[root@atlas-xrd-proxy01 georgep]# gdb /usr/bin/xrootd ./core.2953 GNU gdb (GDB) Red Hat Enterprise Linux (7.2-83.el6) Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/xrootd...(no debugging symbols found)...done. [New Thread 421] [New Thread 494] [New Thread 30492] [New Thread 3010] [New Thread 2965] [New Thread 2955] [New Thread 3028] [New Thread 2978] [New Thread 2286] [New Thread 3973] [New Thread 30904] [New Thread 3008] [New Thread 2984] [New Thread 3003] [New Thread 2963] [New Thread 3033] [New Thread 2331] [New Thread 2992] [New Thread 3005] [New Thread 30911] [New Thread 2991] [New Thread 2981] [New Thread 3031] [New Thread 3035] [New Thread 30928] [New Thread 2993] [New Thread 2987] [New Thread 2340] [New Thread 2994] [New Thread 3037] [New Thread 3049] [New Thread 2988] [New Thread 2999] [New Thread 30981] [New Thread 3039] [New Thread 2349] [New Thread 16580] [New Thread 3024] [New Thread 3052] [New Thread 3000] [New Thread 3023] [New Thread 31076] [New Thread 3025] [New Thread 3042] [New Thread 3001] [New Thread 21406] [New Thread 2356] [New Thread 3051] [New Thread 31087] [New Thread 3045] [New Thread 2990] [New Thread 3043] [New Thread 3006] [New Thread 21432] [New Thread 2357] [New Thread 3047] [New Thread 31170] [New Thread 3046] [New Thread 3007] [New Thread 22694] [New Thread 2448] [New Thread 23984] [New Thread 2451] [New Thread 24878] [New Thread 2452] [New Thread 2453] [New Thread 2632] [New Thread 25192] [New Thread 2635] [New Thread 25248] [New Thread 2636] [New Thread 2637] [New Thread 2976] [New Thread 4871] [New Thread 2974] [New Thread 3009] [New Thread 3751] [New Thread 390] [New Thread 3012] [New Thread 2971] [New Thread 3752] [New Thread 2996] [New Thread 2970] [New Thread 2989] [New Thread 320] [New Thread 3013] [New Thread 2969] [New Thread 3011] [New Thread 3017] [New Thread 2995] [New Thread 3792] [New Thread 2964] [New Thread 3812] [New Thread 3002] [New Thread 3018] [New Thread 2961] [New Thread 2985] [New Thread 3430] [New Thread 30386] [New Thread 3020] [New Thread 3810] [New Thread 26385] [New Thread 2960] [New Thread 2979] [New Thread 23251] [New Thread 3429] [New Thread 3021] [New Thread 30358] [New Thread 2977] [New Thread 3815] [New Thread 2959] [New Thread 26394] [New Thread 3413] [New Thread 3022] [New Thread 25563] [New Thread 27010] [New Thread 2998] [New Thread 3875] [New Thread 2954] [New Thread 2845] [New Thread 3026] [New Thread 26765] [New Thread 2982] [New Thread 27007] [New Thread 24985] [New Thread 3939] [New Thread 8163] [New Thread 3029] [New Thread 2513] [New Thread 2997] [New Thread 22997] [New Thread 27006] [New Thread 24346] [New Thread 3981] [New Thread 3030] [New Thread 8161] [New Thread 2491] [New Thread 3004] [New Thread 27003] [New Thread 5085] [New Thread 23649] [New Thread 22998] [New Thread 3034] [New Thread 2986] [New Thread 2391] [New Thread 7973] [New Thread 24772] [New Thread 5087] [New Thread 3014] [New Thread 2980] [New Thread 23041] [New Thread 22887] [New Thread 2355] [New Thread 7844] [New Thread 24771] [New Thread 3015] [New Thread 2983] [New Thread 5106] [New Thread 23042] [New Thread 7831] [New Thread 16125] [New Thread 1853] [New Thread 24762] [New Thread 3027] [New Thread 5116] [New Thread 24750] [New Thread 3050] [New Thread 420] [New Thread 23045] [New Thread 3019] [New Thread 7830] [New Thread 5119] [New Thread 1851] [New Thread 3048] [New Thread 24651] [New Thread 3016] [New Thread 5174] [New Thread 23225] [New Thread 336] [New Thread 3044] [New Thread 1850] [New Thread 7669] [New Thread 5227] [New Thread 5185] [New Thread 23262] [New Thread 3041] [New Thread 4897] [New Thread 2972] [New Thread 5225] [New Thread 1761] [New Thread 3040] [New Thread 324] [New Thread 7478] [New Thread 2956] [New Thread 5224] [New Thread 23385] [New Thread 5186] [New Thread 3038] [New Thread 1759] [New Thread 322] [New Thread 2968] [New Thread 5187] [New Thread 7485] [New Thread 3036] [New Thread 28686] [New Thread 5195] [New Thread 318] [New Thread 32357] [New Thread 2973] [New Thread 5189] [New Thread 7488] [New Thread 23510] [New Thread 5191] [New Thread 2975] [New Thread 21859] [New Thread 5124] [New Thread 32311] [New Thread 7532] [New Thread 2967] [New Thread 24149] [New Thread 31223] [New Thread 2966] [New Thread 7665] [New Thread 31222] [New Thread 2953] [New Thread 31220] [New Thread 7537] Reading symbols from /usr/lib64/libXrdServer.