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2359143 - Signal 11 in cm_grabmem_clock() - SAP ASE

Symptom

  • ASE errorlog reports a Signal 11 error in the module cm_grabmem_clock() with a stack trace:

Current process (0x6c1f02e2) infected with signal 11 (SIGSEGV)
Address 0x00000000804db854 (cm_grabmem_clock+0x44), siginfo (code, address) = (1, 0x0000000000000010)  

  • The stack trace can include some or all these modules:

cm_grabmem_clock
bufgrab
bufreserve
sort_bufreserve
bufnewpage
pg__getpgbuf

  Note: A complete stack trace is available under Attachments.

  • ASE can crash as result if it is holding a spinlock:

Spinlocks held by kpid 1234567
Spinlock default data cache at address ... owned by 1234567


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

sybase, CR798869, CR#798869, 798869, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, sp_poolconfig, buffer, cache, pool , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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