#0 0xffffe405 in __kernel_vsyscall () #1 0x007c0825 in raise () from /lib/tls/libc.so.6 #2 0x007c2289 in abort () from /lib/tls/libc.so.6 #3 0x007f4cda in __libc_message () from /lib/tls/libc.so.6 #4 0x007fb56f in _int_free () from /lib/tls/libc.so.6 #5 0x007fb94a in free () from /lib/tls/libc.so.6 #6 0x00c1db31 in operator delete () from /usr/lib/libstdc++.so.6 #7 0x00c1db8d in operator delete[] () from /usr/lib/libstdc++.so.6 #8 0xf7adf88a in TStringRef::UnLink (this=0xf7f9a6c8) at include/TString.h:432 #9 0xf7adbf54 in TString::Replace (this=0x819ee6c, pos=0, n1=0, cs=0xf6eefb66 "yaxis", n2=5) at core/base/src/TString.cxx:730 #10 0xf7adb1c6 in TString::operator= (this=0x819ee6c, cs=0xf6eefb66 "yaxis") at core/base/src/TString.cxx:377 #11 0xf7aaf743 in TNamed::SetName (this=0x819ee60, name=0xf6eefb66 "yaxis") at core/base/src/TNamed.cxx:127 #12 0xf6d23f7f in TH1 (this=0x819eda0) at hist/hist/src/TH1.cxx:543 #13 0xf6d43257 in TH1F (this=0x819eda0) at hist/hist/src/TH1.cxx:8264 #14 0x080490e8 in func () #15 0xf61d324b in TThread::Function (ptr=0x8191600) at core/thread/src/TThread.cxx:692 #16 0x0090c3cc in start_thread () from /lib/tls/libpthread.so.0 #17 0x00864b3e in clone () from /lib/tls/libc.so.6 A second stack-trace: --------------------- #0 0xffffe405 in __kernel_vsyscall () #1 0x007c0825 in raise () from /lib/tls/libc.so.6 #2 0x007c2289 in abort () from /lib/tls/libc.so.6 #3 0x007f4cda in __libc_message () from /lib/tls/libc.so.6 #4 0x007fb56f in _int_free () from /lib/tls/libc.so.6 #5 0x007fb94a in free () from /lib/tls/libc.so.6 #6 0x00c1db31 in operator delete () from /usr/lib/libstdc++.so.6 #7 0x00c1db8d in operator delete[] () from /usr/lib/libstdc++.so.6 #8 0xf7adf88a in TStringRef::UnLink (this=0xf7f9a6c8) at include/TString.h:432 #9 0xf7adb019 in ~TString (this=0xd7e01754) at core/base/src/TString.cxx:349 #10 0xf7a893d9 in ~TNamed (this=0xd7e01740) at include/TNamed.h:45 #11 0xf6d24a78 in ~TH1 (this=0xd7e01740) at hist/hist/src/TH1.cxx:590 #12 0xf6d442e8 in ~TH1F (this=0xd7e01740) at hist/hist/src/TH1.cxx:8343 #13 0x080490ee in func () #14 0xf61d324b in TThread::Function (ptr=0x8193b00) at core/thread/src/TThread.cxx:692 #15 0x0090c3cc in start_thread () from /lib/tls/libpthread.so.0 #16 0x00864b3e in clone () from /lib/tls/libc.so.6