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Newbie trying to get Intel 2915ABG up via ipw2200 module
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jmcmillon
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Joined: 15 Jan 2015
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PostPosted: Thu Jan 15, 2015 5:53 am    Post subject: Newbie trying to get Intel 2915ABG up via ipw2200 module Reply with quote

New Gentoo user here.

I successfully installed Gentoo using The Gentoo Handbook on an old CF18 Panasonic Toughbook I had laying around to gain some Gentoo experience using the genkernel.

I later successfully got an x server up and running and later XFCE.

Next step is to get wireless up and running.

lspci shows this particular laptop has an Intel Corporation PRO/Wireless 2915ABG card in it which requires the IPW2200 kernel module.

I eventually found the option in menuconfig by following guidance from this post.

I also emerged ipw2200-firmware

I then recompiled my kernel by doing:
Code:

cd /usr/src/linux
make modules_prepare
make
make modules_install
make install
grub2-install /dev/sda
grub2-mkconfig -o /boot/grub/grub.cfg
reboot


Upon reboot modprobe shows:
Code:

CF18_Gentoo ~ # modprobe ipw200
modprobe: FATAL: Module ipw200 not found.


ifconfig shows lo and my ethernet.

dmesg | grep ipw2200 shows nothing.

Any advice for a newbie on how to get this up?
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charles17
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Joined: 02 Mar 2008
Posts: 2583

PostPosted: Thu Jan 15, 2015 6:40 am    Post subject: Re: Newbie trying to get Intel 2915ABG up via ipw2200 module Reply with quote

jmcmillon wrote:
lspci shows this particular laptop has an Intel Corporation PRO/Wireless 2915ABG card in it which requires the IPW2200 kernel module.
Make sure you have configured it as a module.
Quote:
CONFIG_IPW2100=m

jmcmillon wrote:
I then recompiled my kernel by doing:
Code:

cd /usr/src/linux
make modules_prepare
make
make modules_install
make install
grub2-install /dev/sda
grub2-mkconfig -o /boot/grub/grub.cfg
reboot
Did you happen to forget to mount /boot before doing so?
BTW: Once grub is installed, another grub2-install on rebuilding the kernel is not needed.

jmcmillon wrote:
dmesg | grep ipw2200 shows nothing.
Try grepping domain, port and slot number as received from lspci
Quote:
$ /usr/sbin/lspci -k
08:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
Subsystem: Hewlett-Packard Company PRO/Wireless 3945ABG [Golan] Network Connection
Kernel driver in use: iwl3945
Kernel modules: iwl3945
Quote:
$ dmesg | grep 08:00.0
[ 0.151115] pci 0000:08:00.0: [8086:4222] type 00 class 0x028000
[ 0.151167] pci 0000:08:00.0: reg 0x10: [mem 0xe8000000-0xe8000fff]
[ 0.151506] pci 0000:08:00.0: PME# supported from D0 D3hot D3cold
[ 0.151619] pci 0000:08:00.0: disabling ASPM on pre-1.1 PCIe device. You can enable it with 'pcie_aspm=force'
[ 7.908636] iwl3945 0000:08:00.0: can't disable ASPM; OS doesn't have ASPM control
[ 7.962799] iwl3945 0000:08:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels
[ 7.962805] iwl3945 0000:08:00.0: Detected Intel Wireless WiFi Link 3945ABG
[ 7.992166] iwl3945 0000:08:00.0 wlp8s0: renamed from wlan0
[ 16.844814] iwl3945 0000:08:00.0: loaded firmware version 15.32.2.9
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jmcmillon
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Joined: 15 Jan 2015
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PostPosted: Thu Jan 15, 2015 7:27 am    Post subject: Reply with quote

IPW2200 is configured as a module.

/boot was mounted when I updated the grub2 config via grub2-mkconfig -o /boot/grub/grub.cfg

Code:
lspci -k
01:03.0 Network controller: Intel Corporation PRO/Wireless 2915ABG [Calexico2] Network Connection (rev 05)
        Subsystem: Intel Corporation Device 1000
        Kernel modules: ipw2200
...
CF18_Gentoo linux # dmesg | grep 01:03.0
CF18_Gentoo linux #


and unfortunately searching domain, port, and slot number didn't yield any results (thanks for illustrating the -k option)

Any other ideas?
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charles17
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Joined: 02 Mar 2008
Posts: 2583

PostPosted: Thu Jan 15, 2015 8:21 am    Post subject: Reply with quote

jmcmillon wrote:
IPW2200 is configured as a module.

/boot was mounted when I updated the grub2 config via grub2-mkconfig -o /boot/grub/grub.cfg

Code:
lspci -k
01:03.0 Network controller: Intel Corporation PRO/Wireless 2915ABG [Calexico2] Network Connection (rev 05)
        Subsystem: Intel Corporation Device 1000
        Kernel modules: ipw2200
I'm not entirely sure but I guess some other kernel option maybe needed for getting the Kernel driver in use: line. Or maybe the interaction of firmware with kernel module.

Maybe you have to put something in /etc/conf.d/modules
Quote:
$ grep -v ^# /etc/conf.d/modules



modules_2_6="${modules_2_6} iwl3945"
module_iwl3945_args_2_6=""

Just compare to my lsmod, there I have iwl3945, iwlegacy, mac80211 and cfg80211.
Code:
$ lsmod
Module                  Size  Used by
ctr                     3375  3
ccm                     6686  3
iwl3945                44692  0
iwlegacy               37724  1 iwl3945
mac80211              356279  2 iwl3945,iwlegacy
firewire_ohci          26157  0
firewire_core          42150  1 firewire_ohci
pcspkr                  1699  0
crc_itu_t               1259  1 firewire_core
cfg80211              309722  3 iwl3945,iwlegacy,mac80211
sr_mod                 11479  0
cdrom                  21708  1 sr_mod
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jmcmillon
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Joined: 15 Jan 2015
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PostPosted: Sat Jan 17, 2015 5:08 am    Post subject: Reply with quote

Still no luck.

Is this error in dmesg a problem?

Code:
[  987.957216] cfg80211: disagrees about version of symbol wireless_send_event
[  987.957223] cfg80211: Unknown symbol wireless_send_event (err -22)


Thanks!
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