2588493 - Signal 11 in exc_raise() caused by "dbcc dbreboot ('shutdown_load', dbname)" - SAP ASE

• Received an "Infected with Signal 11" error followed by a stack trace in the ASE errorlog:

Current process (0x0) infected with signal 11 (SIGSEGV)
Address 0x0000000100056ccc (exc_raise+0x90), siginfo (code, address) = (50, 0x7c2820404082000c)

• The stack trace contains functions:

exc_raise
ufunkeep_do_decrement
bufunkeep_cache
brfinish or bwfinish
sddone_normal
blkioComplete
kdcProcessCompletions
udcPoll
iocRunController

Note:  The complete stack trace is available under Attachments.

• Also Error 834 reported at the same time:

Error: 834, Severity: 20, State: 3
Illegal attempt to clean buffer: BUF=0x000000031eff0890, MASS=0x000000031eff0890, Buf#=0, page=0x0000000298ded000, dbid=0, Mass vdevno=82, vpage=3682, Buf lpage=2922024, Mass stat=0x0, Buf stat=0x0, size=4096, cid=0 ('default data cache'), Pinned xdes=0x0000000000000000, spid=0.

• We could not do anything, including "shutdown".
• We had to kill the ASE process on the host
• No core dump created.
• ASE restarted without any errors and it is operational.

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

CR#797232, CR797232, 797232, dbreboot, shutdown_load, 3101, kill, replication, replicate, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  registers , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed