APAR status
Closed as fixed if next.
Error description
The CIFS driver may hang in nbssn_recv when a process accessing files on a CIFS file system is stopped with Ctrl-Z. The stack trace will be similar to this. [000C666C]stop_thread@AF38_8+00016C (00000000000D92F0, 8000000000001032, 0000000082222084, F00000002FF46550 [??]) [000DB250]check_sig+000450 (??, ??) [000D9204]e_block_thread+0001A4 () [0048EC70]sosbwait+000350 (??, ??) [004E7B1C]soereceive+00191C (??, ??, ??, ??, ??, ??, ??) [005077D0]soreceive+000010 (??, ??, ??, ??, ??, ??) [00014F50].kernel_add_gate_cstack+000030 () [F1000000C038F6C4]nbssn_recv+0001E4 (??, ??, ??, ??, ??, ??) [F1000000C0390004]smb_nbst_recv@AF33_6+000024 (??, ??, ??, ??, ??) [F1000000C03861B8]smb_iod_recvall+000338 (??, ??) [F1000000C03875B4]smb_iod_waitrq+000074 (??) [F1000000C0384FFC]smb_rq_reply+00001C (??) [F1000000C03857EC]smb_rq_simple+00006C (??) [F1000000C0388CB0]smb_read+000210 (??, ??, ??, ??) [F1000000C037C72C]smbfs_readvnode+00010C (??, ??, ??) [F1000000C0379F38]cn_rdwr+0001D8 (??, ??, ??, ??, ??, ??, ??, ??)
Local fix
Resume the stopped process.
Problem summary
Applications accessing CIFS may appear to have hung when another application accessing CIFS filesystem is stopped with Ctrl+Z
Problem conclusion
Temporary fix
Comments
This APAR is being closed FIN. This means that a solution to this APAR is expected to be delivered from IBM in a release (if any) to be available within the next 24 months.
APAR Information
APAR number
IV56534
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED FIN
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-03-11
Closed date
2014-08-12
Last modified date
2014-08-12
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Applicable component levels
R610 PSY
UP
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Document Information
Modified date:
12 August 2014