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LO70764: IMAP HANG WHEN MULTIPLE THREADS ATTEMPTING TO ACCESS SAME DATABASE

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You can track all active APARs for this component.

 

APAR status

  • Closed as returned (APAR cannot be resolved without additional info from IBM or customer.)

Error description

  • IMAP Long Held Lock while fetching data


*First Long Held Lock for this matter:

[17432772:00250-62452] LkMgr BEGIN Long Held Lock Dump
------------------
[17432772:00250-62452] Lock(Mode=X  * LockID(RRV
DB=/local/mgamac05a/imap/service.nsf RRV=6922)) Waiters
countNonIntentLocks = 1 countIntentLocks = 0, queuLength = 2
[17432772:00250-62452]    Req(Status=Granted Mode=X Class=Short
Nest=0 Cnt=1
[17432772:00250-62452]        Tran=0 Func=N/A dex/dbbuf.c:173
[15466670:00291-06426])
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] index_dbbuf_c:1664
[17432772:00250-62452] nsfimap_c:5397
[17432772:00250-62452] nsfsem9_c:1240
[17432772:00250-62452] nsfsem9_c:1113
[17432772:00250-62452]    Req(Status=Waiting Mode=X Class=Short
Nest=0 Cnt=0
[17432772:00250-62452]        Tran=0 Func=N/A dex/dbbuf.c:173
[15466670:00286-06169] Delay=1min)
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] index_dbbuf_c:1664
[17432772:00250-62452] nsfimap_c:5707
[17432772:00250-62452] nsfsem9_c:1270
[17432772:00250-62452] nsfsem9_c:1113
[17432772:00250-62452]    Req(Status=Waiting Mode=X Class=Short
Nest=0 Cnt=0
[17432772:00250-62452]        Tran=0 Func=N/A dex/dbbuf.c:173
[15466670:00284-05655] Delay=1min)
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] index_dbbuf_c:1664
[17432772:00250-62452] nsfimap_c:5707
[17432772:00250-62452] nsfsem9_c:1270
[17432772:00250-62452] nsfsem9_c:1113
[17432772:00250-62452] Lock(Mode=SIX* LockID(DB
DB=/local/mgamac05a/imap/service.nsf)) Waiters
countNonIntentLocks = 1 countIntentLocks = 4, queuLength = 2
[17432772:00250-62452]    Req(Status=Granted Mode=SIX
Class=Manual Nest=0 Cnt=1
[17432772:00250-62452]        Tran=0 Func=N/A nsfsem9.c:1278
[15466670:00291-06426])
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:169
[17432772:00250-62452] nsfsem1_c:1020
[17432772:00250-62452] nsfsem9_c:1113
[17432772:00250-62452]    Req(Status=Downgraded Mode=IS
CnvMode=SIX Class=Manual Nest=0 Cnt=1
[17432772:00250-62452]        Tran=0 Func=N/A nsfsem9.c:1278
[15466670:00286-06169])
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:169
[17432772:00250-62452] nsfsem1_c:1020
[17432772:00250-62452] nsfsem9_c:1270
[17432772:00250-62452] nsfsem9_c:1113
[17432772:00250-62452]    Req(Status=Downgraded Mode=IS
CnvMode=SIX Class=Manual Nest=0 Cnt=1
[17432772:00250-62452]        Tran=0 Func=N/A nsfsem9.c:1278
[15466670:00284-05655])
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:169
[17432772:00250-62452] nsfsem1_c:1020
[17432772:00250-62452] nsfsem9_c:1270
[17432772:00250-62452] nsfsem9_c:1113
[17432772:00250-62452]    Req(Status=Converting Mode=IS
CnvMode=SIX Class=Manual Nest=0 Cnt=2
[17432772:00250-62452]        Tran=0 Func=N/A m/lkmgr.cpp:159
[15466670:00292-02057] Delay=1min)
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:169
[17432772:00250-62452] nsfsem1_c:1020
[17432772:00250-62452] nsfsem9_c:352
[17432772:00250-62452]    Req(Status=Waiting Mode=S
Class=Manual Nest=0 Cnt=0
[17432772:00250-62452]        Tran=0 Func=N/A nsfsem3.c:1113
[15466670:00285-05912] Delay=1min)
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:533
[17432772:00250-62452] nsfsem1_c:1141
[17432772:00250-62452] nsfsem3_c:1109
[17432772:00250-62452] LkMgr END Long Held Lock Dump
------------------

. . .

