Re: 389 Deadlock

Ludwig Krispenz <lkrispen@xxxxxxxxxx> · Mon, 22 Jul 2013 16:42:57 +0200



    could you add the bt for thread 31 ?

    
    On 07/22/2013 03:58 PM, Jeffrey Dunham
      wrote:

    
        Hello,

          
          Starting a day ago we have been noticing deadlocks on select
          389 servers.  It does not happen on all of them (10% of
          servers have been affected currently, and no repeat
          offenders).

          
        Just looking for any hints on where to look or what could
          be causing this issue.

        
        Version: 389-Directory/1.2.10.14

          
          From GDB:

          0x00002b0df2847654 in __lll_lock_wait () from
          /lib64/libpthread.so.0

          (gdb) info threads

            40 Thread 0x2b0e86c91940 (LWP 10689)  0x00002b0df2b24122 in
          select () from /lib64/libc.so.6

            39 Thread 0x2b0e87692940 (LWP 10690)  0x00002b0df2b24122 in
          select () from /lib64/libc.so.6

            38 Thread 0x2b0e88093940 (LWP 10691)  0x00002b0df2b24122 in
          select () from /lib64/libc.so.6

            37 Thread 0x2b0e88a94940 (LWP 10692)  0x00002b0df2b24122 in
          select () from /lib64/libc.so.6

            36 Thread 0x2b0e89495940 (LWP 10734)  0x00002b0df2845019 in
          pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0

            35 Thread 0x2b0e89e96940 (LWP 10735)  0x00002b0df2845019 in
          pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0

            34 Thread 0x2b0e8a897940 (LWP 10736)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            33 Thread 0x2b0e8b298940 (LWP 10737)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            32 Thread 0x2b0e91f00940 (LWP 10738)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            31 Thread 0x2b0e92901940 (LWP 10739)  0x00002b0df2847654 in
          __lll_lock_wait () from /lib64/libpthread.so.0

            30 Thread 0x2b0e93302940 (LWP 10740)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            29 Thread 0x2b0e93d03940 (LWP 10741)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            28 Thread 0x2b0e94704940 (LWP 10742)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            27 Thread 0x2b0e95105940 (LWP 10743)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            26 Thread 0x2b0e95b06940 (LWP 10744)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            25 Thread 0x2b0e96507940 (LWP 10745)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            24 Thread 0x2b0e96f08940 (LWP 10746)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            23 Thread 0x2b0e97909940 (LWP 10747)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            22 Thread 0x2b0e9830a940 (LWP 10748)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            21 Thread 0x2b0e98d0b940 (LWP 10749)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            20 Thread 0x2b0e9970c940 (LWP 10750)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            19 Thread 0x2b0e9a10d940 (LWP 10751)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            18 Thread 0x2b0e9ab0e940 (LWP 10752)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            17 Thread 0x2b0e9b50f940 (LWP 10753)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            16 Thread 0x2b0e9bf10940 (LWP 10754)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            15 Thread 0x2b0e9c911940 (LWP 10755)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            14 Thread 0x2b0e9d312940 (LWP 10756)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            13 Thread 0x2b0e9dd13940 (LWP 10757)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            12 Thread 0x2b0e9e714940 (LWP 10758)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            11 Thread 0x2b0e9f115940 (LWP 10759)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            10 Thread 0x2b0e9fb16940 (LWP 10760)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            9 Thread 0x2b0ea0517940 (LWP 10761)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            8 Thread 0x2b0ea0f18940 (LWP 10762)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            7 Thread 0x2b0ea1919940 (LWP 10763)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            6 Thread 0x2b0ea231a940 (LWP 10764)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            5 Thread 0x2b0ea2d1b940 (LWP 10765)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            4 Thread 0x2b0ea371c940 (LWP 10766)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            3 Thread 0x2b0ea411d940 (LWP 10767)  0x00002b0df2845280 in
          pthread_cond_timedwait@@GLIBC_2.3.2 () from
          /lib64/libpthread.so.0

            2 Thread 0x2b0ea4b1e940 (LWP 10768)  0x00002b0df2b24122 in
          select () from /lib64/libc.so.6

          * 1 Thread 0x2b0df452a7e0 (LWP 10666)  0x00002b0df2847654 in
          __lll_lock_wait () from /lib64/libpthread.so.0

          (gdb) bt

          #0  0x00002b0df2847654 in __lll_lock_wait () from
          /lib64/libpthread.so.0

          #1  0x00002b0df2842f80 in _L_lock_1233 () from
          /lib64/libpthread.so.0

          #2  0x00002b0df2842f03 in pthread_mutex_lock () from
          /lib64/libpthread.so.0

          #3  0x00002b0df2204289 in PR_Lock () from
          /usr/lib64/libnspr4.so

          #4  0x0000000000415955 in ber_sockbuf_free ()

          #5  0x00000000004166f1 in ber_sockbuf_free ()

          #6  0x000000000041d7d4 in ?? ()

          #7  0x00002b0df2a739c4 in __libc_start_main () from
          /lib64/libc.so.6

          #8  0x000000000040c9b9 in ber_sockbuf_free ()

          #9  0x00007fff5cd57a98 in ?? ()

          #10 0x0000000000000000 in ?? ()

          
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