Hi Ben, I tried running /sbin/modinfo on the same file as insmod and I obtained the following:
root@openflow:/home/openflow/openvswitch-1.1.0pre2# /sbin/modinfo /lib/modules/2.6.32-28-generic/kernel/net/bridge/bridge.ko filename: /lib/modules/2.6.32-28-generic/kernel/net/bridge/bridge.ko version: 2.3 license: GPL srcversion: 7F81763D8FF0740B7DEF245 depends: stp vermagic: 2.6.32-28-generic SMP mod_unload modversions 586 root@openflow:/home/openflow/openvswitch-1.1.0pre2# /sbin/modinfo datapath/linux-2.6/openvswitch_mod.ko filename: datapath/linux-2.6/openvswitch_mod.ko license: GPL description: Open vSwitch switching datapath srcversion: CE4DC93BDC62C0F17C1636B depends: vermagic: 2.6.32-28-generic SMP mod_unload modversions 586 Both the vermagic seems to be the same. But, I still get the following error message: insmod: error inserting './datapath/linux-2.6/openvswitch_mod.ko': -1 Invalid module format Could you please advice? Thanks, Danie On Thu, May 26, 2011 at 6:30 PM, Ben Pfaff <b...@nicira.com> wrote: > I want you to run modinfo on the same file you ran insmod on. > > On Thu, May 26, 2011 at 06:07:41PM +0200, Daniel Philip wrote: > > Sorry Ben, I don't get you. > > > > when I type, $/sbin/modinfo, I don't see anything. I followed the same > > exact steps: > > > > $ wget http://openvswitch.org/releases/openvswitch-1.1.0pre2.tar.gz > > $ tar zxvf openvswitch-1.1.0pre2.tar.gz > > $ cd openvswitch-1.1.0pre2 > > > > Step2. Compile > > > > > > $ ./boot.sh > > $ ./configure --with-l26=/lib/modules/`uname -r` > > $ make > > > > Step3. Run OpenFlow switchInsert OpenFlow kernel module, > openvswitch_mod.ko. > > > > > > $ su - > > # /sbin/insmod ./datapath/linux-2.6/openvswitch_mod.ko > > > > > > > > On Thu, May 26, 2011 at 6:01 PM, Ben Pfaff <b...@nicira.com> wrote: > > > > > It's the same file you passed to insmod. > > > > > > On Thu, May 26, 2011 at 06:00:08PM +0200, Daniel Philip wrote: > > > > Hi Ben, > > > > > > > > Thanks for replying. I tried % /sbin/modinfo /lib/modules/`uname > > > > -r`/kernel/net/bridge/bridge.ko and obtained the following > > > > > > > > openflow@openflow:~/openvswitch-1.1.0pre2$ /sbin/modinfo > > > > /lib/modules/2.6.32-28-generic/kernel/net/bridge/bridge.ko > > > > filename: > > > /lib/modules/2.6.32-28-generic/kernel/net/bridge/bridge.ko > > > > version: 2.3 > > > > license: GPL > > > > srcversion: 7F81763D8FF0740B7DEF245 > > > > depends: stp > > > > vermagic: 2.6.32-28-generic SMP mod_unload modversions 586 > > > > > > > > > > > > But, I could not find openvswitch_mod.ko under /sbin/modinfo. > > > > > > > > Could you please assist ? > > > > > > > > Thanks, > > > > Daniel > > > > > > > > > > > > > > > > On Thu, May 26, 2011 at 5:55 PM, Ben Pfaff <b...@nicira.com> wrote: > > > > > > > > > On Thu, May 26, 2011 at 05:46:15PM +0200, Daniel Philip wrote: > > > > > > I get the following message when I try to run openvswitch using > > > > > "/sbin/insmod > > > > > > ./datapath/linux-2.6/openvswitch_mod.ko" > > > > > > > > > > > > insmod: error inserting > './datapath/linux-2.6/openvswitch_mod.ko': -1 > > > > > > Operation not permitted > > > > > > > > > > > > Hence, I tried dmesg | test and it shows the following message: > > > > > > > > > > > > openvswitch_mod: disagrees about version of symbol module_layout > > > > > > > > > > > > Could anyone please let me know what should I be doing to avoid > this? > > > > > > > > > > I imagine that you built against some kernel version other than the > > > > > one that is running. > > > > > > > > > > Run "modinfo" on openvswitch_mod.ko and on a module built for the > > > > > running kernel, e.g.: > > > > > > > > > > % /sbin/modinfo openvswitch_mod.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. > > > > > > > > >
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