A fix is available
Closed as program error.
Communications Server for AIX ----------------------------- Crash in sna_mux.
USERS AFFECTED: All using the back-level LU6.2 APIs. PROBLEM DESCRIPTION: Dump stack: CPU 0 CSA F000000030033600 at time of crash, error code for LEDs: 30000000 pvthread+002300 STACK: ___memmove64+000024 () sna_mux64:vba_buf_to_mblk_copy+000164 (F1000E0004615D00, 000000C8000000C8, F1000E0006B1C11C, 0000000800000008) sna_mux64:tps_parsed_ltv+000204 (0008000000000008, 0003000000000003, F1000E0006B1C11C, 0F00023A0F00023A) sna_mux64:tps_parse_ltv+0000D4 (F1000E0006B1C11C, 0000006000000060, F1000000C078E090, 0F00023A0F00023A) sna_mux64:tps_rcv_query_dload_rsp+000234 (F1000E0006B1C100) sna_mux64:tps_receive_proc+0000EC (0000000000000000, 0FFFFFFFF007F9A0, F1000000C06E5B58) sna_ddpmgr64:sna_p_vpm_rcv_datagram+000180 (F1000E0006C301D8, F1000E0006B1C100, 0FFFFFFFF007FA60) sna_ddpmgr64:vpm_rcv_msg+0000C8 (F1000E0006C30100) sna_ddpmgr64:sna_p_vpm_stream_r_svc+00002C (F1000E000425DC00) pse:sq_wrapper+000134 (??)pse:csq_run+00029C (??) pse:csq_lateral+00036C (??, ??, ??) pse:scheduled_run+000100 () .hkey_legacy_gate+00004C () Netintr+0002F8 () netisr_thread+000020 () threadentry+000094 (??, ??, ??, ??) PROBLEM SUMMARY: The crash occurs when loading a back level LU 6.2 application. The problem is introduced by a previous fix (LI75513) which was included, though not listed, in the 220.127.116.11 level. The TP Server code is shared between the user space TP Server daemon and APPC libraries and the kernel space back-level LU 6.2 code. The fix was not correct for the kernel code where a message was used twice. In most cases thise was harmless, but when an unitialized field matched a control block index, we tried to release a streams message before we had finished using it, and hence caused the crash.
Code has been maltered to apply the previous fix to only the user space code, because there is no need for the extra error checking in the kernel space back-level code.
Reported component name
CS AIX V6.X
Reported component ID
Last modified date
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fixed component name
CS AIX V6.X
Fixed component ID
Applicable component levels
R640 PSY U851826
12/09/11 I 1000
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