Received fatal signal SIGSEGV

ogreDnO

Hello,
One of my vertica cluster node down, and in log file a found :

2016-03-19 20:01:55.263 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.263 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.266 nameless:0x7f325accb730 [Main] <INFO> Handling signal: 11
2016-03-19 20:01:55.291 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.291 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.292 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.292 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.292 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.292 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.293 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.293 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.294 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.294 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.294 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.294 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.295 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.295 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.296 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.296 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.297 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.297 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.297 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.297 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.298 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> SortManager found maxMerges 7 too small(38 MB Assigned).
2016-03-19 20:01:55.298 Init Session:0x7f3420013970-b00000000a70ab [EE] <INFO> After disabling optimization, maxMerges becomes 7.
2016-03-19 20:01:55.305 EEThread:0x7f307fab12c0-c0000000099401 [EE] <INFO> Running ROS from sort buffer. Merge chunks = 1, merges per batch = 36
2016-03-19 20:01:55.305 EEThread:0x7f3379799f10-c0000000099401 [EE] <INFO> Running ROS from sort buffer. Merge chunks = 1, merges per batch = 36
2016-03-19 20:01:55.305 EEThread:0x7f2fb3edbea0-c0000000099401 [EE] <INFO> Running ROS from sort buffer. Merge chunks = 1, merges per batch = 36
2016-03-19 20:01:55.306 EEThread:0x7f307fab12c0-c0000000099401 [EE] <INFO> Finished writing one ROS at 0.00 sec. Write cost 0.00 sec, including compress pipe wait 0.00 sec
2016-03-19 20:01:55.306 EEThread:0x7f3379799f10-c0000000099401 [EE] <INFO> Finished writing one ROS at 0.00 sec. Write cost 0.00 sec, including compress pipe wait 0.00 sec
2016-03-19 20:01:55.307 EEThread:0x7f2fb3edbea0-c0000000099401 [EE] <INFO> Finished writing one ROS at 0.00 sec. Write cost 0.00 sec, including compress pipe wait 0.00 sec
2016-03-19 20:01:55.308 EEThread:0x7f307fab12c0-c0000000099401 [EE] <INFO> Finished writing ROSes from sort buffer.
2016-03-19 20:01:55.309 EEThread:0x7f3379799f10-c0000000099401 [EE] <INFO> Finished writing ROSes from sort buffer.
2016-03-19 20:01:55.309 EEThread:0x7f2fb3edbea0-c0000000099401 [EE] <INFO> Finished writing ROSes from sort buffer.
2016-03-19 20:01:56.780 nameless:0x7f325accb730 [Main] <PANIC> Received fatal signal SIGSEGV.
2016-03-19 20:01:56.780 nameless:0x7f325accb730 [Main] <PANIC> Info: si_code: 128, si_pid: 0, si_uid: 0, si_addr: (nil)

Maybe someone now the reason of this crash ?

Gayatri_R

Hi,

 

Please share the contents of <catalog directory>/ErrorReport.txt  from this node - this may include a backtrace that will provide more information re why Vertica process went down with a PANIC.

 

Thanks

Gayatri

ogreDnO

Hello,
sorry for delay 

Rahul_Choudhary

Hi 

 

If you have support license I would suggest you to raise a ticket with Vertica support for the same to get proper information if you have hit a known bug and Support can help you avoid the occurance of such issue from happening in near future.

 

Thanks

Rahul