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HouseAtreides
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Joined: 29 Apr 2010
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 Posted: Thu May 27, 2010 12:00 am Post subject: [solved]Wireless issues... Error 132 |
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So my first 'real' Gentoo install went through with relatively few hiccups, and now I'm in the actual install environment and need to configure some things...
I'm having trouble with the vga= clause in grub.conf. I tried the standard "vga=792" but that failed on boot and asked me to choose from a few different options I couldn't understand (and which didn't seem to be right)... All I want is a basic 1024x768 
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Last edited by HouseAtreides on Fri May 28, 2010 4:48 am; edited 2 times in total |
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DONAHUE
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Location: Goose Creek SC
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HouseAtreides
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Joined: 29 Apr 2010
Posts: 58
Location: NH
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| Posted: Thu May 27, 2010 1:33 am Post subject: |
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Sigh, and now I run into the same issue I had before with the network not working. Only now I know definitely what I'm working with.
I'm trying to connect to wireless.
I have an Intel pro/wirless 3945ABG (Golan), using the iwl3945 driver.
I'm pretty sure I configured everything having to do with this into the kernel. Yet I still see "SIOCSIFFLAGS: No such file or directory" when wlan0 tries to start.
Was hoping network network setup would be easier on the actual machine :S
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DONAHUE
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| Posted: Thu May 27, 2010 2:17 am Post subject: |
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| Quote: | | "SIOCSIFFLAGS: No such file or directory" |
usually means no firmware. The help for the driver in menuconfig says:
| Quote: | CONFIG_IWL3945:
Select to build the driver supporting the:
Intel PRO/Wireless 3945ABG/BG Network Connection
This driver uses the kernel's mac80211 subsystem.
In order to use this driver, you will need a microcode (uCode)
image for it. You can obtain the microcode from:
<http://intellinuxwireless.org/>.
The microcode is typically installed in /lib/firmware. You can
look in the hotplug script /etc/hotplug/firmware.agent to
determine which directory FIRMWARE_DIR is set to when the script
If you want to compile the driver as a module ( = code which can be
inserted in and removed from the running kernel whenever you want),
say M here and read <file:Documentation/kbuild/modules.txt>. The
module will be called iwl3945.
Symbol: IWL3945 [=n]
Prompt: Intel PRO/Wireless 3945ABG/BG Network Connection (iwl3945)
Defined at drivers/net/wireless/iwlwifi/Kconfig:88
Depends on: NETDEVICES && !S390 && IWLWIFI
Location:
-> Device Drivers
-> Network device support (NETDEVICES [=y])
-> Wireless LAN
-> Wireless LAN (IEEE 802.11) (WLAN_80211 [=y])
-> Intel Wireless Wifi (IWLWIFI [=y]) |
get firmware here and extract to /lib/firmware.
| Code: | ifconfig -a #does it show an interface name
ifconfig <your interface name> up
ifconfig |
does it show up now? what is its interface name?
boot cd that networks, mount gentoo partitions, enter chroot
| Code: | echo "net-wireless/wpa_supplicant qt4" >> /etc/portage/package.use
emerge wireless-tools wpa_supplicant dhcpcd |
get stuff to work with.
does the wireless show up?
does the wireless scan and report contact with your router?
Have you emerged a desktop?
Do you plan to use dhcp or fixed ip? I will assume dhcp.
will assume your interface is named wlan0, if incorrect, substitute your actual interface name for wlan0 in anything you use from below:
edit /etc/wpa_supplicant/wpa_supplicant.conf to include: | Quote: | ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=wheel
update_config=1
ap_scan=1 |
If you do not have a desktop; add to wpa_supplicant.conf (using info gathered by iwlist scan and from setting up your router to fill in the blanks, pick a network example from the bottom of /etc/wpa_supplicant/wpa_supplicant.conf that best matches your network) a network entry. Mine is simply:
| Quote: | network={
ssid="myssid"
psk="abcdefgh"
proto=RSN
key_mgmt=WPA-PSK
pairwise=TKIP
} |
for a basic shared key wpa setup
edit /etc/conf.d/net to include:
| Quote: | modules_wlan0=( "wpa_supplicant" )
modules_wlan0=( "dhcpcd" )
wpa_supplicant_wlan0="-Dwext"
wpa_timeout_wlan0=15
config_wlan0=( "dhcp" )
dhcp_wlan0="-t 10"
dhcp_ra0="nodns" # optional
dns_servers_wlan0=( "xxx.xxx.xxx.xxx yyy.yyy.yyy.yyy 4.2.2.5" ) #optional |
where xxx.xxx.xxx.xxx could be your routers ip if it gives good dns, yyy.yyy.yyy.yyy could be your isp's dns server, 4.2.2.5 could be (and is) a public dns server; don't use the router if the laptop will be used away from your router lest it cause slow dns service
optional in that using this pair may speed dns service but they are not necessary to get service
| Code: | cd /etc/init.d/
ln -s net.lo net.wlan0 |
Make a symlink so starting wlan0 will run the gentoo network script.
| Code: | rc-update add net.wlan0 default
/etc/init.d/wlan0 restart |
set wlan0 to start at boot. actually not necessary if you are using dbus/hal/evdev/udev.
If you have a desktop find wpa_gui in the applications or start a terminal to run it. this will give you a simple gui interface to scan for, configure for, and connect to networks. It also allows saving configurations of networks you expect to revisit. If you did not make a network entry when editing wpa_supplicant.conf and you have connected via wpa_gui save the configuration.
Hopefuly just a check that all is working.
Last edited by DONAHUE on Thu May 27, 2010 3:10 am; edited 1 time in total |
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HouseAtreides
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Joined: 29 Apr 2010
Posts: 58
Location: NH
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| Posted: Thu May 27, 2010 3:06 am Post subject: |
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I did the ucode first:
| Code: | | emerge -av net-wireless/iwl3945-ucode |
ifconfig -a recognizes it as wlan0
I then booted the cd, chrooted, and emerged all those packages. Now I can iwconfig (happy to now know it is part of a package). At this point I became I little excited, as I was able to dhcpcd wlan0 in the chroot and everything was working perfectly. So I rebooted, and entered the install environment again. When I try to dhcpcd wlan0 here I immediately get
| Code: | | wlan0: read_interface: Unknown error 132 |
I understand this often has something to do with hardware switches, but I have not touched my wifi switch since it working in chroot. When I try to iwlist in the install environment it says
| Code: | | wlan0 Interface doesn't support scanning : Network is down |
You are right in assuming that (for the moment) I plan on using dhcp. I have not emerged a desktop.
Updating the config files right now.[/profile]
wpa_supplicant.conf does not exist... should I make it?
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DONAHUE
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Location: Goose Creek SC
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| Posted: Thu May 27, 2010 3:12 am Post subject: |
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| Quote: | | wlan0 Interface doesn't support scanning : Network is down |
when you get /etc/conf.d/net edited and /etc/init.d/net.wlan0 symlink made and /etc/init.d/net.wlan0 in the default runlevel automagic will start to happen. /etc/wpa_supplicant/wpa_supplicant.conf hopefully will get the trick finished.
| Quote: | | wpa_supplicant.conf does not exist... should I make it? |
yes
well done remembering the firmware ebuild, I had forgotten. |
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HouseAtreides
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Location: NH
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| Posted: Thu May 27, 2010 3:37 am Post subject: |
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I created wpa_supplicant.conf, but I still get that 'error 132' even when I try
I suspect something else is up.
Here is the page I followed when configuring the kernel
http://en.gentoo-wiki.com/wiki/Lenovo_Thinkpad_X60s#Wireless
Is it possible something here is screwing it up?
