A fix is available
APAR status
Closed as program error.
Error description
The following sequence of events can cause a crash: 1)A force unmount is done on a jfs2 filesystem running an executable 2)The next mount operation is an nfs version 4 mount 3)When the nfs filesystem is unmounted a crash will occur The stack of the crash is: abend_trap+000000 () v_pdtinactive+000320 (??, ??) v_pdtdelete+000250 (??, ??, ??, ??) .backt+000100 () ____ Exception (F00000002FF47600) ____ .backt+000000 () vm_umountx+00012C (??, ??, ??, ??) nfs.ext:nfs_pdt_rele+00015C (??, ??) nfs.ext:release_serv_obj+00018C (??) nfs.ext:free_f_loc+0000EC (??) nfs.ext:free_nfs4_fsid+000034 (??) nfs.ext:nfs4_fsid_rele+0000E4 (??) nfs.ext:nfs_free_mi+000198 (??) nfs.ext:nfs4_unmount+000484 (??, ??, ??) vfs_unmount+00008C (??, ??, ??) kunmount+000228 (??, ??, ??, ??) uvmount+00020C (??, ??)
Local fix
After doing a force jfs2 unmount, make sure the next mount operation is not an nfs 4 version mount.
Problem summary
A crash with a stack containing: abend_trap+000000 () v_pdtinactive+000320 () v_pdtdelete+000250 ()
Problem conclusion
We do not make this assert with an scb which has already been marked inactive.
Temporary fix
Comments
APAR Information
APAR number
IV63484
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-08-12
Closed date
2014-08-12
Last modified date
2016-05-11
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 V7.1
Fixed component ID
5765H4000
Applicable component levels
R710 PSY U863867
UP15/11/22 I 1000
PTF to Fileset Mapping
U863867 bos.mp64 7.1.4.0
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Document Information
Modified date:
11 May 2016