[gentoo-user] Acer Aspire One D255

[gentoo-user] Acer Aspire One D255

[Silvio Siefke]

Hello,

i have a new netbook buy and want install Gentoo on it. So the Installation
run without problems, but i understand not why the network want not start.

I make the installation with Sabayon Linux and from there i compile the
Kernel with make localyesconfig ; make . But the Network want not run.
I have in the Kernel Config all Network activated, but ever the same.

/etc/init.d/net.eth0 start
Bringing up interface eth0
ERROR: interface eth0 does not exist
Ensure that you have loaded the correct kernel module for your hardware
ERROR: net.eth0 failed to start

localhost ~ # lsmod
Module                  Size  Used by
ipv6                  242738  38 
8021q                  13851  0 
garp                    4430  1 8021q
stp                     1417  1 garp
llc                     3248  2 stp,garp
zfs                   806600  0 
zunicode              316296  1 zfs
zavl                    4037  1 zfs
zcommon                28603  1 zfs
coretemp                5128  0 
joydev                  7936  0 
iTCO_wdt                4168  0 
iTCO_vendor_support     1633  1 iTCO_wdt
acer_wmi               20072  0 
iwldvm                 96929  0 
sparse_keymap           2329  1 acer_wmi
mac80211              221909  1 iwldvm
uvcvideo               58599  0 
videobuf2_vmalloc       2361  1 uvcvideo
videobuf2_memops        1840  1 videobuf2_vmalloc
videobuf2_core         20513  1 uvcvideo
videodev               81735  2 uvcvideo,videobuf2_core
snd_hda_codec_realtek    46112  1 
media                   8226  2 uvcvideo,videodev
snd_hda_intel          24184  3 
atl1c                  27604  0 
snd_hda_codec          69199  2 snd_hda_codec_realtek,snd_hda_intel
psmouse                59006  0 
snd_hwdep               4638  1 snd_hda_codec
iwlwifi                57633  1 iwldvm
cfg80211              145999  3 iwlwifi,mac80211,iwldvm
serio_raw               3992  0 
microcode              11075  0 
snd_pcm                59007  2 snd_hda_codec,snd_hda_intel
snd_page_alloc          6182  2 snd_pcm,snd_hda_intel
lpc_ich                10960  0 
i2c_i801               13128  0 
snd_timer              14166  1 snd_pcm
pcspkr                  1552  0 
snd                    46582  12 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_hda_codec,snd_hda_intel
virtio_ring             4674  0 
ablk_helper             1644  0 
cryptd                  7022  1 ablk_helper
lrw                     3221  0 
xts                     2807  0 
gf128mul                5354  2 lrw,xts
aes_x86_64              7403  1 
sha256_generic          9613  0 
iscsi_tcp               7724  0 
tg3                   123255  0 
ptp                     6924  1 tg3
pps_core                7800  1 ptp
e1000                 109631  0 
fuse                   56997  2 
znvpair                42112  2 zfs,zcommon
spl                   107813  5 zfs,zavl,zunicode,zcommon,znvpair
xfs                   426203  0 
nfs                   101771  0 
lockd                  52677  1 nfs
sunrpc                146358  2 nfs,lockd
jfs                   142801  0 
reiserfs              205877  0 
ext4                  271500  0 
jbd2                   47261  1 ext4
ext3                  108570  0 
jbd                    37602  1 ext3
ext2                   53898  0 
mbcache                 4610  3 ext2,ext3,ext4
sl811_hcd               8983  0 
hid_generic             1057  0 
xhci_hcd               75085  0 
ohci_hcd               24370  0 
uhci_hcd               20441  0 
ehci_pci                3728  0 
ehci_hcd               39885  1 ehci_pci
sx8                    11013  0 
imm                     8772  0 
parport                26827  1 imm

