Re: [libvirt] broken pipe?
On Wed, Dec 03, 2008 at 02:25:58AM -0500, Itamar Heim wrote:
As no one answered my previous problem., I'm trying to build
latest
libvirt to be able to be more productive and find out if happens on later
versions.
Some silly questions to save time (on FC10 64):
1. Can one build without xen-devel (the autobuild.sh does not care
for --without-xen
configure: error: You must install the Xen development package to compile
Xen driver with -lxenstore
(I installed xen-devel to bypass for now)
autobuild.sh is our automated build system for dev purposes, so it forces
enablement of everything.
For your own builds from CVS, just run autogen.sh and pass whatever
flags you need. Or just install xen-devel as you mention.
2. checking libxml2 xml2-config >= 2.5.0 ... configure: error: Could
not find libxml2 anywhere (see config.log for details)
but
Package libxml2-2.7.2-2.fc10.x86_64 already installed and latest version?
You need the development package libxml2-devel for compilation. Also
make sure yum gives you the 64-bit -devel package, not just the -32bit
one.
3. already found the SDL patch is part of 0.50. since the
build
failed, I installed the rpm:
rpm -i /tmp/libvirt-0.5.0-1.fc9.x86_64.rpm
The version number here says it was built for Fedora 9
warning: /tmp/libvirt-0.5.0-1.fc9.x86_64.rpm: Header V3 DSA
signature:
NOKEY, key ID de95bc1f
error: Failed dependencies:
libgnutls.so.13()(64bit) is needed by libvirt-0.5.0-1.fc9.x86_64
libgnutls.so.13(GNUTLS_1_3)(64bit) is needed by
libvirt-0.5.0-1.fc9.x86_64
But you mention above you are on Fedora 10. As a general rule you
can't mix & match builds like this. The Fedora 9 GNUTLS has a differnt
ABI to the Fedora 10 GNUTLS, hence why RPM complains when trying to
install a libvirt built on F9, on F10.
4. as for the python-libvirt rpm
Seems the libvirt-python spec does not check for some dependency of cygwin
(why would I need that on fedora)?
Traceback (most recent call last):
File "./test_libvirt.py", line 2, in <module>
import libvirt
File "/usr/lib64/python2.5/site-packages/libvirt.py", line 12, in
<module>
import cygvirtmod as libvirtmod
ImportError: No module named cygvirtmod
You only get this becasue the first 'import libvirt' failed for
some reason - I guess the libvirt-python vs libvirt RPMs you have
installed are not matching.
If you are compiling from source from CVS, you generally need to make
sure you set
export LD_LIBRARY_PATH=$PREFIX/lib
export PYTHONPATH=$PREFIX/lib/python2.5/site-packages
replacing $PREFIX with whatever --prefix value you gave to configure
I happen to want to use SDL, and it fails on "Could not
initialize SDL -
exiting".
While I need to solve this error (i.e., find out in which version this
patch was included to allow me to specify the DISPLAY
http://www.mail-archive.com/libvir-list@redhat.com/msg08764.html)
That patch is in 0.5.0 release
./test_libvirt.py
libvir: Remote error : socket closed unexpectedly
Traceback (most recent call last):
File "./test_libvirt.py", line 37, in <module>
vm = c.createLinux(x, 0) # what a lousy function name
File "/usr/lib64/python2.5/site-packages/libvirt.py", line 892, in
createLinux
if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirt.libvirtError: socket closed unexpectedly
libvir: Remote error : Broken pipe
This indicates a bug in the libvirtd daemon - it is probably crashing.
If you want to investigate, then use do 'debuginfo-install libvirt'
and use gdb to capture a stack trace
Code:
#!/usr/bin/env python
import libvirt
c = libvirt.open('qemu:///system')
x = """<domain type='kvm'>
[snip]
<graphics type='sdl'/>
You really need to set
<graphics type='sdl' display='0.0' and xauth='....some xuath
file'/>
The libvirtd daemon blocks any $DISPLAY env set when it was started, so
without explicitly setting the display in the XML you'll be very unlikely
to start SDL.
Daniel
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