A fix is available
APAR status
Closed as program error.
Error description
System can crash with the following stack trace, when system is performing DMA operations on mmapped address/buffers:- CPU 1 CSA F00000002FF47600 at time of crash, error code for LEDs: 70000000 pvthread+01C900 STACK: [000EBD90]xmemdma64_list+000430 (800000281BE00001, F1000A08058A3090, 000000003048B000, 000000000000000E, 000000000082FD97, 000000000000048C [??]) [041ABF1C]d_map_list_tce+0014DC (??, ??, ??, ??, ??) [042A5B3C]efc_mapdma_iocb+0006BC (??, ??) [042AAFA8]efc_start+000508 (??) [042ABD0C]efc_output+00066C (??, ??) [04344BF8]efsc_start+000938 (??, ??) [04348B9C]efsc_strategy+00101C (??) [042F9DB0]efsc_sciocmd+000EB0 (??, ??, ??, ??) [04302E8C]efsc_ioctl+00062C (??, ??, ??, ??, ??, ??) [0056FFC0]rdevioctl+0000C0 (??, ??, ??, ??, ??, ??) [00747E60]spec_ioctl+000080 (??, ??, ??, ??, ??, ??) [0059FFF0]vnop_ioctl+000050 (??, ??, ??, ??, ??, ??) [005B597C]vno_ioctl+00009C (??, ??, ??, ??, ??) [0068A5D8]common_ioctl+0000F8 (??, ??, ??, ??) [00003850]ovlya_addr_sc_flih_main+000130 () [kdb_get_virtual_memory] no real storage @ 2FF219B8 [D0130EF4]D0130EF4 ()
Local fix
Problem summary
System crash with a stack that includes: 000EBD90 xmemdma64_list+000430 (... 041ABF1C d_map_list_tce+0014DC (... This problem exists only on machines with 2GB or less memory.
Problem conclusion
Increase the size of the APT hash mask on small memory systems.
Temporary fix
Comments
6100-07 - use AIX APAR IV55694 6100-08 - use AIX APAR IV56438 6100-09 - use AIX APAR IV56494 6100-09 - use AIX APAR IV56494 6100-09 - use AIX APAR IV56494 7100-01 - use AIX APAR IV57489 7100-02 - use AIX APAR IV56932 7100-03 - use AIX APAR IV56671 7100-04 - use AIX APAR IV56666
APAR Information
APAR number
IV56494
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-03-10
Closed date
2014-03-11
Last modified date
2016-05-10
APAR is sysrouted FROM one or more of the following:
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 U859304
UP14/05/21 I 1000
PTF to Fileset Mapping
U859304 bos.mp64 6.1.9.15
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSLLZP","label":"AIX Standard Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11Q","label":"AIX 6.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"APARs - AIX 7.1 environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
10 May 2016