The Kernel Config from the Modules which i find
siefke@gentoo-mobile : ~ $ cat config.txt 
CONFIG_IPV6=y
CONFIG_VLAN_8021Q=y
CONFIG_VLAN_8021Q_GVRP=y
# CONFIG_VLAN_8021Q_MVRP is not set
CONFIG_STP=y
CONFIG_GARP=y
CONFIG_LLC=y
CONFIG_SENSORS_CORETEMP=y
# CONFIG_INPUT_JOYDEV is not set
CONFIG_ITCO_WDT=y
CONFIG_ITCO_VENDOR_SUPPORT=y
CONFIG_ACER_WMI=y
CONFIG_IWLDVM=y
CONFIG_MAC80211=y
CONFIG_MAC80211_HAS_RC=y
CONFIG_MAC80211_RC_MINSTREL=y
CONFIG_MAC80211_RC_MINSTREL_HT=y
CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
CONFIG_MAC80211_RC_DEFAULT="minstrel_ht"
CONFIG_MAC80211_MESH=y
CONFIG_MAC80211_LEDS=y
# CONFIG_MAC80211_DEBUGFS is not set
# CONFIG_MAC80211_MESSAGE_TRACING is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
CONFIG_VIDEOBUF2_CORE=y
CONFIG_VIDEOBUF2_MEMOPS=y
CONFIG_VIDEOBUF2_VMALLOC=y
CONFIG_SND_HDA_CODEC_REALTEK=y
CONFIG_MEDIA_SUPPORT=y
CONFIG_SND_HDA_INTEL=y
CONFIG_SND_HDA_CODEC_REALTEK=y
CONFIG_SND_HDA_CODEC_ANALOG=y
CONFIG_SND_HDA_CODEC_SIGMATEL=y
CONFIG_SND_HDA_CODEC_VIA=y
CONFIG_SND_HDA_CODEC_HDMI=y
CONFIG_SND_HDA_CODEC_CIRRUS=y
CONFIG_SND_HDA_CODEC_CONEXANT=y
CONFIG_SND_HDA_CODEC_CA0110=y
CONFIG_SND_HDA_CODEC_CA0132=y
# CONFIG_SND_HDA_CODEC_CA0132_DSP is not set
CONFIG_SND_HDA_CODEC_CMEDIA=y
CONFIG_SND_HDA_CODEC_SI3054=y
CONFIG_ATL1C=y
CONFIG_SND_HWDEP=y
CONFIG_IWLWIFI=y
CONFIG_CFG80211=y
# CONFIG_NL80211_TESTMODE is not set
# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
# CONFIG_CFG80211_REG_DEBUG is not set
CONFIG_CFG80211_DEFAULT_PS=y
# CONFIG_CFG80211_DEBUGFS is not set
# CONFIG_CFG80211_INTERNAL_REGDB is not set
CONFIG_CFG80211_WEXT=y
CONFIG_SERIO_RAW=y
CONFIG_MICROCODE=y
CONFIG_MICROCODE_INTEL=y
CONFIG_MICROCODE_AMD=y
CONFIG_MICROCODE_OLD_INTERFACE=y
CONFIG_MICROCODE_INTEL_LIB=y
CONFIG_MICROCODE_INTEL_EARLY=y
CONFIG_MICROCODE_EARLY=y
CONFIG_SND_PCM=y
CONFIG_LPC_ICH=y
CONFIG_I2C_I801=y
CONFIG_SND_TIMER=y
CONFIG_PCSPKR_PLATFORM=y
CONFIG_HAVE_PCSPKR_PLATFORM=y
CONFIG_CRYPTO_ABLK_HELPER_X86=y
CONFIG_CRYPTO_CRYPTD=y
CONFIG_CRYPTO_LRW=y
CONFIG_CRYPTO_XTS=y
CONFIG_CRYPTO_GF128MUL=y
CONFIG_CRYPTO_AES_X86_64=y
CONFIG_ISCSI_TCP=y
CONFIG_PTP_1588_CLOCK=y
CONFIG_PTP_1588_CLOCK_PCH=y
CONFIG_PPS=y
CONFIG_E1000=y
CONFIG_E1000E=y
CONFIG_FUSE_FS=y
# CONFIG_XFS_FS is not set
CONFIG_NFS_FS=y
CONFIG_LOCKD=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_SWAP=y
# CONFIG_JFS_FS is not set
# CONFIG_REISERFS_FS is not set
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_EXT4_FS=y
CONFIG_EXT4_USE_FOR_EXT23=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
# CONFIG_EXT4_DEBUG is not set
# CONFIG_EXT2_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_JBD2=y
# CONFIG_JBD2_DEBUG is not set
CONFIG_FS_MBCACHE=y
CONFIG_USB_SL811_HCD=y
CONFIG_USB_SL811_HCD_ISO=y
CONFIG_HID_GENERIC=y
CONFIG_USB_XHCI_HCD=y
# CONFIG_USB_XHCI_HCD_DEBUGGING is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
CONFIG_USB_EHCI_PCI=y
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_HCD_SSB is not set
CONFIG_USB_OHCI_HCD_PLATFORM=y
# CONFIG_USB_EHCI_HCD_PLATFORM is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_UHCI_HCD=y
CONFIG_USB_SL811_HCD=y
CONFIG_USB_SL811_HCD_ISO=y
CONFIG_BLK_DEV_SX8=y
CONFIG_SCSI_IMM=y
CONFIG_PARPORT=y
CONFIG_PARPORT_PC=y
# CONFIG_PARPORT_SERIAL is not set
CONFIG_PARPORT_PC_FIFO=y
CONFIG_PARPORT_PC_SUPERIO=y
# CONFIG_PARPORT_GSC is not set
# CONFIG_PARPORT_AX88796 is not set
CONFIG_PARPORT_1284=y
# CONFIG_I2C_PARPORT is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_PPS_CLIENT_PARPORT is not set
CONFIG_MEDIA_PARPORT_SUPPORT=y


