- ASE errorlog reports an "infected with Signal 11" error with a stack trace:
Current process (0x9d004f) infected with signal 11 (SIGSEGV)
Address 0x2020203d20202020 (), siginfo (code, address) = (50, 0x2020203d20202020)
- The stack trace includes the following functions:
Note: A complete stack trace is available under Attachments.
- On AIX**, if the "secondary signal handling" configuration parameter set to 0, it is followed by the message and the ASE server keeps running:
Task 10289231 is made zombie because it cannot be cleaned up during its termination. This task may have resources allocated to it.
- On AIX**, if the "secondary signal handling" configuration parameter set to 1 (default), it is followed by the looping messages with similar stack traces:
FATAL UNHANDLED EXCEPTION: signal 11 hit while handling a previously hit signal. The server cannot continue and will shut down.
The ASE server ends up with detecting a stack overflow and a stack guardword corruption, and it crashes.
- The terminated user process was attempting to run the following SQL:
DECLARE @client Nvarchar(100)
SET @client = 'xxxxx'
Declare @sql Nvarchar(3000)
Set @sql = '
CREATE OR REPLACE PROCEDURE dbo.procname _' + @client + '
( @my_id INT
- ** SAP's repro on Linux shows that the user process is terminated cleanly. No zombie tasks is left behind and ASE does not crash.
SAP Adaptive Server Enterprise (ASE) 16.0
CR823126, CR#823126, 823126, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed
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