Re: [Ltib] PowerPC: Build fs_enet as module

[Stuart Hughes]

Hi Nirmala,

This is a kernel question not really an LTIB question.

As far as ltib goes, run: ./ltib -p kernel -c -f and that will unpack 
the kernel and allow you to configure it.

Regards, Stuart

Nirmala wrote:
> Hi Stuart,
> The kernel (2.6.25) is from kernel.org . Please see my earlier thread 
> for more info:
> http://lists.gnu.org/archive/html/ltib/2009-05/msg00044.html
>
> In fact We did some u-boot code changes to make the second interface 
> work. Now both eth0 and eth1 are enabled and works fine.
> However we have some performance issue while running SIP calls through 
> asterisk in out embedded system.
> for some extent we nailed it down to the network inface problem , so to 
> debug issue we need to build Ethernet driver as a module through ltib. 
> as i mentioned earlier , building fs_enet fails with below errors, I 
> would appreciate if you could guide me in building interface driver as 
> module.
>
> Thank You
> Nirmala
>
>
> Stuart Hughes wrote:
> > Hi Nirmala,
> >
> > There is no kernel-2.6.25-mpc8272ads in the bitshrine/savannah in 
> > ltib-8-1-2-sv.tar.gz. It looks like it's from Freescale. To work 
> > around this you could re-configure the kernel and de-select the 
> > failing module (so it doesn't try to build it).
> >
> > Regards, Stuart
> >
> > Nirmala wrote:
> > > Hi ,
> > > I'm trying to build Ethernet driver fs_enet as module, but build
> > > was not success.
> > >
> > > Build environment has Linux Kernel Version 2.6.25 and Ltib Version 
> > > 8.1.2 ( from bitshrine)
> > >
> > > options selected from ltib configuration - > kernel config
> > > -> Device Drivers
> > > -> Network Device support
> > > -> Ethernet (10 or 100Mbit)
> > > M - Generic MII device support
> > > M - FreeScale Ethernet Device
> > > * - Chip has FCC Enable for ethernet
> > > M - MDIO Driver for FCC
> > >
> > >
> > > Below is the build snippet with error messages :
> > > ------------------------------------------------
> > > Image Name: Linux-2.6.25
> > > Created: Fri Dec 4 09:27:11 2009
> > > Image Type: PowerPC Linux Kernel Image (gzip compressed)
> > > Data Size: 1192213 Bytes = 1164.27 kB = 1.14 MB
> > > Load Address: 0x00000000
> > > Entry Point: 0x00000000
> > > + grep -q '^CONFIG_MODULES=' ./.config
> > > + make ARCH=powerpc CROSS_COMPILE= 'HOSTCC=/usr/bin/gcc -B/usr/bin//'
> > > modules
> > > CHK include/linux/version.h
> > > CHK include/linux/utsrelease.h
> > > CALL scripts/checksyscalls.sh
> > > CC [M] drivers/net/mii.o
> > > CC [M] drivers/net/fs_enet/fs_enet-main.o
> > > CC [M] drivers/net/fs_enet/mac-fcc.o
> > > LD [M] drivers/net/fs_enet/fs_enet.o
> > > CC [M] drivers/net/fs_enet/mii-bitbang.o
> > > Building modules, stage 2.
> > > MODPOST 32 modules
> > > ERROR: "alloc_mdio_bitbang" [drivers/net/fs_enet/mii-bitbang.ko] 
> > > undefined!
> > > ERROR: "free_mdio_bitbang" [drivers/net/fs_enet/mii-bitbang.ko] 
> > > undefined!
> > > ERROR: "cpm2_immr" [drivers/net/fs_enet/fs_enet.ko] undefined!
> > > make[1]: *** [__modpost] Error 1
> > > make: *** [modules] Error 2
> > > error: Bad exit status from
> > > /home/nirmala/ltib-mpc8272ads-20080623/tmp/rpm-tmp.22420 (%build)
> > >
> > > RPM build errors:
> > > Bad exit status from
> > > /home/nirmala/ltib-mpc8272ads-20080623/tmp/rpm-tmp.22420 (%build)
> > > Build time for kernel-2.6.25-mpc8272ads: 392 seconds
> > > Failed building kernel-2.6.25-mpc8272ads
> > > f_buildrpms() returned an error, exiting
> > > traceback:
> > > main:501
> > > --------------------------------------------------------------------------------------------------------------- 
> > >
> > > Any advice would be appreciated.
> > >
> > > Thank You,
> > > Nirmala