Has someone a idea for the Kernel Options? Has someone maybe the same
Modell and can share the Kernel Config.

localhost linux # lspci
00:00.0 Host bridge: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx DMI Bridge (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller (rev 02)
00:02.1 Display controller: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller (rev 02)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 2 (rev 02)
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 02)
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 02)
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation NM10 Family LPC Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation NM10/ICH7 Family SATA Controller [AHCI mode] (rev 02)
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 02)
01:00.0 Ethernet controller: Qualcomm Atheros AR8152 v1.1 Fast Ethernet (rev c1)
02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 [Condor Peak]

localhost linux # lsusb
Bus 001 Device 002: ID 1c6b:a222 Philips & Lite-ON Digital Solutions Corporation DVD Writer Slimtype eTAU108
Bus 001 Device 003: ID 0402:9665 ALi Corp. Gateway Webcam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


Thank you & Greetings
Silvio

Re: [gentoo-user] Acer Aspire One D255

[Алексей Мишустин]

2013/6/6 Silvio Siefke <siefke_listen@web.de>:
> Hello,
>
> i have a new netbook buy and want install Gentoo on it. So the Installation
> run without problems, but i understand not why the network want not start.
>
> I make the installation with Sabayon Linux and from there i compile the
> Kernel with make localyesconfig ; make . But the Network want not run.
> I have in the Kernel Config all Network activated, but ever the same.
>
> /etc/init.d/net.eth0 start
> Bringing up interface eth0
> ERROR: interface eth0 does not exist
> Ensure that you have loaded the correct kernel module for your hardware
> ERROR: net.eth0 failed to start

Hello.

Try this:

# cd /etc/init.d
# ln -s net.lo net.eth0

-- 
Regards,
Alex

Re: [gentoo-user] Acer Aspire One D255

[Samuli Suominen]

On 06/06/13 14:52, Silvio Siefke wrote:
> Hello,
>
> i have a new netbook buy and want install Gentoo on it. So the Installation
> run without problems, but i understand not why the network want not start.
>
> I make the installation with Sabayon Linux and from there i compile the
> Kernel with make localyesconfig ; make . But the Network want not run.
> I have in the Kernel Config all Network activated, but ever the same.
>
> /etc/init.d/net.eth0 start
> Bringing up interface eth0
> ERROR: interface eth0 does not exist

So what interfaces do exist? eth* would be kernel naming without udev, 
are you sure you don't have something like enp* instead?

# ls /sys/class/net/
# ifconfig -a
# ip link

Re: [gentoo-user] Acer Aspire One D255

[Mick]

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On Thursday 06 Jun 2013 12:52:54 Silvio Siefke wrote:

> /etc/init.d/net.eth0 start
> Bringing up interface eth0
> ERROR: interface eth0 does not exist
> Ensure that you have loaded the correct kernel module for your hardware
> ERROR: net.eth0 failed to start

As has already been mentioned, udev may have used a different naming scheme 
for your card, so eth0 may not work.


