Re: 389 Deadlock

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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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