2422470 - Signal 11 at sb_unkeep() hit by DUMP TRAN - SAP ASE

• Signal 11 in the module sb_unkeep() with a stack trace may be reported in the ASE errorlog during the execution of either DUMP DATABASE or LOAD DATABASE:   

Current process (0x6450cc8) infected with signal 11 (SIGSEGV)
Address 0x0x0000000000c5d968 (sb_unkeep+0x10), siginfo (code, address) = (1, 0x0x0000000000000138)   

• The stack trace includes modules:      

sb_unkeep
lc_freeconn
readremote
remrecvbyte
strmintr
dmpld_send_write_ht
dmph__write_page
ust__write_page
ust_finish_output_stream
dmph__write_ht
dmp_write_hdr
dmpx_truncatemain
dmpxact   

• Backup server errorlog reports the following:

D00: SYBMULTBUF ERROR: Emulator interprocess communication failed with error state = 9, error code=0, system message=Pipe I/O returned 0 bytes.
Open Server Error: 16248.10.0: Error in srv_select() - file descriptor 12 is no longer active.
Open Server Error: 16248.10.0: Error in srv_select() - file descriptor 12 is no longer active.
Open Server Error: 16248.10.0: Error in srv_select() - file descriptor 12 is no longer active.
Open Server Error: 16248.10.0: Error in srv_select() - file descriptor 12 is no longer active.
Backup Server: 4.194.2.1: Internal error. The srv_select() function was called to complete an I/O for 2232 bytes. After retrying 2233 times only 0 bytes have been read.
Backup Server: 4.141.2.75: [0] The 'read' call failed for database/archive device while working on stripe device 'sybackup::::000' with error number 0 (Success). Refer to your operating system documentation for further details.
Backup Server Internal Error: 4.62.3.1: Multibuffering subprocesses died, archive sybackup::::000.
Backup Server: 4.141.2.66: [0] The 'write' call failed for database/archive device while working on stripe device 'sybackup::::000' with error number 32 (Broken pipe). Refer to your operating system documentation for further details.
Backup Server Internal Error: 4.62.3.8: Multibuffering subprocesses died, archive sybackup::::000.
A00: SYBMULTBUF ERROR: Emulator interprocess communication failed with error state = 16, error code=32, system message=Broken pipe.
D00: SYBMULTBUF ERROR: Emulator interprocess communication failed with error state = 9, error code=0, system message=Pipe I/O returned 0 bytes.

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

CR797689, CR#797689, 797689 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed