GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04 Copyright (C) 2012 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-linux-gnu". For bug reporting instructions, please see: ... Attaching to process 21823 Reading symbols from /usr/lib/virtualbox/VBoxManage...(no debugging symbols found)...done. Reading symbols from /usr/lib/virtualbox/VBoxDDU.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/VBoxDDU.so Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7f5b7b156700 (LWP 21834)] [New Thread 0x7f5b7b177700 (LWP 21833)] Loaded symbols for /lib/x86_64-linux-gnu/libpthread.so.0 Reading symbols from /usr/lib/virtualbox/VBoxRT.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/VBoxRT.so Reading symbols from /usr/lib/virtualbox/VBoxXPCOM.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/VBoxXPCOM.so Reading symbols from /usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libstdc++.so.6 Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgcc_s.so.1 Reading symbols from /lib/x86_64-linux-gnu/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libc.so.6 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /lib/x86_64-linux-gnu/libcrypt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libcrypt.so.1 Reading symbols from /lib/x86_64-linux-gnu/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libz.so.1 Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/librt.so.1 Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libdl.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libxml2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxml2.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libcurl.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcurl.so.4 Reading symbols from /lib/x86_64-linux-gnu/libssl.so.1.0.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libssl.so.1.0.0 Reading symbols from /lib/x86_64-linux-gnu/libcrypto.so.1.0.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libm.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libidn.so.11...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libidn.so.11 Reading symbols from /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/librtmp.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/librtmp.so.0 Reading symbols from /lib/x86_64-linux-gnu/libresolv.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libresolv.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libsasl2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libsasl2.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libgssapi.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgssapi.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libgnutls.so.26...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgnutls.so.26 Reading symbols from /lib/x86_64-linux-gnu/libgcrypt.so.11...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgcrypt.so.11 Reading symbols from /usr/lib/x86_64-linux-gnu/libkrb5.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libkrb5.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libk5crypto.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libk5crypto.so.3 Reading symbols from /lib/x86_64-linux-gnu/libcom_err.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libcom_err.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libkrb5support.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libkrb5support.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libheimntlm.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libheimntlm.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libkrb5.so.26...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libkrb5.so.26 Reading symbols from /usr/lib/x86_64-linux-gnu/libasn1.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libasn1.so.8 Reading symbols from /usr/lib/x86_64-linux-gnu/libhcrypto.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libhcrypto.so.4 Reading symbols from /usr/lib/x86_64-linux-gnu/libroken.so.18...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libroken.so.18 Reading symbols from /usr/lib/x86_64-linux-gnu/libtasn1.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libtasn1.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libp11-kit.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libp11-kit.so.0 Reading symbols from /lib/x86_64-linux-gnu/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgpg-error.so.0 Reading symbols from /lib/x86_64-linux-gnu/libkeyutils.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libkeyutils.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libwind.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libwind.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libheimbase.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libheimbase.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libhx509.so.5...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libhx509.so.5 Reading symbols from /usr/lib/x86_64-linux-gnu/libsqlite3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libsqlite3.so.0 Reading symbols from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so Reading symbols from /lib/x86_64-linux-gnu/libnss_compat.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_compat.so.2 Reading symbols from /lib/x86_64-linux-gnu/libnsl.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnsl.so.1 Reading symbols from /lib/x86_64-linux-gnu/libnss_nis.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_nis.so.2 Reading symbols from /lib/x86_64-linux-gnu/libnss_files.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_files.so.2 Reading symbols from /usr/lib/virtualbox/components/VBoxVMM.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/components/VBoxVMM.so Reading symbols from /usr/lib/virtualbox/VBoxREM.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/VBoxREM.so Reading symbols from /usr/lib/virtualbox/components/VBoxSVCM.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/components/VBoxSVCM.so Reading symbols from /usr/lib/virtualbox/components/VBoxC.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/virtualbox/components/VBoxC.so Reading symbols from /lib/x86_64-linux-gnu/libpng12.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libpng12.so.0 Reading symbols from /usr/lib/libvpx.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libvpx.so.1 0x00007f5b7ac9f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 (gdb) info threads Id Target Id Frame 3 Thread 0x7f5b7b177700 (LWP 21833) "nspr-1" 0x00007f5b79e0aa43 in poll () from /lib/x86_64-linux-gnu/libc.so.6 2 Thread 0x7f5b7b156700 (LWP 21834) "nspr-2" 0x00007f5b7ac9ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 * 1 Thread 0x7f5b7b302740 (LWP 21823) "VBoxManage" 0x00007f5b7ac9f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 (gdb) bt #0 0x00007f5b7ac9f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f5b7a69e20a in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so #2 0x00007f5b7a69e65e in VBoxNsprPR_WaitCondVar () from /usr/lib/virtualbox/VBoxXPCOM.so #3 0x00007f5b7a69e91a in VBoxNsprPR_Wait () from /usr/lib/virtualbox/VBoxXPCOM.so #4 0x00007f5b74764b22 in ?? () from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so #5 0x00007f5b74764d69 in ?? () from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so #6 0x00007f5b7476af48 in ?? () from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so #7 0x00007f5b7a699cb0 in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so #8 0x00007f5b7a69910b in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so #9 0x000000000092f650 in ?? () #10 0x0000000000000064 in ?? () #11 0x0000000000000000 in ?? () (gdb) t 2 [Switching to thread 2 (Thread 0x7f5b7b156700 (LWP 21834))] #0 0x00007f5b7ac9ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 (gdb) bt #0 0x00007f5b7ac9ed84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f5b7a69e64a in VBoxNsprPR_WaitCondVar () from /usr/lib/virtualbox/VBoxXPCOM.so #2 0x00007f5b7a69e91a in VBoxNsprPR_Wait () from /usr/lib/virtualbox/VBoxXPCOM.so #3 0x00007f5b7476d184 in ?? () from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so #4 0x00007f5b7a68d3a3 in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so #5 0x00007f5b7a69d47a in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so #6 0x00007f5b7a996fcc in ?? () from /usr/lib/virtualbox/VBoxRT.so #7 0x00007f5b7a9f98ac in ?? () from /usr/lib/virtualbox/VBoxRT.so #8 0x00007f5b7ac9ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #9 0x00007f5b79e163fd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #10 0x0000000000000000 in ?? () (gdb) t 3 [Switching to thread 3 (Thread 0x7f5b7b177700 (LWP 21833))] #0 0x00007f5b79e0aa43 in poll () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) bt #0 0x00007f5b79e0aa43 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f5b7a69f6fe in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so #2 0x00007f5b7a6a23c1 in VBoxNsprPR_Poll () from /usr/lib/virtualbox/VBoxXPCOM.so #3 0x00007f5b747707cb in ?? () from /usr/lib/virtualbox/components/VBoxXPCOMIPCC.so #4 0x00007f5b7a69d47a in ?? () from /usr/lib/virtualbox/VBoxXPCOM.so #5 0x00007f5b7a996fcc in ?? () from /usr/lib/virtualbox/VBoxRT.so #6 0x00007f5b7a9f98ac in ?? () from /usr/lib/virtualbox/VBoxRT.so #7 0x00007f5b7ac9ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #8 0x00007f5b79e163fd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #9 0x0000000000000000 in ?? () (gdb) quit A debugging session is active. Inferior 1 [process 21823] will be detached. Quit anyway? (y or n) Detaching from program: /usr/lib/virtualbox/VBoxManage, process 21823