monetdb SIGSEGV fault

Ying Zhang Y.Zhang at cwi.nl
Mon Oct 26 11:40:02 CET 2015


Hello zorpior,

Thanks for using MonetDB.  Sorry for the sig. fault.

Please file a bug report, with the schema and sample data to reproduce the sig. fault.

Thank you!

Jennie

> On Oct 24, 2015, at 12:02, darkbluehacker at sohu.com wrote:
> 
> I tryied MonetDB-11.21.5 with below sql on two table. ods_ply_base has 50,000,000 rows of record, ods_agent has 100,000 rows of recored.
> c_cmpny_agt_cde and c_cha_cde are text column.
> 
> But mserver5 exit with SIGSEGV signal.
> 
> Below is the stack show by gdb.
> 
> sql>select * from ods_ply_base left join (select * from ods_agent  where business_end_date > now()) as bb on c_cmpny_agt_cde=bb.c_cha_cde;
> 
> 81      T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
> Missing separate debuginfos, use: debuginfo-install keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.12.2-15.el7_1.x86_64 libcom_err-1.42.9-7.el7.x86_64 libselinux-2.2.2-6.el7.x86_64 libxml2-2.9.1-5.el7_1.2.x86_64 ncurses-libs-5.9-13.20130511.el7.x86_64 openssl-libs-1.0.1e-42.el7.9.x86_64 pcre-8.32-14.el7.x86_64 readline-6.2-9.el7.x86_64 xz-libs-5.1.2-9alpha.el7.x86_64 zlib-1.2.7-13.el7.x86_64
> (gdb) c
> Continuing.
> [New Thread 0x7f4603dfe700 (LWP 20663)]
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7f46353e9700 (LWP 20592)]
> incref (lock=<optimized out>, logical=<optimized out>, i=1567) at gdk_bbp.c:2156
> 2156                    hp = bs->B.H->heap.parentid;
> (gdb)
> 
> (gdb) bt
> #0  incref (lock=<optimized out>, logical=<optimized out>, i=1567) at gdk_bbp.c:2156
> #1  BBPincref (i=i at entry=1567, logical=logical at entry=0) at gdk_bbp.c:2221
> #2  0x00007f46477252a8 in BATdescriptor (i=1567) at ../../../gdk/gdk.h:2599
> #3  do_join (r1=0x7f37bc354d30, r2=0x7f37bc354d50, rid=<optimized out>, r2id=r2id at entry=0x0, slid=0x7f37bc207490, srid=0x7f37bc207490, op=op at entry=0, c1=c1 at entry=0x0, c2=c2 at entry=0x0,
>     li=li at entry=0, hi=hi at entry=0, nil_matches=nil_matches at entry=0x7f37bc2074b0 "", estimate=estimate at entry=0x7f37bc2074d0, joinfunc=0x7f464734cb20 <BATsubjoin>,
>     thetafunc=thetafunc at entry=0x0, bandfunc=bandfunc at entry=0x0, rangefunc=rangefunc at entry=0x0, funcname=funcname at entry=0x7f46477db3ef "algebra.subjoin", lid=<optimized out>)
>     at algebra.c:614
> #4  0x00007f464772808c in ALGsubjoin (r1=<optimized out>, r2=<optimized out>, lid=<optimized out>, rid=<optimized out>, slid=<optimized out>, srid=<optimized out>,
>     nil_matches=0x7f37bc2074b0 "", estimate=0x7f37bc2074d0) at algebra.c:681
> #5  0x00007f46476d6b84 in malCommandCall (stk=stk at entry=0x7f37bc207020, pci=pci at entry=0x7f46315dd260) at mal_interpreter.c:119
> #6  0x00007f46476d815b in runMALsequence (cntxt=<optimized out>, mb=<optimized out>, startpc=<optimized out>, stoppc=<optimized out>, stk=<optimized out>, env=env at entry=0x0,
>     pcicaller=pcicaller at entry=0x0) at mal_interpreter.c:655
> #7  0x00007f46476d9d0e in DFLOWworker (T=<optimized out>) at mal_dataflow.c:376
> #8  0x00007f4645481df5 in start_thread (arg=0x7f46353e9700) at pthread_create.c:308
> #9  0x00007f46451af1ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
> 
> Is this bug of monetdb?
> 
> zorpior
> 
> 
> 
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