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DONAHUE
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Location: Goose Creek SC
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| Posted: Thu May 27, 2010 3:43 am Post subject: |
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says?
says?
| Code: | | ifconfig wlan0 down;ifconfig wlan0 up |
says? |
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HouseAtreides
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Joined: 29 Apr 2010
Posts: 58
Location: NH
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| Posted: Thu May 27, 2010 3:50 am Post subject: |
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-> I have no means of taking a screenshot, so let me know if I am missing any critical information.
| DONAHUE wrote: | says?
Comes up with eth0, lo, sit0, wlan0. Eth0 has some indication of activity, sit0 and wlan0 are all blank with zeros. wlan0 says "Link encap:Ethernet" followed by my mac address.
says?
Shows just lo and eth0. Again eth0 shows clear signs of activity. (packets sent, ip addresses and such)
| Code: | | ifconfig wlan0 down;ifconfig wlan0 up |
says? |
ifconfig wlan0 down - no response (works)
ifconfig wlan0 up - error 132
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DONAHUE
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| Posted: Thu May 27, 2010 3:57 am Post subject: |
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unmerge the firmware
| Code: | ifconfig wlan0 up
ifconfig |
something weird |
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HouseAtreides
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Posts: 58
Location: NH
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| Posted: Thu May 27, 2010 4:02 am Post subject: |
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| Code: | | emerge -C net-wireless/iwl3945-ucode |
nothing changed with 'ifconfig', and 'ifconfig wlan0 up' still gives error 132
real brick wall 
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DONAHUE
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| Posted: Thu May 27, 2010 4:09 am Post subject: |
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re-emerge the firmware
comment out all entries in /etc/conf.d/net
try up again
Last edited by DONAHUE on Thu May 27, 2010 4:19 am; edited 1 time in total |
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HouseAtreides
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Location: NH
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| Posted: Thu May 27, 2010 4:11 am Post subject: |
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| DONAHUE wrote: | re-emerge th firmware
comment out all entries in /etc/conf.d/net
try up again |
still error 132 
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DONAHUE
Watchman
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Location: Goose Creek SC
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| Posted: Thu May 27, 2010 4:15 am Post subject: |
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check the manual for a combination of keys or key that turns the wireless on and off
delete the comments from /etc/conf.d/net
if bios has powersaving or green setting for wireless turn it off, if bios has wireless disabled ...
| Code: | | grep CONFIG_RFKILL /usr/src/linux/.config |
Is it present?
| Code: | rmmod iwl3945
rfkill block all
rfkill unblock all
modprobe iwl3945
rfkill unblock all
ifconfig wlan0 up |
Last edited by DONAHUE on Thu May 27, 2010 4:26 am; edited 1 time in total |
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HouseAtreides
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Joined: 29 Apr 2010
Posts: 58
Location: NH
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| Posted: Thu May 27, 2010 4:25 am Post subject: |
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You won't believe this donahue, but I just rebooted for the heck of it and thought I saw a lot of green lights on the boot up... Sure enough wlan0 started fine, dhcp contacted my router and got an ip, and I was just able to ping successfully (right after booting).
I'm pretty sure I neglected to reboot where you told me to before, because the commands before weren't working.
Nonetheless, one of the many things you told me to do worked 
Tomorrow I'm going to try and figure out exactly what happened, but I think I'll save that big post you made further up as I believe it was something in there.
Now, I can sleep in peace. Thank you so much, you've really been incredible in helping me through all my gentoo-ing.
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DONAHUE
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| Posted: Thu May 27, 2010 4:27 am Post subject: |
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see you when the X and desktop adventure starts  |
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HouseAtreides
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Joined: 29 Apr 2010
Posts: 58
Location: NH
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| Posted: Thu May 27, 2010 4:30 am Post subject: |
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| DONAHUE wrote: | | see you when the X and desktop adventure starts |
haha, I can't wait
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Installing Gentoo
