Sabayon Community

by **vaettchen** » Thu Apr 07, 2011 15:26

I have tried to solve this myself and read dozens of posts on the Sabayon and Gentoo forums, but just getting more and more confused. It probably has a simple solution that I just don't see. Here the problem:

I have a new Lenovo V560 Laptop (with this <Fn><F5> WLAN switch that doesn't work in Linux), with a brand new Sabayon 5.5 (Kernel 2.6.38) install. Everything works fine, except that I can't get the wireless going.

The card is

Code: Select all: susanne admin # lspci | grep W 04:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000

The hardware switch on the front side of the machine is on, and iwconfig sees the card:

Code: Select all: susanne admin # iwconfig wlan0 wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off

The necessary modules seem to be loaded:

Code: Select all: susanne admin # lsmod | grep iwl iwlagn 157130 0 iwlcore 49628 1 iwlagn mac80211 163327 2 iwlagn,iwlcore cfg80211 118575 3 iwlagn,iwlcore,mac80211

and the microcode seems OK:

Code: Select all: susanne admin # eix iwl1000 [I] net-wireless/iwl1000-ucode Available versions: 128.50.3.1 Installed versions: 128.50.3.1(06:34:46 PM 09/27/2010) Homepage: http://intellinuxwireless.org/?p=iwlwifi Description: Intel (R) Wireless WiFi Link 1000BGN ucode

I don't understand the dmesg output

Code: Select all: susanne admin # dmesg | grep iwl [ 11.950359] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree: [ 11.950365] iwlagn: Copyright(c) 2003-2010 Intel Corporation [ 11.950520] iwlagn 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 11.950560] iwlagn 0000:04:00.0: setting latency timer to 64 [ 11.950686] iwlagn 0000:04:00.0: Detected Intel(R) Centrino(R) Wireless-N 1000 BGN, REV=0x6C [ 11.971392] iwlagn 0000:04:00.0: device EEPROM VER=0x15d, CALIB=0x6 [ 11.971398] iwlagn 0000:04:00.0: Device SKU: 0X9 [ 11.971402] iwlagn 0000:04:00.0: Valid Tx ant: 0X1, Valid Rx ant: 0X3 [ 11.971424] iwlagn 0000:04:00.0: Tunable channels: 13 802.11bg, 0 802.11a channels [ 11.971703] iwlagn 0000:04:00.0: irq 42 for MSI/MSI-X [ 12.114304] iwlagn 0000:04:00.0: loaded firmware version 128.50.3.1 build 13488 [ 12.253246] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' [26739.629619] iwlagn 0000:04:00.0: RF_KILL bit toggled to enable radio.

- it seems to say that the FR_KILL bit is on?

I have tried

Code: Select all: rfkill unblock all

but that didn't help.

I wanted to rebuild the kernel with the RF_KILL options set to "no" but no success here:

Code: Select all: susanne admin # genkernel --kernel-config=/usr/src/config --menuconfig --bootloader=grub --splash=sabayon --disklabel --luks all * Gentoo Linux Genkernel; Version 3.4.15 * Running with options: --kernel-config=/usr/src/config --menuconfig --bootloader=grub --splash=sabayon --disklabel --luks all * Linux Kernel 2.6.38-sabayon for x86_64... * kernel: Using config from /usr/src/config * Previous config backed up to .config--2011-04-08--00-13-00.bak * kernel: >> Running mrproper... * ERROR: Failed to compile the "mrproper" target... * -- Grepping log... -- /bin/sh: /usr/src/linux-2.6.38-sabayon/scripts/gcc-goto.sh: No such file or directory make: *** No rule to make target `/usr/src/linux-2.6.38-sabayon/arch/x86/Makefile'. Stop. * Gentoo Linux Genkernel; Version 3.4.15 * Running with options: --kernel-config=/usr/src/config --menuconfig --bootloader=grub --splash=sabayon --disklabel --luks all * ERROR: Failed to compile the "mrproper" target... * -- End log... --

So I have tried everything I could find but still stuck. Has anybody some guidance for me?

Thanks,
Rainer

Edit: Here is the log for pressing <Fn><F5>:

Code: Select all: Apr 8 01:10:12 susanne kernel: [31731.662813] atkbd serio0: Unknown key pressed (translated set 2, code 0x8e on isa0060/serio0). Apr 8 01:10:12 susanne kernel: [31731.662821] atkbd serio0: Use 'setkeycodes e00e <keycode>' to make it known. Apr 8 01:10:12 susanne kernel: [31731.664668] iwlagn 0000:04:00.0: RF_KILL bit toggled to enable radio. Apr 8 01:10:12 susanne NetworkManager[7129]: <info> WiFi now enabled by radio killswitch Apr 8 01:10:12 susanne kernel: [31731.673538] atkbd serio0: Unknown key released (translated set 2, code 0x8e on isa0060/serio0). Apr 8 01:10:12 susanne kernel: [31731.673543] atkbd serio0: Use 'setkeycodes e00e <keycode>' to make it known. Apr 8 01:10:12 susanne NetworkManager[7129]: <info> WiFi now disabled by radio killswitch

by **Fitzcarraldo** » Thu Apr 07, 2011 16:36

What does the following return?

Code: Select all: rfkill list

by **vaettchen** » Thu Apr 07, 2011 16:43

That depends upon how often I have pushed the <Fn><F5> keys. It seems to circle through three different configurations. Output below (I have removed the lines referring to the Bluetooth device):

Code: Select all: susanne / # rfkill list 0: acer-wireless: Wireless LAN Soft blocked: yes Hard blocked: no 1: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no ... 4: phy0: Wireless LAN Soft blocked: no Hard blocked: yes ... susanne / # rfkill list 0: acer-wireless: Wireless LAN Soft blocked: yes Hard blocked: no 1: ideapad_wlan: Wireless LAN Soft blocked: yes Hard blocked: no ... 4: phy0: Wireless LAN Soft blocked: yes Hard blocked: yes ... susanne / # rfkill list 0: acer-wireless: Wireless LAN Soft blocked: yes Hard blocked: no 1: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no ... 4: phy0: Wireless LAN Soft blocked: no Hard blocked: no ...

