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Re: [libvirt] libvirtd(0.9.10) crashed with Segmentation fault, Is someone ever come up against this problem , thanks

On 2013年03月21日 10:14, Caizhifeng wrote:
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


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

Hum, this looks like we have memory corruption somewhere prior to this
crash. Just like:


Could you try to see if it can be produced with setting MALLOC_CHECK_
to 1 when starting libvirtd (follow comment 15 of 910422?)


We have to find out the corruption anyway if it's the same cause with
#BZ 910422, otherwise it can bite us from time to time.

#2 0x00007fce7b330314 in _IO_str_overflow () from

#3 0x00007fce7b32ebcd in _IO_default_xsputn () from

#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

#10 0x00007fce7cc8ca7e in virNetServerHandleJob (jobOpaque=0x2531ca0,
opaque=0x252acf0) at rpc/virnetserver.c:137

#11 0x00007fce7cbb52c6 in virThreadPoolWorker (opaque=0x25107b0) at

#12 0x00007fce7cbb4ccf in virThreadHelper (data=0x2510720) at

#13 0x00007fce7b87ae9a in start_thread () from

#14 0x00007fce7b3a54bd in clone () from /lib/x86_64-linux-gnu/libc.so.6

#15 0x0000000000000000 in ?? ()

(gdb) c


[Thread 0x7fce790b6700 (LWP 37763) exited]

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