VCS5.1SP1RP1_AIX5.3: GAB: Port h halting system due to client process failure at [14:1019]. Two threads of 'had' were in stuck state after calling 'complex_lock_sleep_ppc()'.

Problem

VCS5.1SP1RP1_AIX5.3: GAB: Port h halting system due to client process failure at [14:1019]. Two threads of 'had' were in stuck state after calling 'complex_lock_sleep_ppc()'.

Error Message

     CRASH INFORMATION:
       CPU 2 CSA F00000002FF47600 at time of crash, error code for LEDs:
70000000
       pvthread+02C900 STACK:
       [0003B6F0].panic_trap+000000 ()
       [045AFCB0]gab_halt+000074 ()
       [045AFCB0]gab_halt+000074 ()
       [045A96B8]gab_kill_process+0000B0 ()
       [0459EDE8]gab_timerscan+00039C ()
       [045999FC]gab_timeout_daemon+00008C ()
       [001724C8]procentry+000010 ()

Stacks of threads of 'had' daemon

-------------------------------------------
pvthread+031500 STACK:
[002FD41C]complex_lock_sleep_ppc+000168 ()
[002FDB3C]lock_read_ppc+0002C4 ()
[002CED18]j2_lookup+000070 ()
[0040CB60]vnop_lookup+00006C ()
[003DA478]lookuppn+000664 ()
[003DAAE8]lookupname_internal+0000F8 ()
[003DAB50]lookupname_cur+000024 ()
[003DABA4]lookupname+00001C ()
[0044D23C]statx+000190 ()
[00003810].svc_instr+000110 ()

STACK FOR ANOTHER THREAD of 'had':
===============================
pvthread+032000 STACK:
[002FD41C]complex_lock_sleep_ppc+000168 ()  

[002FDB3C]lock_read_ppc+0002C4 ()
[002CED18]j2_lookup+000070 ()
[0040CB60]vnop_lookup+00006C ()
[003DA478]lookuppn+000664 ()
[0044EC64]openpnp+000788 ()
[0044ED9C]openpath+0000BC ()
[0044F07C]copen+000218 ()
[0044E478]open+00001C ()
[00003810].svc_instr+000110 ()

 

Cause

The two kernel threads of  the 'had' daemon were stuck in JFS related calls.

Solution

Per IBM's RCA, the 'xmtopas' was disbaled. Please contact IBM for any future assistance.