[gentoo-user] Can't compile Ethernet bridge

[gentoo-user] Can't compile Ethernet bridge

[Florian Philipp]

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Hi!

I tried to add 
Networking --->
	Networking options  --->
         	<M> 802.1d Ethernet Bridging

to my kernel (gentoo-sources 2.6.20-r8) but I get the following output:

$ make modules
  CHK     include/linux/version.h
  CHK     include/linux/utsrelease.h
  Building modules, stage 2.
  MODPOST 144 modules
WARNING: "br_fdb_get_hook" [net/bridge/bridge.ko] undefined!
WARNING: "br_fdb_put_hook" [net/bridge/bridge.ko] undefined!
WARNING: "br_handle_frame_hook" [net/bridge/bridge.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2

What's the problem?

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Re: [gentoo-user] Can't compile Ethernet bridge

[Sascha Hlusiak]

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> $ make modules
Please use just "make" in 2.6.x kernels. Should work then.

Greetings,
Sascha

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Re: [gentoo-user] Can't compile Ethernet bridge

[Florian Philipp]

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Am Samstag 28 Juli 2007 15:24 schrieb Sascha Hlusiak:
> > $ make modules
>
> Please use just "make" in 2.6.x kernels. Should work then.
>
> Greetings,
> Sascha

I have to correct myself: Now it compiles but I get the following output:

$ modprobe -v bridge
insmod /lib/modules/2.6.20-gentoo-r8/kernel/net/bridge/bridge.ko
FATAL: Error inserting bridge 
(/lib/modules/2.6.20-gentoo-r8/kernel/net/bridge/bridge.ko): Unknown symbol 
in module, or unknown parameter (see dmesg)

$ dmesg
bridge: Unknown symbol br_handle_frame_hook
bridge: Unknown symbol br_fdb_put_hook
bridge: Unknown symbol br_fdb_get_hook

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Re: [gentoo-user] Can't compile Ethernet bridge

[Sascha Hlusiak]

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> $ modprobe -v bridge
> insmod /lib/modules/2.6.20-gentoo-r8/kernel/net/bridge/bridge.ko
> FATAL: Error inserting bridge
> (/lib/modules/2.6.20-gentoo-r8/kernel/net/bridge/bridge.ko): Unknown symbol
> in module, or unknown parameter (see dmesg)
>
> $ dmesg
> bridge: Unknown symbol br_handle_frame_hook
> bridge: Unknown symbol br_fdb_put_hook
> bridge: Unknown symbol br_fdb_get_hook

Mh, the symbols are defined in my bridge.ko...

Did you run "make modules_install" and "modules-update"? Sometimes it may help 
too, to use the new kernel image and reboot until you can use new modules.

Greetings,
Sascha


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Re: [gentoo-user] Can't compile Ethernet bridge

[Florian Philipp]

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Am Samstag 28 Juli 2007 15:55 schrieb Sascha Hlusiak:
> > $ modprobe -v bridge
> > insmod /lib/modules/2.6.20-gentoo-r8/kernel/net/bridge/bridge.ko
> > FATAL: Error inserting bridge
> > (/lib/modules/2.6.20-gentoo-r8/kernel/net/bridge/bridge.ko): Unknown
> > symbol in module, or unknown parameter (see dmesg)
> >
> > $ dmesg
> > bridge: Unknown symbol br_handle_frame_hook
> > bridge: Unknown symbol br_fdb_put_hook
> > bridge: Unknown symbol br_fdb_get_hook
>
> Mh, the symbols are defined in my bridge.ko...
>
> Did you run "make modules_install" and "modules-update"? Sometimes it may
> help too, to use the new kernel image and reboot until you can use new
> modules.
>
> Greetings,
> Sascha

Your last tip worked. Thanks again!

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