> Controller (rev 02) 01:00.0 Ethernet controller: Qualcomm Atheros AR8152
> v1.1 Fast Ethernet (rev c1)

I think you need module atl1c for this NIC - but you'll need to google for 
more info.


> 02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 
[Condor Peak]

I think you need module iwlwifi for this card and the correct firmware:

  http://wireless.kernel.org/en/users/Drivers/iwlwifi

HTH.
-- 
Regards,
Mick

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Re: [gentoo-user] Acer Aspire One D255

[Robin Atwood]

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On Thursday 06 June 2013, Mick wrote:
> On Thursday 06 Jun 2013 12:52:54 Silvio Siefke wrote:
> > /etc/init.d/net.eth0 start
> > Bringing up interface eth0
> > ERROR: interface eth0 does not exist
> > Ensure that you have loaded the correct kernel module for your hardware
> > ERROR: net.eth0 failed to start
> 
> As has already been mentioned, udev may have used a different naming scheme
> for your card, so eth0 may not work.
> 
> > Controller (rev 02) 01:00.0 Ethernet controller: Qualcomm Atheros AR8152
> > v1.1 Fast Ethernet (rev c1)
> 
> I think you need module atl1c for this NIC - but you'll need to google for
> more info.
> 
> > 02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000
> 
> [Condor Peak]
> 
> I think you need module iwlwifi for this card and the correct firmware:
> 
>   http://wireless.kernel.org/en/users/Drivers/iwlwifi

There is a very useful site to identify drivers: http://kmuto.jp/debian/hcl/. 
Just paste in the output of "lspci -n" and it does the rest!

HTH
-Robin

-- 
----------------------------------------------------------------------
Robin Atwood.

"Ship me somewheres east of Suez, where the best is like the worst,
 Where there ain't no Ten Commandments an' a man can raise a thirst"
         from "Mandalay" by Rudyard Kipling
----------------------------------------------------------------------









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Re: [gentoo-user] Acer Aspire One D255

[Silvio Siefke]

Hello,

On Thu, 06 Jun 2013 15:40:03 +0300 Samuli Suominen
<ssuominen@gentoo.org> wrote:

> # ls /sys/class/net/

# ls /sys/class/net
enp1s0 lo

> # ifconfig -a
root@slitaz:/mnt/gentoo/root# cat ifconfig.txt 
enp1s0: flags=4098<BROADCAST,MULTICAST>  mtu 1500
        ether 88:ae:1d:9e:bc:de  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Lokale Schleife)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


> # ip link
-bash: ip: Command not found (german to  english)



When i try enp1s0 to start come
/etc/init.d/net.enp1s0 start
Caching service dependencies ...
Bringing up interface enp1s0
dhcp ...
Running udhcpc ...
start-stop-daemon: failed to start "/bin/busybox"
ERROR: net.enp1s0 failed to start

Thank you & Greetings
Silvio

Re: [gentoo-user] Acer Aspire One D255

[Silvio Siefke]

Hello,

On Thu, 6 Jun 2013 14:44:11 +0100 Mick <michaelkintzios@gmail.com>
wrote:

> I think you need module atl1c for this NIC - but you'll need to
> google for more info.

You see in my Email i run the module in Kernel fix.
 
> 
> > 02:00.0 Network controller: Intel Corporation Centrino Wireless-N
> > 1000 
> [Condor Peak]
> 
> I think you need module iwlwifi for this card and the correct
> firmware:

You see in my Email i run the module in Kernel fix.

Thank you & Greetings
Silvio

Re: [gentoo-user] Acer Aspire One D255

[Mick]

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On Thursday 06 Jun 2013 16:02:47 Silvio Siefke wrote:
> Hello,
> 
> On Thu, 6 Jun 2013 14:44:11 +0100 Mick <michaelkintzios@gmail.com>
> 
> wrote:
> > I think you need module atl1c for this NIC - but you'll need to
> > google for more info.
> 
> You see in my Email i run the module in Kernel fix.

Sorry, I missed it first time!


> > > 02:00.0 Network controller: Intel Corporation Centrino Wireless-N
> > > 1000
> > 
> > [Condor Peak]
> > 
> > I think you need module iwlwifi for this card and the correct
> > firmware:
> You see in my Email i run the module in Kernel fix.

Yes I did, but didn't know if you have also configured the firmware part.