*Insufficient memory errors started:
[15466670:00007-00772] 07/25/2012 17:24:50   IMAP Server Error:
Insufficient memory - INetTask Pool

. . .
*Last Long Held Lock Dump before the shutdown:

[17432772:00250-62452] LkMgr BEGIN Long Held Lock Dump
------------------
[17432772:00250-62452] Lock(Mode=SIX* LockID(DB
DB=/local/mgamac05a/imap/service.nsf)) Waiters
countNonIntentLocks = 1 countIntentLocks = 4, queuLength = 45
[17432772:00250-62452]    Req(Status=Granted Mode=SIX
Class=Manual Nest=0 Cnt=1
[17432772:00250-62452]        Tran=0 Func=N/A nsfsem9.c:1278
[15466670:00291-06426])
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:169
[17432772:00250-62452] nsfsem1_c:1020
[17432772:00250-62452] nsfsem9_c:1113
[17432772:00250-62452]    Req(Status=Converting Mode=IS
CnvMode=SIX Class=Manual Nest=0 Cnt=2
[17432772:00250-62452]        Tran=0 Func=N/A m/lkmgr.cpp:159
[15466670:00292-02057] Delay=650min)
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:169
[17432772:00250-62452] nsfsem1_c:1020
[17432772:00250-62452] nsfsem9_c:352
[17432772:00250-62452]    Req(Status=Waiting Mode=S
Class=Manual Nest=0 Cnt=0
[17432772:00250-62452]        Tran=0 Func=N/A nsfsem3.c:1113
[15466670:00285-05912] Delay=650min)
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:533
[17432772:00250-62452] nsfsem1_c:1141
[17432772:00250-62452] nsfsem3_c:1109
[17432772:00250-62452]    Req(Status=Waiting Mode=SIX
Class=Manual Nest=0 Cnt=0
[17432772:00250-62452]        Tran=0 Func=N/A nsfsem9.c:373
[15466670:00047-02571] Delay=646min)
[17432772:00250-62452] rm_lkmgr_cpp:2070
[17432772:00250-62452] rm_lkmgr_cpp:1306
[17432772:00250-62452] nsfsem1_c:169
[17432772:00250-62452] nsfsem1_c:1020
[17432772:00250-62452] nsfsem9_c:352
[17432772:00250-62452]    Req(Status=Converting Mode=IS
CnvMode=SIX Class=Manual Nest=0 Cnt=1
[17432772:00250-62452]        Tran=0 Func=N/A m/lkmgr.cpp:159
[15466670:00286-06169] Delay=645min)
. . .

###################################
###### thread 41/47 :: imap, pid=15466670, tid=30736449,
ptid=6426) ######
###################################
[1] 0x09000000001323ec  __fd_select(??, ??, ??, ??, ??) + 0xcc
[2] 0x0900000000e23be0  select(0x0, 0x0, 0x0, 0x0, 0x1174ac120)
+ 0x28
[3] 0x0900000000e23b74  unix_usleep(0x186a0000186a0) + 0x6c
[4] 0x0900000000cc41e4  OSDelayThread(0x6400000064) + 0x48
[5] 0x000000010003fb08  FetchNotesCallback(0x70000000c449040,
0x0, 0x5ccf00005ccf, 0x16300000163, 0x100000001, 0x0, 0x0, 0x0)
+ 0x150
[6] 0x09000000013a8f00  NSFDbIMAPFetchNotes(0x63500000635,
0x200041ea200041ea, 0xc018dec9c018dec9, 0x0, 0x0, 0x0,
0x1002400010024, 0x110015e88) + 0x568
[7] 0x000000010003f830  FetchProcess(void*,unsigned
int)(0x70000000c449040, 0x1468000014680) + 0x11c
[8] 0x0000000100016dd4  IMAPThreadProc(0x0) + 0x468
[9] 0x0900000000cc0700  ThreadWrapper(0x0) + 0x118
[10] 0x0900000000a0cd50  _pthread_body(??) + 0xf0

Local fix

  • restart Domino

Problem summary

  • 



Problem conclusion


    

  • 



Temporary fix


    

  • 



Comments


    

  • This APAR is associated with SPR# RSWG89R3NL.
The record was returned to the person who created it for more
 information.

    



APAR Information




    

  • APAR number
    LO70764
    • 

  • Reported component name
    DOMINO SERVER
    • 

  • Reported component ID
    5724E6200
    • 

  • Reported release
    853
    • 

  • Status
    CLOSED  RET
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-07-26
    • 

  • Closed date
    2015-06-26
    • 

  • Last modified date
    2015-06-26
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU055","label":"Cognitive Applications"},"Product":{"code":"SSKTMJ","label":"Lotus Domino"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.5.3","Edition":"","Line of Business":{"code":"","label":""}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            26 June 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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