  PID: 3485 (tracker-extract)
           UID: 1001 (june)
           GID: 1001 (june)
        Signal: 31 (SYS)
     Timestamp: Wed 2016-12-14 21:59:05 EST (6min ago)
  Command Line: /usr/lib/tracker/tracker-extract
    Executable: /usr/lib/tracker/tracker-extract
 Control Group: /
         Slice: -.slice
       Boot ID: 054f108d255149e7b5a3a46d61732de8
    Machine ID: 11051830af9c49879a52cfb7a59e9fad
      Hostname: june-pc
       Storage: /var/lib/systemd/coredump/core.tracker-extract.1001.054f108d255149e7b5a3a46d61732de8.3485.1481770745000000000000.lz4
       Message: Process 3485 (tracker-extract) of user 1001 dumped core.
                
                Stack trace of thread 3632:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b7199565 __lxstat64@GLIBC_2.1 (libc.so.6)
                #2  0x00000000b7562f3a n/a (libgio-2.0.so.0)
                #3  0x00000000b755dfb3 n/a (libgio-2.0.so.0)
                #4  0x00000000b76626b4 tracker_file_get_size (libtracker-common.so.0)
                #5  0x00000000b331b279 tracker_extract_get_metadata (libextract-jpeg.so)
                #6  0x0000000008050b7c n/a (tracker-extract)
                #7  0x0000000008050c4b n/a (tracker-extract)
                #8  0x0000000008050cb9 n/a (tracker-extract)
                #9  0x00000000b730755a n/a (libglib-2.0.so.0)
                #10 0x00000000b7281301 start_thread (libpthread.so.0)
                #11 0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3498:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a115f poll (libc.so.6)
                #2  0x00000000b72eef70 g_poll (libglib-2.0.so.0)
                #3  0x00000000b72df4fc n/a (libglib-2.0.so.0)
                #4  0x00000000b72df634 g_main_context_iteration (libglib-2.0.so.0)
                #5  0x00000000b72df690 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3505:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a115f poll (libc.so.6)
                #2  0x00000000b72eef70 g_poll (libglib-2.0.so.0)
                #3  0x00000000b72df4fc n/a (libglib-2.0.so.0)
                #4  0x00000000b72df634 g_main_context_iteration (libglib-2.0.so.0)
                #5  0x00000000b43555fb n/a (libdconfsettings.so)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3592:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3593:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3594:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3595:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3596:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3618:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3619:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3620:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3621:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3622:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b73269be g_cond_wait (libglib-2.0.so.0)
                #3  0x00000000b72b270d n/a (libglib-2.0.so.0)
                #4  0x00000000b72b2d28 g_async_queue_pop_unlocked (libglib-2.0.so.0)
                #5  0x00000000b7308143 n/a (libglib-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3499:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a115f poll (libc.so.6)
                #2  0x00000000b72eef70 g_poll (libglib-2.0.so.0)
                #3  0x00000000b72df4fc n/a (libglib-2.0.so.0)
                #4  0x00000000b72df919 g_main_loop_run (libglib-2.0.so.0)
                #5  0x00000000b754ad55 n/a (libgio-2.0.so.0)
                #6  0x00000000b730755a n/a (libglib-2.0.so.0)
                #7  0x00000000b7281301 start_thread (libpthread.so.0)
                #8  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3627:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a6af7 syscall (libc.so.6)
                #2  0x00000000b7326b0b g_cond_wait_until (libglib-2.0.so.0)
                #3  0x00000000b72b26ba n/a (libglib-2.0.so.0)
                #4  0x00000000b7307f99 n/a (libglib-2.0.so.0)
                #5  0x00000000b730755a n/a (libglib-2.0.so.0)
                #6  0x00000000b7281301 start_thread (libpthread.so.0)
                #7  0x00000000b71ab0ae __clone (libc.so.6)
                
                Stack trace of thread 3485:
                #0  0x00000000b77cace5 __kernel_vsyscall (linux-gate.so.1)
                #1  0x00000000b71a115f poll (libc.so.6)
                #2  0x00000000b72eef70 g_poll (libglib-2.0.so.0)
                #3  0x00000000b72df4fc n/a (libglib-2.0.so.0)
                #4  0x00000000b72df919 g_main_loop_run (libglib-2.0.so.0)
                #5  0x000000000804f346 main (tracker-extract)
                #6  0x00000000b70da196 __libc_start_main (libc.so.6)
                #7  0x000000000804f3d7 _start (tracker-extract)

GNU gdb (GDB) 7.12
Copyright (C) 2016 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 "i686-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
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For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/lib/tracker/tracker-extract...(no debugging symbols found)...done.
[New LWP 3632]
[New LWP 3498]
[New LWP 3505]
[New LWP 3592]
[New LWP 3593]
[New LWP 3594]
[New LWP 3595]
[New LWP 3596]
[New LWP 3618]
[New LWP 3619]
[New LWP 3620]
[New LWP 3621]
[New LWP 3622]
[New LWP 3499]
[New LWP 3627]
[New LWP 3485]
[New LWP 3631]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `/usr/lib/tracker/tracker-extract'.
Program terminated with signal SIGSYS, Bad system call.
#0  0xb77cace5 in __kernel_vsyscall ()
[Current thread is 1 (Thread 0xac780b40 (LWP 3632))]
(gdb) t a a bt

Thread 17 (Thread 0xacff3b40 (LWP 3631)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in 
Thread 16 (Thread 0xb456c940 (LWP 3485)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0x0804f346 in main ()

Thread 15 (Thread 0xad7f4b40 (LWP 3627)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in 
Thread 14 (Thread 0xb3b2fb40 (LWP 3499)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 13 (Thread 0xadff5b40 (LWP 3622)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 12 (Thread 0xae7f6b40 (LWP 3621)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 11 (Thread 0xaeff7b40 (LWP 3620)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 10 (Thread 0xaf7f8b40 (LWP 3619)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 9 (Thread 0xafff9b40 (LWP 3618)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 8 (Thread 0xb07fab40 (LWP 3596)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 7 (Thread 0xb0ffbb40 (LWP 3595)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 6 (Thread 0xb17fcb40 (LWP 3594)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 5 (Thread 0xb1ffdb40 (LWP 3593)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 4 (Thread 0xb27feb40 (LWP 3592)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 3 (Thread 0xb2fffb40 (LWP 3505)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 2 (Thread 0xb4330b40 (LWP 3498)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0xffffffff in #7  0xffffffff in #8  0xffffffff in 
Thread 1 (Thread 0xac780b40 (LWP 3632)):
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#0  0xffffffff in #1  0xffffffff in #2  0xffffffff in #3  0xffffffff in #4  0xffffffff in #5  0xffffffff in #6  0x08050b7c in  ()
#7  0x08050c4b in  ()
#8  0x08050cb9 in  ()
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
Python Exception <class 'SystemError'> <built-in function isinstance> returned a result with an error set: 
#9  0xffffffff in #10 0xffffffff in #11 0xffffffff in (gdb) 

