Symptom
- User session terminates unexpectedly.
- ASE shuts down unexpectedly.
- A running sp_sysmon is in progress.
- ASE errorlog contains a message 'infected with signal 10' at the module ubofree():
Current process (hex#) infected with signal 10 (SIGBUS)
Address hex# (ubofree+0x220)
- This messages can be seen in the errorlog:
ulreleasespinlock: spinlock being freed improperly
- With a stacktrace containing the following functions:
ubofree
keipanic
ulreleasespinlock
ksfreesocket
soc_nclose
drop_connection
OR
ubofree
ups_disable_hashstats_parallelism
cri_ptn_index
cri_physbuild
- A terminated user process left a phantom spinlock behind:
Spinlock Kernel Spinlock Spinlock at address hex# owned by 123456789
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Environment
- SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
- SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite
- SAP NetWeaver (NW) - All versions
Product
Keywords
disconnect, network, connection, "bus error", memory, CR767385, CR#767385, 767385, kisignal, stack, trace, registers, CR767385, CR#767385, 767385 , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BW-SYS-DB-SYB , BW on Adaptive Server Enterprise , Bug Filed
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