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Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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Jim Fehlig 57349ffc10 Initialize random generator in lxc controller 
The lxc contoller eventually makes use of virRandomBits(), which was
segfaulting since virRandomInitialize() is never invoked.

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff554d560 in random_r () from /lib64/libc.so.6
(gdb) bt
0  0x00007ffff554d560 in random_r () from /lib64/libc.so.6
1  0x0000000000469eaa in virRandomBits (nbits=32) at util/virrandom.c:80
2  0x000000000045bf69 in virHashCreateFull (size=256,
    dataFree=0x4aa2a2 <hashDataFree>, keyCode=0x45bd40 <virHashStrCode>,
    keyEqual=0x45bdad <virHashStrEqual>, keyCopy=0x45bdfa <virHashStrCopy>,
    keyFree=0x45be37 <virHashStrFree>) at util/virhash.c:134
3  0x000000000045c069 in virHashCreate (size=0, dataFree=0x4aa2a2 <hashDataFree>)
    at util/virhash.c:164
4  0x00000000004aa562 in virNWFilterHashTableCreate (n=0)
    at conf/nwfilter_params.c:686
5  0x00000000004aa95b in virNWFilterParseParamAttributes (cur=0x711d30)
    at conf/nwfilter_params.c:793
6  0x0000000000481a7f in virDomainNetDefParseXML (caps=0x702c90, node=0x7116b0,
    ctxt=0x7101b0, bootMap=0x0, flags=0) at conf/domain_conf.c:4589
7  0x000000000048cc36 in virDomainDefParseXML (caps=0x702c90, xml=0x710040,
    root=0x7103b0, ctxt=0x7101b0, expectedVirtTypes=16, flags=0)
    at conf/domain_conf.c:8658
8  0x000000000048f011 in virDomainDefParseNode (caps=0x702c90, xml=0x710040,
    root=0x7103b0, expectedVirtTypes=16, flags=0) at conf/domain_conf.c:9360
9  0x000000000048ee30 in virDomainDefParse (xmlStr=0x0,
    filename=0x702ae0 "/var/run/libvirt/lxc/x.xml", caps=0x702c90,
    expectedVirtTypes=16, flags=0) at conf/domain_conf.c:9310
10 0x000000000048ef00 in virDomainDefParseFile (caps=0x702c90,
    filename=0x702ae0 "/var/run/libvirt/lxc/x.xml", expectedVirtTypes=16, flags=0)
    at conf/domain_conf.c:9332
11 0x0000000000425053 in main (argc=5, argv=0x7fffffffe2b8)
    at lxc/lxc_controller.c:1773
2012-06-20 23:28:09 -06:00
.gnulib@77cef20220 build: update to latest gnulib 2012-05-29 08:43:55 -06:00
build-aux Autogenerate augeas test case from default config files 2012-05-28 11:07:12 +01:00
daemon list: provide RPC call for snapshots 2012-06-19 13:50:03 -06:00
docs Add a custom 404 error page for the website 2012-06-18 20:10:29 +01:00
examples examples: add consolecallback example python script 2012-05-29 16:54:12 -06:00
gnulib build: fix fresh checkout on RHEL5 2012-04-19 17:11:43 -06:00
include list: add virDomainListAllSnapshots API 2012-06-19 13:50:03 -06:00
m4 maint: make it easier to copy FORTIFY_SOURCE snippet 2012-06-07 10:52:37 -06:00
po virsh: Switch from generated cmd*Edit commands to nongenerated 2012-06-02 10:40:51 +02:00
python list: provide python bindings for snapshots 2012-06-19 13:50:03 -06:00
src Initialize random generator in lxc controller 2012-06-20 23:28:09 -06:00
tests buf: support peeking at string contents 2012-06-11 09:21:27 -06:00
tools list: use the new snapshot API in virsh when possible 2012-06-19 13:50:03 -06:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore build: fix testing of augeas files in VPATH builds 2012-05-30 09:29:32 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: prune duplicate listings in AUTHORS 2012-02-03 09:56:45 -07:00
AUTHORS Fix default USB controller for ppc64 2012-06-19 15:41:55 -06:00
autobuild.sh Enable all warnings permanently & default to -Werror for GIT builds 2012-03-27 17:08:06 +01:00
autogen.sh autogen: Always abide --system 2012-06-15 14:56:57 -04:00
bootstrap build: update to latest gnulib 2012-05-29 08:43:55 -06:00
bootstrap.conf build: update to latest gnulib 2012-05-29 08:43:55 -06:00
cfg.mk build: fix sc_prohibit_readlink 2012-06-04 09:29:21 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac build: hoist qemu dependence on yajl to configure 2012-06-15 19:49:00 -06:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Document STREQ_NULLABLE and STRNEQ_NULLABLE 2011-10-06 16:50:38 +02:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in Fix typo in RPM specfile 2012-06-12 15:54:56 +01:00
Makefile.am maint: add missing copyright notices 2011-07-28 15:01:17 -06:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>