[ovs-discuss] discuss Digest, Vol 41, Issue 14

hasan mustafa hasan8322 at gmail.com
Mon Nov 19 07:51:13 UTC 2012


ok thanks for your advise,,i will try

On Mon, Nov 19, 2012 at 3:00 AM, <discuss-request at openvswitch.org> wrote:

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> Today's Topics:
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>    1. error inserting brcompat (hasan mustafa)
>    2. Re: error inserting brcompat (Ben Pfaff)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 18 Nov 2012 22:55:52 +0700
> From: hasan mustafa <hasan8322 at gmail.com>
> Subject: [ovs-discuss] error inserting brcompat
> To: discuss at openvswitch.org
> Message-ID:
>         <CAOw61QVm_5uMLQz49PhpRWJi_=
> qN750tMhLOxj7ywWfxdAqXPQ at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> i'm succesfully install Open vSwitch on Ubuntu 12.04. however i get some
> problem, when i reboot my machine, and i try to start open vswitch service,
> i get some error
>
>  /etc/init.d/openvswitch-switch start
> FATAL: Error inserting brcompat_mod
> (/lib/modules/3.2.0-33-generic-pae/kernel/brcompat_mod.ko): Invalid module
> format
>  * Inserting brcompat module
> Module has probably not been built for this kernel.
> For instructions, read
> /usr/share/doc/openvswitch-datapath-source/README.Debian
> FATAL: Error inserting brcompat_mod
> (/lib/modules/3.2.0-33-generic-pae/kernel/brcompat_mod.ko): Invalid module
> format
>  * Inserting brcompat module
>
> any sugesstions are welcome....thanks before
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> ------------------------------
>
> Message: 2
> Date: Sun, 18 Nov 2012 09:57:02 -0800
> From: Ben Pfaff <blp at nicira.com>
> Subject: Re: [ovs-discuss] error inserting brcompat
> To: hasan mustafa <hasan8322 at gmail.com>
> Cc: discuss at openvswitch.org
> Message-ID: <20121118175702.GA2477 at nicira.com>
> Content-Type: text/plain; charset=us-ascii
>
> On Sun, Nov 18, 2012 at 10:55:52PM +0700, hasan mustafa wrote:
> > i'm succesfully install Open vSwitch on Ubuntu 12.04. however i get some
> > problem, when i reboot my machine, and i try to start open vswitch
> service,
> > i get some error
> >
> >  /etc/init.d/openvswitch-switch start
> > FATAL: Error inserting brcompat_mod
> > (/lib/modules/3.2.0-33-generic-pae/kernel/brcompat_mod.ko): Invalid
> module
> > format
> >  * Inserting brcompat module
> > Module has probably not been built for this kernel.
> > For instructions, read
> > /usr/share/doc/openvswitch-datapath-source/README.Debian
> > FATAL: Error inserting brcompat_mod
> > (/lib/modules/3.2.0-33-generic-pae/kernel/brcompat_mod.ko): Invalid
> module
> > format
> >  * Inserting brcompat module
>
> Here's the advice from INSTALL:
>
> 6. If you built kernel modules, you may load them with "insmod", e.g.:
>
>       % insmod datapath/linux/openvswitch.ko
>
>    You may need to specify a full path to insmod, e.g. /sbin/insmod.
>    To verify that the modules have been loaded, run "/sbin/lsmod" and
>    check that openvswitch is listed.
>
>    If the "insmod" operation fails, look at the last few kernel log
>    messages (e.g. with "dmesg | tail"):
>
>       - The message "openvswitch: exports duplicate symbol
>         br_should_route_hook (owned by bridge)" means that the bridge
>         module is loaded.  Run "/sbin/rmmod bridge" to remove it.
>
>         If "/sbin/rmmod bridge" fails with "ERROR: Module bridge does
>         not exist in /proc/modules", then the bridge is compiled into
>         the kernel, rather than as a module.  Open vSwitch does not
>         support this configuration (see "Build Requirements", above).
>
>       - The message "openvswitch: exports duplicate symbol
>         dp_ioctl_hook (owned by ofdatapath)" means that the ofdatapath
>         module from the OpenFlow reference implementation is loaded.
>         Run "/sbin/rmmod ofdatapath" to remove it.  (You might have to
>         delete any existing datapaths beforehand, using the "dpctl"
>         program included with the OpenFlow reference implementation.
>         "ovs-dpctl" will not work.)
>
>       - Otherwise, the most likely problem is that Open vSwitch was
>         built for a kernel different from the one into which you are
>         trying to load it.  Run "modinfo" on openvswitch.ko and on
>         a module built for the running kernel, e.g.:
>
>            % /sbin/modinfo openvswitch.ko
>            % /sbin/modinfo /lib/modules/`uname
> -r`/kernel/net/bridge/bridge.ko
>
>         Compare the "vermagic" lines output by the two commands.  If
>         they differ, then Open vSwitch was built for the wrong kernel.
>
>       - If you decide to report a bug or ask a question related to
>         module loading, please include the output from the "dmesg" and
>         "modinfo" commands mentioned above.
>
>
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> End of discuss Digest, Vol 41, Issue 14
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