A fix is available
APAR status
Closed as program error.
Error description
if timing is correct and we are running debug version of cachefs.ext then during unmount of a cachefs mount, the machine will crash with stack trace similiar to ■04E4CAECcachefs_cache_sync+0002CC (F100010C0200EA00) ■04E4CDC0cachefs_cache_destroy+000160 (F100010C0200EA00) ■04E434DCcachefs_delete_cachep+00019C (F100010C0200EA00) ■04E44C08cachefs_unmount+0006C8 (F1000106041B5810, 0000000000000000, F100010608B9D47C) ■04E8447Caix2onc_unmount+00005C (F1000106041B5810, 0000000000000000, F100010608B9D47C) ■00608218vfs_unmount+000098 (??, ??, ??) ■00605B80kunmount+000200 (??, ??, ??) ■00606408uvmount+000208 (??, ??) ■00003850ovlya_addr_sc_flih_main+000130 () ■10000C08unmountmain+000088 (??, ??) ■10000618main+0000D8 (??, ??) ■10000168__start+000068 ()
Local fix
Problem summary
if timing is correct and we are running debug version of cachefs.ext then during unmount of a cachefs mount, the machine will crash with stack trace similiar to 04E4CAEC cachefs_cache_sync+0002CC (F100010C0200EA00) 04E4CDC0 cachefs_cache_destroy+000160 (F100010C0200EA00) 04E434DC cachefs_delete_cachep+00019C (F100010C0200EA00) 04E44C08 cachefs_unmount+0006C8 (F1000106041B5810, 0000000000000000, F100010608B9D47C) 04E8447C aix2onc_unmount+00005C (F1000106041B5810, 0000000000000000, F100010608B9D47C) 00608218 vfs_unmount+000098 (??, ??, ??) 00605B80 kunmount+000200 (??, ??, ??) 00606408 uvmount+000208 (??, ??) 00003850 ovlya_addr_sc_flih_main+000130 () 10000C08 unmountmain+000088 (??, ??) 10000618 main+0000D8 (??, ??) 10000168 __start+000068 ()
Problem conclusion
remove faulty ASSERT().
Temporary fix
Comments
APAR Information
APAR number
IZ79162
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2010-07-05
Closed date
2010-07-05
Last modified date
2013-03-28
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 U836649
UP10/08/20 I 1000
PTF to Fileset Mapping
U836649 bos.net.nfs.cachefs 6.1.5.1
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Document Information
Modified date:
28 March 2013