@Serge I took gdb debug log.
VM was stopped at this line : uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1 0.00, 0.00, 0.00 and VM was started at 7 minutes later regards --- GNU gdb (GDB) 7.1-ubuntu Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 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: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/bin/qemu-system-x86_64...(no debugging symbols found)...done. Attaching to program: /usr/bin/qemu-system-x86_64, process 2373 Error while mapping shared library sections: /lib/librt.so.1: No such file or directory. Error while mapping shared library sections: /lib/libpthread.so.0: No such file or directory. Error while mapping shared library sections: /lib/libutil.so.1: No such file or directory. Error while mapping shared library sections: /lib/libm.so.6: No such file or directory. Error while mapping shared library sections: /lib/libc.so.6: No such file or directory. warning: .dynamic section for "/lib64/ld-linux-x86-64.so.2" is not at the expected address (wrong library or version mismatch?) Error while mapping shared library sections: /lib/libdl.so.2: No such file or directory. Error while mapping shared library sections: /lib/libresolv.so.2: No such file or directory. Error while mapping shared library sections: /lib/libnsl.so.1: No such file or directory. Error while mapping shared library sections: /lib/libnss_compat.so.2: No such file or directory. Error while mapping shared library sections: /lib/libnss_nis.so.2: No such file or directory. Error while mapping shared library sections: /lib/libnss_files.so.2: No such file or directory. Error while mapping shared library sections: /lib/libcrypt.so.1: No such file or directory. Symbol file not found for /lib/librt.so.1 Symbol file not found for /lib/libpthread.so.0 Symbol file not found for /lib/libutil.so.1 Reading symbols from /usr/lib/libcurl-gnutls.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libcurl-gnutls.so.4 Reading symbols from /lib/libncurses.so.5...(no debugging symbols found)...done. Loaded symbols for /lib/libncurses.so.5 Reading symbols from /usr/lib/libasound.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libasound.so.2 Reading symbols from /usr/lib/libpulse.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpulse.so.0 Reading symbols from /usr/lib/libpulse-simple.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpulse-simple.so.0 Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libuuid.so.1 Reading symbols from /lib/libpng12.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libpng12.so.0 Reading symbols from /usr/lib/libjpeg.so.62...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libjpeg.so.62 Reading symbols from /usr/lib/libsasl2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libsasl2.so.2 Reading symbols from /usr/lib/libgnutls.so.26...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgnutls.so.26 Reading symbols from /usr/lib/libSDL-1.2.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libSDL-1.2.so.0 Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /usr/lib/libxenstore.so.3.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxenstore.so.3.0 Reading symbols from /usr/lib/libxenctrl.so.3.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxenctrl.so.3.2 Reading symbols from /usr/lib/libxenguest.so.3.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxenguest.so.3.2 Reading symbols from /lib/libaio.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libaio.so.1 Symbol file not found for /lib/libm.so.6 Reading symbols from /lib/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libz.so.1 Symbol file not found for /lib/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 /usr/lib/libidn.so.11...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libidn.so.11 Reading symbols from /usr/lib/liblber-2.4.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/liblber-2.4.so.2 Reading symbols from /usr/lib/libldap_r-2.4.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libldap_r-2.4.so.2 Reading symbols from /usr/lib/libgssapi_krb5.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgssapi_krb5.so.2 Reading symbols from /lib/libgcrypt.so.11...(no debugging symbols found)...done. Loaded symbols for /lib/libgcrypt.so.11 Symbol file not found for /lib/libdl.so.2 Reading symbols from /usr/lib/libICE.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libICE.so.6 Reading symbols from /usr/lib/libSM.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libSM.so.6 Reading symbols from /usr/lib/libXtst.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXtst.so.6 Reading symbols from /usr/lib/libpulsecommon-0.9.21.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpulsecommon-0.9.21.so Symbol file not found for /lib/libresolv.so.2 Reading symbols from /usr/lib/libtasn1.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libtasn1.so.3 Reading symbols from /usr/lib/libdirectfb-1.2.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdirectfb-1.2.so.0 Reading symbols from /usr/lib/libfusion-1.2.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfusion-1.2.so.0 Reading symbols from /usr/lib/libdirect-1.2.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdirect-1.2.so.0 Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libxcb.so.1 Reading symbols from /usr/lib/libkrb5.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libkrb5.so.3 Reading symbols from /usr/lib/libk5crypto.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libk5crypto.so.3 Reading symbols from /lib/libcom_err.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libcom_err.so.2 Reading symbols from /usr/lib/libkrb5support.