OS: CentOS 7
I'm building an image for a diskless workstation, and it turns out about
25% of the clients don't work (great description).
The problem is the laptop NIC hardware. What I found works are the
older laptops that use the e1000 NIC, but some newer ones don't work -
they are using something else. I tried to create the initramdisk using
dracut:
dracut --force -m "nfs network base" drive3testing.img
3.10.0-327.36.3.el7.x86_64
and when I look at the modules included, I get:
[root@localhost tftpboot]# lsinitrd drive3testing.img | grep ethernet
drwxr-xr-x 4 root root 0 Nov 29 21:54
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet
drwxr-xr-x 3 root root 0 Nov 29 21:54
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/intel
drwxr-xr-x 2 root root 0 Nov 29 21:54
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/intel/e1000e
-rw-r--r-- 1 root root 389989 Oct 24 09:50
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/intel/e1000e/e1000e.ko
drwxr-xr-x 2 root root 0 Nov 29 21:54
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/realtek
-rw-r--r-- 1 root root 51205 Oct 24 09:50
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/realtek/8139cp.ko
-rw-r--r-- 1 root root 68877 Oct 24 09:50
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/realtek/8139too.ko
[root@localhost tftpboot]#
yet the number of ethernet kernel modules are far greater:
[root@localhost tftpboot]# find
/usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet
-type f -exec basename {} \;
alx.ko
atl1c.ko
atl1e.ko
atl1.ko
atl2.ko
b44.ko
bnx2.ko
bnx2x.ko
cnic.ko
tg3.ko
bna.ko
at91_ether.ko
macb.ko
xgmac.ko
cxgb3.ko
cxgb4.ko
cxgb4vf.ko
enic.ko
de2104x.ko
de4x5.ko
dmfe.ko
tulip.ko
uli526x.ko
winbond-840.ko
xircom_cb.ko
dnet.ko
be2net.ko
ethoc.ko
ipg.ko
e1000.ko
e1000e.ko
fm10k.ko
i40e.ko
i40evf.ko
igb.ko
igbvf.ko
ixgbe.ko
ixgbevf.ko
jme.ko
mvmdio.ko
skge.ko
sky2.ko
mlx4_core.ko
mlx4_en.ko
mlx5_core.ko
myri10ge.ko
pch_gbe.ko
netxen_nic.ko
qla3xxx.ko
qlcnic.ko
qlge.ko
8139cp.ko
8139too.ko
r8169.ko
sfc.ko
epic100.ko
smsc9420.ko
tlan.ko
[root@localhost tftpboot]#
So I thought I found the answer, and shoved that list into the dracut
command like so:
[root@localhost tftpboot]# dracut --force -m "nfs network base `find
/usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet
-type f -exec basename {} \;`" drivewipe3testing.img
3.10.0-327.36.3.el7.x86_64
dracut module 'alx.ko' cannot be found or installed.
dracut module 'atl1c.ko' cannot be found or installed.
dracut module 'atl1e.ko' cannot be found or installed.
dracut module 'atl1.ko' cannot be found or installed.
dracut module 'atl2.ko' cannot be found or installed.
dracut module 'b44.ko' cannot be found or installed.
dracut module 'bnx2.ko' cannot be found or installed.
dracut module 'bnx2x.ko' cannot be found or installed.
dracut module 'cnic.ko' cannot be found or installed.
dracut module 'tg3.ko' cannot be found or installed.
dracut module 'bna.ko' cannot be found or installed.
dracut module 'at91_ether.ko' cannot be found or installed.
dracut module 'macb.ko' cannot be found or installed.
dracut module 'xgmac.ko' cannot be found or installed.
dracut module 'cxgb3.ko' cannot be found or installed.
:
dracut module 'epic100.ko' cannot be found or installed.
dracut module 'smsc9420.ko' cannot be found or installed.
dracut module 'tlan.ko' cannot be found or installed.
[root@localhost tftpboot]#
I even tried to just list the directory name like so:
[root@localhost tftpboot]# dracut --force -m "nfs network base `find
/usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet
-type d -exec basename {} \;`" drivewipe3testing.img
3.10.0-327.36.3.el7.x86_64
But that did didn't help much:
[root@localhost tftpboot]# lsinitrd drivewipe3testing.img | grep ethernet
Arguments: --force -m 'nfs network base ethernet atheros alx atl1c atl1e
atlx broadcom bnx2x brocade bna cadence calxeda chelsio cxgb3 cxgb4
cxgb4vf cisco enic dec tulip emulex benet icplus intel e1000 e1000e
fm10k i40e i40evf igb igbvf ixgbe ixgbevf marvell mellanox mlx4 mlx5
core myricom myri10ge oki-semi pch_gbe qlogic netxen qlcnic qlge realtek
sfc smsc ti'
drwxr-xr-x 4 root root 0 Nov 29 22:04
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet
drwxr-xr-x 3 root root 0 Nov 29 22:04
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/intel
drwxr-xr-x 2 root root 0 Nov 29 22:04
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/intel/e1000e
-rw-r--r-- 1 root root 389989 Oct 24 09:50
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/intel/e1000e/e1000e.ko
drwxr-xr-x 2 root root 0 Nov 29 22:04
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/realtek
-rw-r--r-- 1 root root 51205 Oct 24 09:50
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/realtek/8139cp.ko
-rw-r--r-- 1 root root 68877 Oct 24 09:50
usr/lib/modules/3.10.0-327.36.3.el7.x86_64/kernel/drivers/net/ethernet/realtek/8139too.ko
[root@localhost tftpboot]#
Listing of /etc/dracut.conf (space-saving mode - comments left out):
[root@localhost tftpboot]# grep -v "^#" /etc/dracut.conf | grep -v "^$"
add_dracutmodules+="nfs"
[root@localhost tftpboot]#
What am I doing wrong?
--
Regards,
George Toft
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