Re: [Xen-users] [SOLVED] Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

["Olivier B." <xen.list@xxxxxxxxx>]

On 17/02/2010 18:24, Pasi Kärkkäinen wrote:
> On Wed, Feb 17, 2010 at 03:21:12PM +0100, Olivier B. wrote:
>    
> > Pasi Kärkkäinen a écrit :
> >      
> > > On Wed, Feb 17, 2010 at 01:49:46PM +0100, Olivier B. wrote:
> > >
> > >        
> > > > For example :
> > > > name        = 'athena'
> > > > kernel      = '/boot/vmlinuz-2.6.31.12-dae-xen'
> > > > ramdisk        = '/boot/initrd.img-2.6.31.12-dae-xen'
> > > > memory      = '1024'
> > > > root        = 'root=/dev/mapper/vg--athena-root ro rootflags=data=writeback'
> > > > disk        = [ 'drbd:athena-disk,sda,w' ]
> > > > vif         = [ 'mac=02:00:00:00:04:3f' ]
> > > > extra        = 'rootdelay=1 raid=noautodetect'
> > > > on_poweroff = 'destroy'
> > > > on_reboot   = 'restart'
> > > > on_crash    = 'restart'
> > > >
> > > >
> > > >          
> > > What if you also specify the bridge on the vif line?
> > >
> > > -- Pasi
> > >
> > >
> > >        
> > Same result with "vif         = [ 'mac=02:00:00:00:04:3f,bridge=xenbr0' ]" :
> >
> >      
> Weird. what if you also specify script=foo and create /etc/xen/scripts/foo,
> which only has "exit 0" in it, and is executable.
>
> Also worth trying without the drbd: disk.. the error is about vif,
> but good to verify with normal file: or phy: disks aswell. You never know :)
>
> -- Pasi
>
>    
> > I obtain "Error: Device 0 (vif) could not be connected. Hotplug scripts
> > not working." after 100 seconds.
> >
> > And udev monitor said :
> > UEVENT[1266416315.932082] add      /devices/vbd-11-2048 (xen-backend)
> > UDEV  [1266416315.938359] add      /devices/vbd-11-2048 (xen-backend)
> > UEVENT[1266416315.960950] add      /devices/vif-11-0 (xen-backend)
> > UDEV  [1266416315.961748] add      /devices/vif-11-0 (xen-backend)
> > UEVENT[1266416315.969379] add      /devices/vif-11-0/net/vif11.0 (net)
> > UEVENT[1266416315.970659] online   /devices/vif-11-0 (xen-backend)
> > UDEV  [1266416315.980741] add      /devices/vif-11-0/net/vif11.0 (net)
> > UDEV  [1266416315.982675] online   /devices/vif-11-0 (xen-backend)
> > UEVENT[1266416316.094038] add      /devices/console-11-0 (xen-backend)
> > UDEV  [1266416316.095965] add      /devices/console-11-0 (xen-backend)
> >
> > UEVENT[1266416355.592132] add      /kernel/uids/101 (uids)
> > UDEV  [1266416355.592846] add      /kernel/uids/101 (uids)
> > UEVENT[1266416356.623642] remove   /kernel/uids/101 (uids)
> > UDEV  [1266416356.625038] remove   /kernel/uids/101 (uids)
> >
> > UDEV  [1266416397.419326] remove   /devices/vif-10-0/net/vif10.0 (net)
> > UDEV  [1266416397.439092] remove   /devices/vif-10-0 (xen-backend)
> >
> > UEVENT[1266416416.855557] remove   /devices/console-11-0 (xen-backend)
> > UDEV  [1266416416.858075] remove   /devices/console-11-0 (xen-backend)
> > UEVENT[1266416416.894895] remove   /devices/vbd-11-2048 (xen-backend)
> > UDEV  [1266416416.896732] remove   /devices/vbd-11-2048 (xen-backend)
> > UEVENT[1266416416.900803] offline  /devices/vif-11-0 (xen-backend)
> > UEVENT[1266416416.925352] remove   /devices/vif-11-0/net/vif11.0 (net)
> > UEVENT[1266416416.936165] remove   /devices/vif-11-0 (xen-backend)
> >
> > Olivier
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >      
Hi,

so... it's my fault : my .config was different... If I take the same 
.config file it works well, with DRBD too.
Now I have to found witch kernel parameter is needed for Xen.

I suspect one of this flags :

in the working .config :
< CONFIG_SYSFS_DEPRECATED=y
< CONFIG_SYSFS_DEPRECATED_V2=y
< CONFIG_KALLSYMS_ALL=y
< # CONFIG_X86_PAT is not set
< CONFIG_UNUSED_SYMBOLS=y
< CONFIG_FRAME_POINTER=y

in the not working .config :
> # CONFIG_SYSFS_DEPRECATED_V2 is not set
> CONFIG_X86_PAT=y
> # CONFIG_UNUSED_SYMBOLS is not set
> # CONFIG_FRAME_POINTER is not set

Any idea ? Anyway I will do some tests to try to identify which one is 
required by Xen.
Thanks,
Olivier

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