[libvirt] Error in virt-install

[Nuno Fernandes]

Hi,

After applying your patch i didn't get any error like memory corruption.
Nevertheless i was able to access graphics using vnc. Even specifying vnc it 
tries to open display (maybe something requires it - virt-viewer).

[root at localhost ~]# virt-install  -n test -r 512 --vnc --
file=/dev/VolGroup00/test-os --location=ftp://mirrors/centos/5/os/i386 -x 
'text' --vncport=5900                                                                                                  


Starting install...
Retrieving file .treeinfo 100% |=========================|  413 B    00:00     
Retrieving file vmlinuz.. 100% |=========================| 2.1 MB    00:00     
Retrieving file initrd.im 100% |=========================| 5.4 MB    00:00     
Creating domain...                                                 0 B 00:01   

(virt-viewer:4021): Gtk-WARNING **: cannot open display:  
Domain installation still in progress.  You can reconnect to 
the console to complete the installation process.           

I access the console using vnc but as you said, after the instalation 
completes it didn't restart. It disappeared from "virsh list" but i'm able to 
start it again using:

[root at localhost ~]# virsh start test
Domain test started
[root at localhost ~]# virsh list
 Id Name                 State
----------------------------------
  0 Domain-0             running
  3 test                 idle

If there's anything i can do to help please let me know.

Best regards,
Nuno Fernandes


On Tuesday 10 March 2009 10:21:01 Daniel Veillard wrote:
> On Tue, Mar 10, 2009 at 10:16:26AM +0100, Daniel Veillard wrote:
> > > Starting install...
> > > *** glibc detected *** /usr/bin/python: free(): invalid next size
> > > (fast):
> >
> >   Yes I'm seeing this too on 0.6.1 on RHEL-5.3, I'm trying to chase it
> > down, it's a bit hard to find out where the memory corruption occurs.
> >
> > > I've memtested the memory and its fine. If i use a file as the target
> > > (instead of a block device) it also works:
> > >
> > > virt-install -n test -r 512 --vnc --file=/tmp/test-os --file-size=2 --
> > > location=ftp://mirrors/centos/5/os/i386
> >
> >   yes I get the crash with a file based target too.
> >   I'm investigating ...
>
>   I guess I nailed it down, it's something we introduced when converting
> memory allocation, and since the block getting allocated includes both
> char * and char we failed to allocate enough space for the leading
> char * array.
>   With this patch I was able to create a new guest and have it load
> with virt-install (but just in serial concole, graphics didn't work
> for some reason), it disapeared from the domain list too after being
> restarted at the end of the installation, so there is more stuff to
> be fixed on RHEL/Centos Xen, but that one seems solved,
>
> Daniel

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