HI all, Libvirtd of version 0.9.10, when several VMs migrate intercurrently, there comes up with the follow problem. Has anyone come up against this problem? How can I fix it, Any suggestions appreciated. thank you very much. (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. 0x00007fce7b332fde in ?? () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) bt #0 0x00007fce7b332fde in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007fce7b335a45 in malloc () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007fce7b330314 in _IO_str_overflow () from /lib/x86_64-linux-gnu/libc.so.6 #3 0x00007fce7b32ebcd in _IO_default_xsputn () from /lib/x86_64-linux-gnu/libc.so.6 #4 0x00007fce7b2fcbee in vfprintf () from /lib/x86_64-linux-gnu/libc.so.6 #5 0x00007fce7b325b64 in vasprintf () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x0000000000504abc in virVasprintf (strp=0x7fce780b3bc0, fmt=0x7fce7ccbf8d1 "%d: %s : %s:%lld : %s\n", list=0x7fce780b3a20) at util/util.c:1809 #7 0x0000000000504ba1 in virAsprintf (strp=0x7fce780b3bc0, fmt=0x7fce7ccbf8d1 "%d: %s : %s:%lld : %s\n") at util/util.c:1827 #8 0x00007fce7cba52a7 in virLogFormatString (msg=0x7fce780b3bc0, funcname=0x7fce7cce7320 "virNetServerHandleJob", linenr=138, priority=1, str=0x7fce60011440 "server=0x252acf0 client=0x252f020 message=0x25363c0 prog=0x25361b0") at util/logging.c:640 #9 0x00007fce7cba5505 in virLogMessage (category=0x7fce7cce6f17 "file.rpc/virnetserver.c", priority=1, funcname=0x7fce7cce7320 "virNetServerHandleJob", linenr=138, flags=0, fmt=0x7fce7cce6ef0 "server=%p client=%p message=%p prog=%p") at util/logging.c:725 #10 0x00007fce7cc8ca7e in virNetServerHandleJob (jobOpaque=0x2531ca0, opaque=0x252acf0) at rpc/virnetserver.c:137 #11 0x00007fce7cbb52c6 in virThreadPoolWorker (opaque=0x25107b0) at util/threadpool.c:144 #12 0x00007fce7cbb4ccf in virThreadHelper (data=0x2510720) at util/threads-pthread.c:165 #13 0x00007fce7b87ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #14 0x00007fce7b3a54bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #15 0x0000000000000000 in ?? () (gdb) c Continuing. [Thread 0x7fce790b6700 (LWP 37763) exited] ------------------------------------------------------------------------------------------------------------------------------------- ???????????????????????????????????????? ???????????????????????????????????????? ???????????????????????????????????????? ??? This e-mail and its attachments contain confidential information from H3C, which is intended only for the person or entity whose address is listed above. Any use of the information contained herein in any way (including, but not limited to, total or partial disclosure, reproduction, or dissemination) by persons other than the intended recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it!