-- 
Regards,
Mick

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Re: [gentoo-user] Acer Aspire One D255

[Mick]

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On Thursday 06 Jun 2013 16:01:07 Silvio Siefke wrote:
> Hello,
> 
> On Thu, 06 Jun 2013 15:40:03 +0300 Samuli Suominen
> 
> <ssuominen@gentoo.org> wrote:
> > # ls /sys/class/net/
> 
> # ls /sys/class/net
> enp1s0 lo
> 
> > # ifconfig -a
> 
> root@slitaz:/mnt/gentoo/root# cat ifconfig.txt
> enp1s0: flags=4098<BROADCAST,MULTICAST>  mtu 1500
>         ether 88:ae:1d:9e:bc:de  txqueuelen 1000  (Ethernet)
>         RX packets 0  bytes 0 (0.0 B)
>         RX errors 0  dropped 0  overruns 0  frame 0
>         TX packets 0  bytes 0 (0.0 B)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
> 
> lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
>         inet 127.0.0.1  netmask 255.0.0.0
>         inet6 ::1  prefixlen 128  scopeid 0x10<host>
>         loop  txqueuelen 0  (Lokale Schleife)
>         RX packets 0  bytes 0 (0.0 B)
>         RX errors 0  dropped 0  overruns 0  frame 0
>         TX packets 0  bytes 0 (0.0 B)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
> 
> > # ip link
> 
> -bash: ip: Command not found (german to  english)
> 
> 
> 
> When i try enp1s0 to start come
> /etc/init.d/net.enp1s0 start
> Caching service dependencies ...
> Bringing up interface enp1s0
> dhcp ...
> Running udhcpc ...
> start-stop-daemon: failed to start "/bin/busybox"
> ERROR: net.enp1s0 failed to start

Hmm ... I seem to recall some bug with udhcpc.  Can you install dhcpcd instead 
and see if you're still getting an error?

-- 
Regards,
Mick

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Re: [gentoo-user] Acer Aspire One D255

[Silvio Siefke]

Hello,

On Thu, 6 Jun 2013 16:36:07 +0100 Mick <michaelkintzios@gmail.com>
wrote:

> Sorry, I missed it first time!

No problem, no Sorry we can write an answer, its no problem. And thats the
best in community of Linux - Gentoo is better more friendly, that we help
together. Every man or woman has other expirence and share it. 

> Yes I did, but didn't know if you have also configured the firmware
> part.

Hhh i don't know what you really mean, but in /lib/firmware the packages
for the Wifi is present.  


Thank you & Greetings
Silvio

Re: [gentoo-user] Acer Aspire One D255

[Silvio Siefke]

Hello,

On Thu, 6 Jun 2013 21:06:50 +0700 Robin Atwood
<robin.atwood@attglobal.net> wrote:

> There is a very useful site to identify drivers:
> http://kmuto.jp/debian/hcl/. Just paste in the output of "lspci -n"
> and it does the rest!


Thanks for the webpage, sure helpfully. 

Thank you & Greetings
Silvio

Re: [gentoo-user] Acer Aspire One D255

[Silvio Siefke]

Hello,

On Thu, 6 Jun 2013 16:38:37 +0100 Mick <michaelkintzios@gmail.com>
wrote:


> Hmm ... I seem to recall some bug with udhcpc.  Can you install
> dhcpcd instead and see if you're still getting an error?

The wired network is running, the wireless network come later. I has
run the device enp1s0 in default make reboot now and its running. I 
think the cable was not ok, because i has change the cable and well
done. Only one question, why enp1s0 and not eth0 is present in 
System? Can i make a symlink?


Thank you & Greetings
Silvio

Re: [gentoo-user] Acer Aspire One D255

[Paul Hartman]

On Thu, Jun 6, 2013 at 11:45 AM, Silvio Siefke <siefke_listen@web.de> wrote:
> Only one question, why enp1s0 and not eth0 is present in
> System? Can i make a symlink?

There was a news item in emerge that explained it. It is the "new way"
of naming network interfaces...

You can disable the new names and go back to old way of eth0 by adding
to your kernel commandline: net.ifnames=0

You can read the Gentoo Wiki for more info and other options:
https://wiki.gentoo.org/wiki/Udev/upgrade