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Re: [libvirt] libvirtd crashing with network bridge configuration



On Wed, Dec 24, 2008 at 01:33:06AM +0100, Emre Erenoglu wrote:
> Hi Daniel,
> 
> On Sun, Dec 21, 2008 at 6:15 PM, Daniel P. Berrange <berrange redhat com>wrote:
> 
> > >
> > > However, I still have the crash in the dmesg output, as before, errors
> > like:
> > >
> > >
> > >
> > > sysfs: duplicate filename '0' can not be
> > > created
> > >
> > > ------------[ cut here
> > > -------------
> > >
> > > WARNING: at fs/sysfs/dir.c:424 sysfs_add_one+0x34/0xa6()
> > > ...
> > > Pid: 2616, comm: libvirtd Tainted: P         2.6.25.20-113 #1
> > > ...
> > > *kobject_add_internal failed for 0 with -EEXIST, don't try to register
> > > things with the same name in the same directory.*
> >
> > Any of these messages in the dmesg output are kernel problems, not
> > libvirt problems. The process listing you show about indicates that
> > libvirtd itself is running, and has not crashed.
> >
> > Daniel
> >
> 
> Using eclipse and gdb, I've traced the problem until this line in source
> code. Source code filename lxc_container.c, line 654, this function:
> 
> cpid = clone(lxcContainerDummyChild, childStack, flags, NULL);
> 
> is crashing something inside my kernel, which results in the messages that
> I've sent previously in this thread. 

Then I recommend you report a bug against the kernel with your OS
distribution's bug tracker. I've no idea why its crashing your kernel,
but the code works fine on vanilla Fedora kernels.


Daniel
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