[libvirt] Segfault in virDomainObjListSearchName when listing domains (qemu backend)
Daniel P. Berrange
berrange at redhat.com
Fri Jun 25 15:50:49 UTC 2010
On Fri, Jun 25, 2010 at 05:34:56PM +0200, Guido Winkelmann wrote:
> Hi,
>
> I'm seeing a crash in libvirt when trying to list all domains using virsh.
> Here's the backtrace:
>
> =====================
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffeebfd710 (LWP 1691)]
> 0x00007ffff7411746 in __strcmp_sse42 () from /lib64/libc.so.6
> Missing separate debuginfos, use: debuginfo-install
> openssl-1.0.0a-1.fc12.x86_64
> (gdb) bt
> #0 0x00007ffff7411746 in __strcmp_sse42 () from /lib64/libc.so.6
> #1 0x00007ffff7ac9d79 in virDomainObjListSearchName (payload=0x73fdd0,
> name=<value optimized out>, data=0x7fffdc0008c0) at conf/domain_conf.c:367
> #2 0x00007ffff7ab476e in virHashSearch (table=0x6f9c30, iter=0x7ffff7ac9d50
> <virDomainObjListSearchName>, data=0x7fffdc0008c0) at util/hash.c:582
> #3 0x00007ffff7ac9d33 in virDomainFindByName (doms=<value optimized out>,
> name=0x7fffdc0008c0 "basiccentos54image") at conf/domain_conf.c:377
> #4 0x00000000004430f6 in qemudDomainLookupByName (conn=0x7fffe8000a80,
> name=0x7fffdc0008c0 "basiccentos54image") at qemu/qemu_driver.c:4166
> #5 0x00007ffff7af95cd in virDomainLookupByName (conn=0x7fffe8000a80,
> name=0x7fffdc0008c0 "basiccentos54image") at libvirt.c:2169
> #6 0x0000000000423e64 in remoteDispatchDomainLookupByName (server=<value
> optimized out>, client=<value optimized out>, conn=0x7fffe8000a80, hdr=<value
> optimized out>, rerr=0x7fffeebfcc70,
> args=<value optimized out>, ret=0x7fffeebfcbc0) at remote.c:2030
> #7 0x0000000000426a91 in remoteDispatchClientCall (server=<value optimized
> out>, client=0x7ffff0001300, msg=0x7ffff0041570) at dispatch.c:506
> #8 0x0000000000426e43 in remoteDispatchClientRequest (server=0x6e3cd0,
> client=0x7ffff0001300, msg=0x7ffff0041570) at dispatch.c:388
> #9 0x0000000000417ed8 in qemudWorker (data=0x7ffff0000908) at libvirtd.c:1568
> #10 0x00007ffff7878a3a in start_thread () from /lib64/libpthread.so.0
> #11 0x00007ffff73d377d in clone () from /lib64/libc.so.6
> #12 0x0000000000000000 in ?? ()
> (gdb)
> =====================
>
> This is with the newest version from git, pulled about 30 minutes ago.
>
> This happens when I try to start up one of the defined domains using either
> libvirt or virsh and then try to list all the defined domains in virsh using
> list --all.
>
> The attempt to start one of the domains already fails with the following
> output:
> =====================
> virsh # start testserver-a
> error: Failed to start domain testserver-a
> error: internal error process exited while connecting to monitor:
Can you provide the XML config for this guest, and the associated
/var/log/libvirt/qemu/testserver-a.log file
> 17:21:14.760: debug : virCgroupNew:542 : New group /libvirt/qemu/testserver-a
> 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 0:cpu at
> /mnt/cgroups/cpu in /sysdefault
> 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 1:cpuacct
> at /mnt/cgroups/cpuacct in /sysdefault
> 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 3:memory at
> /mnt/cgroups/memory in /sysdefault
> 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 4:devices
> at /mnt/cgroups/devices in /sysdefault
> 17:21:14.760: debug : virCgroupMakeGroup:484 : Make group
> /libvirt/qemu/testserver-a
> 17:21:14.760: debug : virCgroupMakeGroup:496 : Make controller
> /mnt/cgroups/cpu/sysdefault/libvirt/qemu/testserver-a/
> 17:21:14.760: debug : virCgroupMakeGroup:496 : Make controller
> /mnt/cgroups/cpuacct/sysdefault/libvirt/qemu/testserver-a/
> 17:21:14.760: debug : virCgroupMakeGroup:496 : Make controller
> /mnt/cgroups/memory/sysdefault/libvirt/qemu/testserver-a/
> =====================
>
> This happens with all the domains I have currently defined.
>
> Calling list --all before that produces no problems.
>
> Calling list --all after that always produces said crash.
>
> qemu is qemu-kvm 0.12.4, built from sources.
>
> The host system is a Fedora 12 install.
Daniel
--
|: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :|
|: http://libvirt.org -o- http://virt-manager.org -o- http://deltacloud.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|
More information about the libvir-list
mailing list