IV30842: TELNET, SSH, CONSOLE HANGS APPLIES TO AIX 6100-08

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Any streams open or close will hang along with a few
  special IOCTLs.  Generally this is seen as a hang of
  telnet, ssh, rlogin, and the console.
  
  There will be a process with the following stack:
  
  pvthread+0A7000 STACK:
  [F1000000C01B5830]pse:csq_cleanup@AF39_8+000090
  (F1000E004645B9B0, F1000E004645B888 [??])
  [F1000000C01E4B90]pse:osr_pop_subr+000490 (??, ??)
  [F1000000C01BCE44]pse:osr_close_subr+000324 (??)
  [F1000000C01BD8F0]pse:pse_close+000690 (??, ??, ??, ??)
  [00014D70].hkey_legacy_gate+00004C ()
  [0066668C]kwpar_ddclose+00002C (??, ??, ??, ??)
  [00597100]devcclose+0002A0 (??, ??)
  [00781DE0]spec_close+0000E0 (??, ??, ??, ??)
  [005C8ED4]vnop_close+000094 (??, ??, ??, ??)
  [005DD508]vno_close+000048 (??)
  [0066D0C4]closef+000124 (??)
  [005863C4]closefd+000144 (??, ??)
  [005866F4]closex+000274 (??, ??)
  [005869D4]close+000174 (??)
  [0000386C]ovlya_addr_sc_flih_main+00014C ()
  
  The system will also have the fix to IV15790 or one of
  its
  sister APARs.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:
  * Systems running AIX 6.1 6100-08 Technology Level with the
  * bos.rte.tty fileset at the 6.1.8.0 level.
  ****************************************************************
  * PROBLEM DESCRIPTION:
  * Telnet or ssh sessions may hang with a stack trace similar
  * to:
  *
  * pvthread+0A7000 STACK:
  *  F1000000C01B5830 pse:csq_cleanup@AF39_8+000090
  * (F1000E004645B9B0, F1000E004645B888  ?? )
  *  F1000000C01E4B90 pse:osr_pop_subr+000490 (??, ??)
  *  F1000000C01BCE44 pse:osr_close_subr+000324 (??)
  *  F1000000C01BD8F0 pse:pse_close+000690 (??, ??, ??, ??)
  *  00014D70 .hkey_legacy_gate+00004C ()
  *  0066668C kwpar_ddclose+00002C (??, ??, ??, ??)
  *  00597100 devcclose+0002A0 (??, ??)
  *  00781DE0 spec_close+0000E0 (??, ??, ??, ??)
  *  005C8ED4 vnop_close+000094 (??, ??, ??, ??)
  *  005DD508 vno_close+000048 (??)
  *  0066D0C4 closef+000124 (??)
  *  005863C4 closefd+000144 (??, ??)
  *  005866F4 closex+000274 (??, ??)
  *  005869D4 close+000174 (??)
  *  0000386C ovlya_addr_sc_flih_main+00014C ()
  ****************************************************************
  * RECOMMENDATION:
  * Install APAR IV30842.
  ****************************************************************
  

Problem conclusion

• code change is being made to handle streams properly
  by using flags especially when queue is about to close
  

Temporary fix

Comments

APAR Information

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

  IV24570

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

Fix information

• Fixed component name

  AIX 610 STD EDI

• Fixed component ID

  5765G6200

Applicable component levels

• R610 PSY U855330

     UP13/11/20 I 1000

PTF to Fileset Mapping

• U846062 bos.rte.tty 6.1.8.15

• U853853 bos.rte.tty 6.1.8.1