Hello,
Trying to get the memory plot through the memory plot button at the end of a proof analysis, we got the following SIGSEGV error message (no idea why of course…):
======================================
root [1] Retrieving logs: 1 ok, 0 not ok (0 % processed)
Retrieving logs: 2 ok, 0 not ok (0 % processed)
Retrieving logs: 3 ok, 0 not ok (0 % processed)
Retrieving logs: 4 ok, 0 not ok (0 % processed)
Retrieving logs: 5 ok, 0 not ok (0 % processed)
Retrieving logs: 6 ok, 0 not ok (0 % processed)
Retrieving logs: 7 ok, 0 not ok (0 % processed)
Retrieving logs: 8 ok, 0 not ok (0 % processed)
Retrieving logs: 9 ok, 0 not ok (0 % processed)
Retrieving logs: 10 ok, 0 not ok (0 % processed)
Retrieving logs: 11 ok, 0 not ok (0 % processed)
Retrieving logs: 12 ok, 0 not ok (0 % processed)
Retrieving logs: 13 ok, 0 not ok (0 % processed)
Retrieving logs: 14 ok, 0 not ok (0 % processed)
Retrieving logs: 15 ok, 0 not ok (0 % processed)
Retrieving logs: 16 ok, 0 not ok (0 % processed)
Retrieving logs: 17 ok, 0 not ok (100 % processed)
*** Break *** segmentation violation
(no debugging symbols found)
Using host libthread_db library “/lib64/tls/libthread_db.so.1”.
Attaching to program: /proc/25149/exe, process 25149
(no debugging symbols found)…done.
(no debugging symbols found)…done.
[Thread debugging using libthread_db enabled]
[New Thread 182919416224 (LWP 25149)]
[New Thread 1094719840 (LWP 25159)]
[New Thread 1084229984 (LWP 25158)]
(no debugging symbols found)…done.
(no debugging symbols found)…done.
(no debugging symbols found)…done.
(no debugging symbols found)…done.
(no debugging symbols found)…done.
(no debugging symbols found)…done.
(no debugging symbols found)…done.
0x0000003fea88f53a in waitpid ()
from /lib64/tls/libc.so.6
Thread 3 (Thread 1084229984 (LWP 25158)):
#0 0x0000003fea88fb65 in __nanosleep_nocancel () from /lib64/tls/libc.so.6
#1 0x0000003fea88f9d0 in sleep () from /lib64/tls/libc.so.6
#2 0x0000002a9b5126f3 in GarbageCollectorThread (arg=0xe01410, thr=Variable “thr” is not available.
) at XrdClientConnMgr.cc:71
#3 0x0000002a9b3ba911 in XrdSysThread_Xeq ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libProofx.so
#4 0x0000003feb106137 in start_thread () from /lib64/tls/libpthread.so.0
#5 0x0000003fea8c7003 in clone () from /lib64/tls/libc.so.6
Thread 2 (Thread 1094719840 (LWP 25159)):
#0 0x0000003fea8be0c2 in poll () from /lib64/tls/libc.so.6
#1 0x0000002a9b4f88a6 in XrdClientSock::RecvRaw (this=0xe04b70, buffer=0x8239c0, length=8, substreamid=Variable “substreamid” is not available.
)
at XrdClientSock.cc:126
#2 0x0000002a9b51b05a in XrdClientPhyConnection::ReadRaw (this=0xe03ef0, buf=0x8239c0, len=8, substreamid=-1,
usedsubstreamid=0x4140095c) at XrdClientPhyConnection.cc:360
#3 0x0000002a9b517153 in XrdClientMessage::ReadRaw (this=0x823980, phy=0xe03ef0) at XrdClientMessage.cc:150
#4 0x0000002a9b51a36f in XrdClientPhyConnection::BuildMessage (this=0xe03ef0, IgnoreTimeouts=true, Enqueue=true)
at XrdClientPhyConnection.cc:441
#5 0x0000002a9b51f186 in SocketReaderThread (arg=0xe03ef0, thr=Variable “thr” is not available.
) at XrdClientPhyConnection.cc:59
#6 0x0000002a9b3ba911 in XrdSysThread_Xeq ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libProofx.so
#7 0x0000003feb106137 in start_thread () from /lib64/tls/libpthread.so.0
#8 0x0000003fea8c7003 in clone () from /lib64/tls/libc.so.6
Thread 1 (Thread 182919416224 (LWP 25149)):
#0 0x0000003fea88f53a in waitpid () from /lib64/tls/libc.so.6
#1 0x0000003fea839a1f in do_system () from /lib64/tls/libc.so.6
#2 0x0000003fea839c96 in system () from /lib64/tls/libc.so.6
#3 0x0000002a957d0e7b in TUnixSystem::StackTrace ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#4 0x0000002a957cda4a in TUnixSystem::DispatchSignals ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#5
#6 0x0000002a95739cb7 in TString::Index ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#7 0x0000002a9573bc59 in TString::Atoll ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#8 0x0000002a9c244a1d in TProofProgressMemoryPlot::DoWorkerPlot ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libSessionViewer.so
#9 0x0000002a9c2456e8 in TProofProgressMemoryPlot::DoPlot ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libSessionViewer.so
#10 0x0000002a9c27c3b6 in G__G__SessionViewer_119_0_15 ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libSessionViewer.so
#11 0x0000002a95e9be8a in Cint::G__CallFunc::Execute ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCint.so
#12 0x0000002a957bcc9c in TCint::CallFunc_Exec ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#13 0x0000002a95727b3d in TQConnection::ExecuteMethod ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#14 0x0000002a9572ae30 in TQObject::Emit ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#15 0x0000002a9940edf8 in TGButton::EmitSignals ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libGui.so
#16 0x0000002a9940ecc3 in TGButton::HandleButton ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libGui.so
#17 0x0000002a99460b8d in TGFrame::HandleEvent ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libGui.so
#18 0x0000002a99427ebb in TGClient::HandleEvent ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libGui.so
#19 0x0000002a99427fe7 in TGClient::ProcessOneEvent ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libGui.so
#20 0x0000002a9942809d in TGClient::HandleInput ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libGui.so
#21 0x0000002a994280bd in TGInputHandler::Notify ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libGui.so
#22 0x0000002a957cdfc9 in TUnixSystem::DispatchOneEvent ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#23 0x0000002a95749e35 in TSystem::InnerLoop ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#24 0x0000002a95749bea in TSystem::Run ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#25 0x0000002a956eff0f in TApplication::Run ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libCore.so
#26 0x0000002a96c55df1 in TRint::Run ()
from […]/root/v5-23-04/slc4_x8664_gcc34/root/lib/libRint.so
#27 0x000000000040107d in main ()
Root >
Let me know if you need more details 
Yvan