Am 18.02.2015 um 17:35 schrieb poma:
On 18.02.2015 12:45, Meikel wrote:
Am 17.02.2015 um 19:45 schrieb poma:
$ su -c 'yum install kernel-devel'
~~~~~~~~
$ wget \
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/plain/drivers/net/ethernet/agere/et131x.h \
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/plain/drivers/net/ethernet/agere/et131x.c
~~~~~~~~~~~~~~
$ cat Makefile
obj-m += et131x.o
KDIR := /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
default:
$(MAKE) -C $(KDIR) M=$(PWD) modules
~~~~~~
$ make
$ su
# cp et131x.ko /lib/modules/$(uname -r)/updates
# depmod
# modinfo et131x
filename: /lib/modules/3.18.7-200.fc21.x86_64/updates/et131x.ko
description: 10/100/1000 Base-T Ethernet Driver for the ET1310 by Agere Systems
license: Dual BSD/GPL
author: Mark Einon <mark.einon@xxxxxxxxx>
author: Victor Soriano <vjsoriano@xxxxxxxxx>
alias: pci:v000011C1d0000ED01sv*sd*bc*sc*i*
alias: pci:v000011C1d0000ED00sv*sd*bc*sc*i*
depends:
vermagic: 3.18.7-200.fc21.x86_64 SMP mod_unload
# modprobe -v et131x
insmod /lib/modules/3.18.7-200.fc21.x86_64/updates/et131x.ko
# dmesg -t
et131x: module verification failed: signature and/or required key missing - tainting kernel
Works?
First I have to say that the machine running Fedora 21 is not connected
to network (since Agere Et-131x is the only network card). From my
understanding commands like "yum install ..." or "wget ..." will not run
on that machine without network connectivity. Therefore I installed a
Fedora 21 into a virtualbox on my Win 7 and followed the steps you
described there:
It went fine until the "cp et131x.ko /lib/modules/$(uname -r)/updates"
command. When reaching that step I did transfer the et131x.ko via USB
stick to the target machine. There I did continue with the procedure you
described.
When running "modprobe -v et131x" on the target machine it failed with
the following message:
sudo modprobe -v et131x
insmod /lib/modules/3.17.4-301.fc21.i686/updates/et131x.ko
modprobe: ERROR: could not insert 'et131x': Exec format error
To get some more information I then ran "file" and "uname" commands:
file /lib/modules/3.17.4-301.fc21.i686/updates/et131x.ko
/lib/modules/3.17.4-301.fc21.i686/updates/et131x.ko: ELF 32-bit LSB
relocatable, Intel 80386, version 1 (SYSV),
BuildID[sha1]=fa9fe5876be08f1c23a9873e78460196bc67effb, not stripped
uname -a
Linux thetarget.localdomain 3.17.4-301.fc21.i686 #1 SMP Thu Nov 27
19:32:52 UTC 2014 i686 i686 i386 GNU/Linux
On the machine where I built the et131x.ko file I also ran "uname" command:
uname -a
Linux thebuilder.localdomain 3.18.7-200.fc21.i686 #1 SMP Wed Feb 11
22:26:31 UTC 2015 i686 i686 i386 GNU/Linux
I installed it from the same installation media but unfortunately ran
"yum update" before building the et131x.ko file. So the kernel versions
on the two machines differ. Before following your recipe I started
building a custom kernel, so I have some ~/rpmbuild directory, perhaps
this does in some way conflict with your description.
Whenever you used "su" command in your description I used "sudo"
command, I hope that this will not lead to problems.
I'm not sure if it is valid to build the et131x.ko file on another
machine, so I'll try to find an USB-Ethernet-Card to bring the target
machine to the network and then again run thoses steps you described
directly on the target machine.
Thanks,
Meikel
You mixed versions of the kernel.
Sync them and it should go. ;)
Thanks a lot, now it works, but there are two questions remaining,
because it's not clear to me what it means that I "mixed versions of the
kernel". Now I'm wondering if future system updates (i.e. yum update)
can lead to the driver no longer working and the need to build it again?
I'd like to try out a different F21 spin, i.e. the LXDE. If I do a fresh
installation from such a spin, can I then copy my existing et131x.ko
file to the new installation, or do I have to build it again from scratch?
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