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libXrdServer.so.2 Reading symbols from /usr/lib64/libXrdUtils.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libXrdUtils.so.2 Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/libdl.so.2 Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". To enable execution of this file add add-auto-load-safe-path /lib64/libthread_db-1.0.so line to your configuration file "/root/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/root/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libpthread.so.0 Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/librt.so.1 Reading symbols from /usr/lib64/libstdc++.so.6...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libstdc++.so.6 Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libm.so.6 Reading symbols from /lib64/libgcc_s.so.1...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libgcc_s.so.1 Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libc.so.6 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /lib64/libnss_files.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libnss_files.so.2 Reading symbols from /lib64/libnss_nis.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libnss_nis.so.2 Reading symbols from /lib64/libnsl.so.1...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libnsl.so.1 Reading symbols from /lib64/libnss_dns.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libnss_dns.so.2 Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libresolv.so.2 Reading symbols from /usr/lib64/libXrdSec-4.so...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdSec-4.so Reading symbols from /usr/lib64/libXrdSecunix-4.so...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdSecunix-4.so Reading symbols from /usr/lib64/libXrdSecgsi-4.so...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdSecgsi-4.so Reading symbols from /usr/lib64/libXrdCrypto.so.1...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdCrypto.so.1 Reading symbols from /usr/lib64/libXrdCryptossl-4.so...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdCryptossl-4.so Reading symbols from /usr/lib64/libssl.so.10...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libssl.so.10 Reading symbols from /usr/lib64/libcrypto.so.10...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libcrypto.so.10 Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libgssapi_krb5.so.2 Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libkrb5.so.3 Reading symbols from /lib64/libcom_err.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libcom_err.so.2 Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libk5crypto.so.3 Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libz.so.1 Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libkrb5support.so.0 Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libkeyutils.so.1 Reading symbols from /lib64/libselinux.so.1...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libselinux.so.1 Reading symbols from /usr/lib64/libXrdPss-4.so...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdPss-4.so Reading symbols from /usr/lib64/libXrdFfs.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdFfs.so.2 Reading symbols from /usr/lib64/libXrdPosix.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdPosix.so.2 Reading symbols from /usr/lib64/libXrdCl.so.2...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/libXrdCl.so.2 Reading symbols from /usr/lib64/XrdOucName2NameLFC-4.so...(no debugging symbols found)...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /usr/lib64/XrdOucName2NameLFC-4.so Reading symbols from /lib64/libjson.so.0...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libjson.so.0 Reading symbols from /lib64/libjson-c.so.2...done. Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Loaded symbols for /lib64/libjson-c.so.2 Warning: couldn't activate thread debugging using libthread_db: Cannot find new threads: generic error warning: File "/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "/usr/share/gdb/auto-load:/usr/lib/debug:/usr/bin/mono-gdb.py". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Core was generated by `/usr/bin/xrootd -l /var/log/xrootd/manager/xrootd.log -c /etc/xrd.cf -k 7 -b -s'. Program terminated with signal 11, Segmentation fault. #0 0x00007f4469dc3af9 in malloc () from /lib64/libc.so.6