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libkrb5support.so.0 Reading symbols from /lib/libkeyutils.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libkeyutils.so.1 Reading symbols from /lib/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libgpg-error.so.0 Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXext.so.6 Reading symbols from /usr/lib/libXi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXi.so.6 Reading symbols from /lib/libwrap.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libwrap.so.0 Reading symbols from /usr/lib/libsndfile.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libsndfile.so.1 Reading symbols from /lib/libdbus-1.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/libdbus-1.so.3 Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Symbol file not found for /lib/libnsl.so.1 Reading symbols from /usr/lib/libFLAC.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libFLAC.so.8 Reading symbols from /usr/lib/libvorbisenc.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libvorbisenc.so.2 Reading symbols from /usr/lib/libvorbis.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libvorbis.so.0 Reading symbols from /usr/lib/libogg.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libogg.so.0 Symbol file not found for /lib/libnss_compat.so.2 Symbol file not found for /lib/libnss_nis.so.2 Symbol file not found for /lib/libnss_files.so.2 Reading symbols from /usr/lib/sasl2/liblogin.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/sasl2/liblogin.so.2 Symbol file not found for /lib/libcrypt.so.1 Reading symbols from /usr/lib/sasl2/libdigestmd5.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/sasl2/libdigestmd5.so.2 Reading symbols from /lib/libcrypto.so.0.9.8...(no debugging symbols found)...done. Loaded symbols for /lib/libcrypto.so.0.9.8 Reading symbols from /usr/lib/sasl2/libplain.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/sasl2/libplain.so.2 Reading symbols from /usr/lib/sasl2/libcrammd5.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/sasl2/libcrammd5.so.2 Reading symbols from /usr/lib/sasl2/libanonymous.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/sasl2/libanonymous.so.2 Reading symbols from /usr/lib/sasl2/libsasldb.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/sasl2/libsasldb.so.2 Reading symbols from /usr/lib/libdb-4.8.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdb-4.8.so Reading symbols from /usr/lib/sasl2/libntlm.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/sasl2/libntlm.so.2 0x00007f1d324d76df in ?? () (gdb) where #0 0x00007f1d324d76df in ?? () #1 0x00000000416dd270 in ?? () #2 0x0000000002986c40 in ?? () #3 0x000177cafc327955 in ?? () #4 0x00000000004ab6e2 in ?? () #5 0x00000000004ab3d8 in ?? () #6 0x00000000004ab05e in ?? () #7 0x00000000004ab0ba in ?? () #8 0x000000000041bcb9 in ?? () #9 0x000000000042be37 in ?? () #10 0x000000000041cbea in ?? () #11 0x00007f1d2f3c9c4d in ?? () #12 0x0000000000000000 in ?? () (gdb) backtrace full #0 0x00007f1d324d76df in ?? () No symbol table info available. #1 0x00000000416dd270 in ?? () No symbol table info available. #2 0x0000000002986c40 in ?? () No symbol table info available. #3 0x000177cafc327955 in ?? () No symbol table info available. #4 0x00000000004ab6e2 in ?? () No symbol table info available. #5 0x00000000004ab3d8 in ?? () No symbol table info available. #6 0x00000000004ab05e in ?? () No symbol table info available. #7 0x00000000004ab0ba in ?? () No symbol table info available. #8 0x000000000041bcb9 in ?? () No symbol table info available. #9 0x000000000042be37 in ?? () No symbol table info available. #10 0x000000000041cbea in ?? () No symbol table info available. #11 0x00007f1d2f3c9c4d in ?? () No symbol table info available. #12 0x0000000000000000 in ?? () No symbol table info available. (gdb) info registers rax 0x0 0 rbx 0x2986c40 43543616 rcx 0xffffffffffffffff -1 rdx 0xffffffffff600180 -10485376 rsi 0x7fff416dd260 140734291104352 rdi 0x0 0 rbp 0x177cafc327955 0x177cafc327955 rsp 0x7fff416dd240 0x7fff416dd240 r8 0x1 1 r9 0x653a4 414628 r10 0x1 1 r11 0x202 514 r12 0x3d090 250000 r13 0x0 0 r14 0x0 0 r15 0x1 1 rip 0x7f1d324d76df 0x7f1d324d76df eflags 0x202 [ IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7f1d324d76df: cmp $0xfffffffffffff000,%rax 0x7f1d324d76e5: ja 0x7f1d324d76ec 0x7f1d324d76e7: add $0x18,%rsp 0x7f1d324d76eb: retq 0x7f1d324d76ec: mov %rax,0x8(%rsp) 0x7f1d324d76f1: callq 0x7f1d324d5020 0x7f1d324d76f6: mov 0x8(%rsp),%rsi 0x7f1d324d76fb: neg %esi 0x7f1d324d76fd: mov %esi,(%rax) 0x7f1d324d76ff: or $0xffffffffffffffff,%eax 0x7f1d324d7702: jmp 0x7f1d324d76e7 0x7f1d324d7704: data32 data32 nopw %cs:0x0(%rax,%rax,1) 0x7f1d324d7710: lea 0x202ca9(%rip),%rax # 0x7f1d326da3c0 0x7f1d324d7717: movslq %edi,%rdi 0x7f1d324d771a: mov (%rax,%rdi,8),%rdi 0x7f1d324d771e: jmpq 0x7f1d324d76d0 (gdb) thread allp pply all backtrace Thread 1 (process 2373): #0 0x00007f1d324d76df in ?? () #1 0x00000000416dd270 in ?? () #2 0x0000000002986c40 in ?? () #3 0x000177cafc327955 in ?? () #4 0x00000000004ab6e2 in ?? () #5 0x00000000004ab3d8 in ?? () #6 0x00000000004ab05e in ?? () #7 0x00000000004ab0ba in ?? () #8 0x000000000041bcb9 in ?? () #9 0x000000000042be37 in ?? () #10 0x000000000041cbea in ?? () #11 0x00007f1d2f3c9c4d in ?? () #12 0x0000000000000000 in ?? () (gdb) quit A debugging session is active. Inferior 1 [process 2373] will be detached. Quit anyway? (y or n) Detaching from program: /usr/bin/qemu-system-x86_64, process 2373 --- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/924247 Title: KVM - reboot VM problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/924247/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
