[libvirt] libvirtd crashing with network bridge configuration

[Emre Erenoglu]

Hi Daniel,

On Thu, Dec 18, 2008 at 1:47 PM, Daniel P. Berrange <berrange at redhat.com>wrote:

> > ps ax shows the following output right after the service is started:
> >
> >  3605 ?        S      0:00 /usr/sbin/libvirtd --daemon
> >  3624 ?        Z      0:00 [libvirtd] <defunct>
> >
> > If I don't enable any network at  /etc/libvirt/qemu/networks/autostart,
> then
> > there's no error.
>
> This suggest libvirtd itself is *not* crashing. Some process that
> libvirtd runs is dieing - not sure which though.
>
> Please kill all libvirtd  instances, and making sure you have compiled
> with debugging info turned on (ie, '-g' compile flag), then run
>
>  # valgrind /usr/sbin/libvirtd
>
> And also try
>
>  LIBVIRT_DEBUG=1 /usr/sbin/libvirtd
>
> and send the output for both of these.


The output of these seperately, and combined (total 3 files) are attached.
Guessing that there might a compiler flag problem, here's what our default
compiler uses while compiling packages:

cflags = -mtune=generic -march=i686 -O2 -pipe -fomit-frame-pointer
-fstack-protector -D_FORTIFY_SOURCE=2
cxxflags = -mtune=generic -march=i686 -O2 -pipe -fomit-frame-pointer
-fstack-protector -D_FORTIFY_SOURCE=2
host =
i686-pc-linux-gnu

jobs = -j1
ldflags = -Wl,-O1 -Wl,-z,relro -Wl,--hash-style=gnu

A typical compile line for libvirt includes the following command, except
the -g debug flag that we added:

 gcc -DHAVE_CONFIG_H -I. -I.. -I../gnulib/lib -I../gnulib/lib -I../include
-I../include -I../qemud -I/usr/include/libxml2 -DLIBDIR=\"/usr/lib\"
-DBINDIR=\"/usr/libexec\" -DSBINDIR=\"/usr/sbin\" -DSYSCONF_DIR=\"/etc\"
-DLOCALEBASEDIR=\"/usr/share/locale\" -DLOCAL_STATE_DIR=\"/var\"
-DGETTEXT_PACKAGE=\"libvirt\" -Wall -Wformat -Wformat-security
-Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wextra -Wshadow
-Wcast-align -Wwrite-strings -Waggregate-return -Wstrict-prototypes -Winline
-Wredundant-decls -Wno-sign-compare -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fasynchronous-unwind-tables -mtune=generic -march=i686 -O2 -pipe
-fomit-frame-pointer -fstack-protector -D_FORTIFY_SOURCE=2 *-g* -MT
libvirt_driver_xen_la-xen_internal.lo -MD -MP -MF
.deps/libvirt_driver_xen_la-xen_internal.Tpo -c xen_internal.c  -fPIC -DPIC
-o .libs/libvirt_driver_xen_la-xen_internal.o


Thanks again for any insight and please don't hesitate if you need further
info from my side.

Best Regards,


Emre
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