[Mauiusers] SIGSEGV caused by req specification

Josh Butikofer josh at clusterresources.com
Tue Sep 25 09:13:06 MDT 2007


Jan,

We will be looking at all of these segfaults soon. We hope to have fixes for them as well.

-- 
Joshua Butikofer
Cluster Resources, Inc.

josh at clusterresources.com
Voice: (801) 717-3707
Fax:   (801) 717-3738
--------------------------


Jan Ploski wrote:
> Hello,
> 
> I have yet another SIGSEGV in maui. This time it is easily reproducible 
> and triggered by the following resource req specification:
> 
> #PBS -l walltime=0:60:00,nodes=1+1+1+1+1+1+1+1
> 
> Developers, can you comment on this?
> 
> Regards,
> Jan Ploski
> 
> Maui version 3.2.6p19
> 
> gdb maui 
> GNU gdb 6.5
> Copyright (C) 2006 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you 
> are
> welcome to change it and/or distribute copies of it under certain 
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for 
> details.
> This GDB was configured as "x86_64-suse-linux"...Using host libthread_db 
> library "/lib64/libthread_db.so.1".
> 
> (gdb) set args -d
> (gdb) run
> Starting program: /usr/sbin/maui -d
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x00000000004ba9f4 in MReqAllocateLocalRes (J=0x4cc8080, RQ=0x4a73240) at 
> MJob.c:13170
> 13170     if (RQ->NodeList[0].N != NULL)
> (gdb) bt
> #0  0x00000000004ba9f4 in MReqAllocateLocalRes (J=0x4cc8080, RQ=0x4a73240) 
> at MJob.c:13170
> #1  0x00000000004d25eb in MRMJobPostLoad (J=0x4cc8080, 
> TaskList=0x7fffbeb14d30, R=0x1e98360) at MRM.c:3851
> #2  0x00000000004d7284 in MPBSWorkloadQuery (R=0x1e98360, 
> JCount=0x7fffbeb17044, SC=0x0) at MPBSI.c:799
> #3  0x000000000048a35d in __MUTFunc (V=0x7fffbeb16eb0) at MUtil.c:4717
> #4  0x000000000048a2c8 in MUThread (F=0x4d6d10 <MPBSWorkloadQuery>, 
> TimeOut=9, RC=0x7fffbeb17048, ACount=3, Lock=0x0) at MUtil.c:4690
> #5  0x00000000004cce11 in MRMWorkloadQuery (WCount=0x7fffbeb174ac, SC=0x0) 
> at MRM.c:595
> #6  0x00000000004cc766 in MRMGetInfo () at MRM.c:364
> #7  0x0000000000441a9a in MSchedProcessJobs (OldDay=0x7fffbeb99590 "", 
> GlobalSQ=0x7fffbeb79590, GlobalHQ=0x7fffbeb59590) at MSched.c:6876
> #8  0x000000000040392f in main (ArgC=2, ArgV=0x7fffbeb996d8) at 
> Server.c:192
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