
[Thread debugging using libthread_db enabled]
Using host libthread_db library
"/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff5df3700 (LWP 12652)]
[New Thread 0x7ffff55f2700 (LWP 12653)]
[New Thread 0x7ffff4df1700 (LWP 12654)]
[New Thread 0x7ffff45f0700 (LWP 12655)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6038042 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) thread apply all bt

Thread 5 (Thread 0x7ffff45f0700 (LWP 12655)):
#0  0x00007ffff79ca344 in pthread_cond_wait@@GLIBC_2.3.2 ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff685069f in g_cond_wait ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff67eaf6b in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff67eb416 in g_async_queue_pop ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x000000000041cfd0 in process_queue (td=0x959840)
at /tmp/mydumper-0.6.2/mydumper.c:415
#5  0x00007ffff6836f45 in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff79c5b50 in start_thread ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff60db95d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ffff4df1700 (LWP 12654)):
#0  0x00007ffff79ca344 in pthread_cond_wait@@GLIBC_2.3.2 ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff685069f in g_cond_wait ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff67eaf6b in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff67eb416 in g_async_queue_pop ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x000000000041cfd0 in process_queue (td=0x959830)
at /tmp/mydumper-0.6.2/mydumper.c:415
#5  0x00007ffff6836f45 in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff79c5b50 in start_thread ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff60db95d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ffff55f2700 (LWP 12653)):
#0  0x00007ffff79ca344 in pthread_cond_wait@@GLIBC_2.3.2 ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff685069f in g_cond_wait ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff67eaf6b in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff67eb416 in g_async_queue_pop ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x000000000041cfd0 in process_queue (td=0x959820)
at /tmp/mydumper-0.6.2/mydumper.c:415
---Type <return> to continue, or q <return> to quit---
#5  0x00007ffff6836f45 in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff79c5b50 in start_thread ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff60db95d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ffff5df3700 (LWP 12652)):
#0  0x00007ffff79ca344 in pthread_cond_wait@@GLIBC_2.3.2 ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff685069f in g_cond_wait ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff67eaf6b in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff67eb416 in g_async_queue_pop ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x000000000041cfd0 in process_queue (td=0x959810)
at /tmp/mydumper-0.6.2/mydumper.c:415
#5  0x00007ffff6836f45 in ?? ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff79c5b50 in start_thread ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff60db95d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7fed700 (LWP 12649)):
#0  0x00007ffff6038042 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x000000000041963f in dump_database (conn=0x88, database=0x99ccf8
"mysql") at /tmp/mydumper-0.6.2/mydumper.c:1554
#2  0x000000000041ba6b in start_dump (conn=0x957038)
at /tmp/mydumper-0.6.2/mydumper.c:1160
#3  0x00000000004181f6 in main (argc=1, argv=0x7fffffffe708)
at /tmp/mydumper-0.6.2/mydumper.c:777
----->8-----

** Affects: mydumper
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1446280

Title:
  Segmentation fault on Debin Wheezy

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