A fix is available
APAR status
Closed as program error.
Error description
Customer reported that the system is hung, unable to login to console or to ssh. The dump shows a deadlock: (0)> dla Deadlock from tid 10003. This tid waits for the first line lock, owned by Owner-Id that waits for the next line lock, and so on ... NAME| ADDRESS | OWNER-ID | LCK STATUS | FUNC ???| 0xF1000A01513D0280 | Tid 320285 | 0x20000000 | slock ???| 0xF1000A01513D02A8 | Tid 6A00D5 | 0x20000000 | slock ???| 0xF1000A01513D0280 | Tid 320285 | 0x20000000 | slock (0)> th * | grep 320285 pvthread+103200 4146 sendmail SLEEP 320285 030 0 257 F1000A01513D02A8 slist_table+000BF0 (0)> th * | grep 6A00D5 pvthread+006A00 106*syncd SLEEP 6A00D5 03C 0 257 F1000A01513D0280 slist_table+000970 (0)> f 4146 pvthread+103200 STACK: [00579FDC]slock+00051C (00000000000E47F8, 8000000000001032 [??]) [00009558].simple_lock+000058 () [002DCB1C]lmSync+00001C (??) [002D1FA4]txEnd+0001E4 (??) [002FBCDC]iSynchronize+00017C (??, ??, ??, ??, ??) [00320CE4]j2_fsync+0000E4 (??, ??, ??, ??, ??, ??) [005C51DC]vnop_fsync_range+00009C (??, ??, ??, ??, ??, ??) [0058C9C0]fsync_common+000100 (??, ??, ??, ??, ??) [00003888]mfspurr_sc_flih01+0000E4 () (0)> f 106 pvthread+006A00 STACK: [00579FDC]slock+00051C (00000000000093E8, 8000000000001032 [??]) [00009558].simple_lock+000058 () [00241D2C].simple_lock_hot+00000C () [002DE63C]lmLogSync@AF71_45+0000FC (??, ??, ??) [002DD748]lmLogSync+000028 (??, ??) [002DE7F0]lmLogSyncWithLock@AF72_2+000030 (??) [002D9C54]lmLogSyncWithLock+000014 (??) [002DD6E4]lmLogSyncAll+0000A4 () [0028CEF8]iSyncdAll+0000B8 () [002D9BB4]j2_syncvfs@AF50_13+0001B4 (??, ??, ??, ??, ??) [005CF0A4]vfs_syncvfs+000044 (??, ??, ??, ??) [0069E604]syncvfs+000244 (??, ??) [00003888]mfspurr_sc_flih01+0000E4 ()
Local fix
N/A
Problem summary
the system hang due to deadlock in the j2 FS code.
Problem conclusion
corrected the code to aviod deadlock.
Temporary fix
Comments
6100-07 - use AIX APAR IV58203 6100-08 - use AIX APAR IV54120 6100-09 - use AIX APAR IV54780 6100-09 - use AIX APAR IV54780 6100-09 - use AIX APAR IV54780 7100-01 - use AIX APAR IV57486 7100-02 - use AIX APAR IV56929 7100-03 - use AIX APAR IV54781 7100-04 - use AIX APAR IV54817
APAR Information
APAR number
IV54781
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-01-30
Closed date
2014-01-30
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 V7.1
Fixed component ID
5765H4000
Applicable component levels
R710 PSY U858978
UP14/05/22 I 1000
PTF to Fileset Mapping
U858978 bos.mp64 7.1.3.15
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Document Information
Modified date:
10 May 2016