A fix is available
APAR status
Closed as program error.
Error description
When ipsec is enabled on a system with ipv6 configured, system crashes with stack overflow: CRASH INFORMATION: CPU 0 CSA F00000002FF47600 at time of crash, error code for LEDs: 30000000 pvthread+00E900 STACK: [060888FC]df6_fltr_out_chk+00007C (0000000000000003, F00000002FF434D8, F00000002FF434E8, F00000002FF434C0, 0000000000000001, 0000000000000018, 0000000000000006, 000000000000800F [??]) [06089BE0]_fltr6_out_chk+000A20 (??, ??, ??, ??, ??, ??) [0608A0AC]fltr6_out_chk+00006C (??, ??, ??, ??, ??) [05CA3190]ip6_output+000C90 (F1000E00000F5000, 0000000000000000, F1000E0000E0EAF8, 0000400000004000, 0000000000000000, F1000E0000E0EAA0, 0000000000000000, 0000000000000000) [05D0F8FC]tcp_output+0011BC (??) [05D0D084]tcp_usrreq+001AA4 (??, ??, ??, ??, ??) [0054C910]soesend+001390 (??, ??, ??, ??, ??, ??, ??) [00570814]sosend+000014 (??, ??, ??, ??, ??, ??) [00014F50].kernel_add_gate_cstack+000030 () [061D5E40]rtcm_send+000220 (??, ??, ??, ??) [061D0950]clnt_tcp_callit+000730 (F1000A00E04B5828, 0000000000000001, 00000000063F47B0, F00000002FF45888, 00000000063F47C8, F00000002FF45888, 000000000000000A, 0000000000000000) [0623DD5C]rfscall_progvers4+00047C (??, ??, ??, ??, ??, ??, ??, ??) [0626B740]rfs4call+0000C0 (??, ??, ??, ??, ??, ??, ??, ??) [06254860]nfs4access+0003C0 (??, ??, ??, ??, ??) [06256500]nfs4_open+000140 (??, ??, ??, ??, ??) [0066C698]vnop_open+0004F8 (??, ??, ??, ??, ??) [006742AC]openpnp+0006EC (??, ??, ??, ??, ??, ??, ??, ??) [0067498C]openpath+00028C (??, ??, ??, ??, ??, ??, ??, ??) [00674D54]copen+000314 (FFFFFFFEFFFFFFFE, 0000000020099F28, 0000000004000000, 2FF22FFC2FF22FFC, 0000000000000000, F00000002FF47580) [00673B44]kopen+000024 (??, ??, ??) [00003938]syscall+000230 () [kdb_get_virtual_memory] no real storage @ 2FF1FAC8 [D0119954]D0119954 () [kdb_read_mem] no real storage @ FFFFFFFFFFF5FC0
Local fix
Problem summary
When ipsec is enabled on a system with ipv6 configured, system crashes with stack overflow: CPU 0 CSA F00000002FF47600 at time of crash, error code for LEDs: 30000000 pvthread+00E900 STACK: 060888FC df6_fltr_out_chk+00007C (0000000000000003,..
Problem conclusion
Some of the RAS traces have been modified to keep stack size low so that page fault does not happen, which leads to this crash.
Temporary fix
Comments
6100-08 - use AIX APAR IV70056 6100-09 - use AIX APAR IV69868 7100-02 - use AIX APAR IV70299 7100-03 - use AIX APAR IV69711
APAR Information
APAR number
IV70056
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2015-02-26
Closed date
2015-02-26
Last modified date
2015-09-30
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 U868382
UP15/09/18 I 1000
PTF to Fileset Mapping
U868382 bos.net.ipsec.rte 6.1.8.18
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Document Information
Modified date:
17 December 2021