The Soft Blocked: yes for acer-wireless (why Acer?) does not go away.

by **vaettchen** » Thu Apr 07, 2011 16:53

Just in case the hwinfo output:

Code: Select all: 29: PCI 400.0: 0282 WLAN controller [Created at pci.318] Unique ID: y9sn.OmvKrQrlkKB Parent ID: qTvu.ol2YwXEQdsC SysFS ID: /devices/pci0000:00/0000:00:1c.1/0000:04:00.0 SysFS BusID: 0000:04:00.0 Hardware Class: network Model: "Intel WiFi Link 100 Series" Vendor: pci 0x8086 "Intel Corporation" Device: pci 0x0084 "WiFi Link 100 Series" SubVendor: pci 0x8086 "Intel Corporation" SubDevice: pci 0x1315 Driver: "iwlagn" Driver Modules: "iwlagn" Device File: wlan0 Features: WLAN Memory Range: 0xf2500000-0xf2501fff (rw,non-prefetchable) IRQ: 42 (56990 events) HW Address: 00:26:c7:50:c7:ac Link detected: no WLAN channels: 1 2 3 4 5 6 7 8 9 10 11 12 13 WLAN frequencies: 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472 WLAN encryption modes: WEP40 WEP104 TKIP CCMP WLAN authentication modes: open sharedkey wpa-psk wpa-eap Module Alias: "pci:v00008086d00000084sv00008086sd00001315bc02sc80i00" Driver Info #0: Driver Status: iwlagn is active Driver Activation Cmd: "modprobe iwlagn" Config Status: cfg=new, avail=yes, need=no, active=unknown Attached to: #20 (PCI bridge)

and

Code: Select all: 63: None 00.0: 1070a WLAN [Created at net.124] Unique ID: AYEt.QXn1l67RSa1 Parent ID: y9sn.OmvKrQrlkKB SysFS ID: /class/net/wlan0 SysFS Device Link: /devices/pci0000:00/0000:00:1c.1/0000:04:00.0 Hardware Class: network interface Model: "WLAN network interface" Driver: "iwlagn" Driver Modules: "iwlagn" Device File: wlan0 HW Address: 00:26:c7:50:c7:ac Link detected: no Config Status: cfg=new, avail=yes, need=no, active=unknown Attached to: #29 (WLAN controller)

by **Fitzcarraldo** » Thu Apr 07, 2011 17:22

I'm on a dog-slow public WiFi network on the moment. :roll:

Post the complete output of the command lsmod.

Basically, it seems, from what you posted so far, that you have two extra modules loaded: acer_wmi and ideapad_wlan. Use the rmmod command to unload those two and then use the rfkill list command again to find the index of what is left (I'm going to assume it will be '0') and try the command:

Code: Select all: rfkill unblock 0|wlan

Of course make sure that you use <Fn><F5> to show the hard block is zero.

by **Fitzcarraldo** » Thu Apr 07, 2011 17:27

If your laptop is actually an IdeaPad then also try with that ideapad_wlan module loaded, i.e. with only the acer_wmi module unloaded.

by **vaettchen** » Thu Apr 07, 2011 17:28

Her the lsmod outpt to start with. Working on the rest and back in 5 min...

Code: Select all: susanne / # lsmod Module Size Used by lp 7656 0 parport_pc 26985 0 ppdev 4696 0 ipv6 238960 32 snd_seq_dummy 1096 0 snd_seq_oss 22275 0 snd_seq_midi_event 4159 1 snd_seq_oss snd_seq 38155 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_seq_device 4173 3 snd_seq_dummy,snd_seq_oss,snd_seq snd_pcm_oss 29601 0 snd_mixer_oss 11217 1 snd_pcm_oss sco 6672 2 rfcomm 24592 6 bnep 8701 2 l2cap 33515 16 bnep,rfcomm snd_hda_codec_hdmi 18698 1 snd_hda_codec_realtek 264824 1 snd_hda_intel 18200 2 iwlagn 157130 0 i915 268705 7 snd_hda_codec 58327 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel snd_hwdep 4398 1 snd_hda_codec uvcvideo 49732 0 drm_kms_helper 21344 1 i915 snd_pcm 56665 4 snd_pcm_oss,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec drm 148133 3 i915,drm_kms_helper iwlcore 49628 1 iwlagn videodev 53532 1 uvcvideo v4l2_compat_ioctl32 6309 1 videodev snd_timer 14502 2 snd_seq,snd_pcm i2c_i801 6760 0 i2c_algo_bit 3978 1 i915 mac80211 163327 2 iwlagn,iwlcore btusb 8984 2 snd 43129 16 snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer bluetooth 45701 9 sco,bnep,rfcomm,l2cap,btusb cfg80211 118575 3 iwlagn,iwlcore,mac80211 snd_page_alloc 5877 2 snd_hda_intel,snd_pcm tpm_tis 6520 0 iTCO_wdt 9912 0 intel_ips 7896 0 i2c_core 14071 6 i915,drm_kms_helper,drm,videodev,i2c_i801,i2c_algo_bit atl1c 24793 0 joydev 8224 0 ideapad_laptop 3584 0 intel_agp 9224 1 i915 tpm 9105 1 tpm_tis acer_wmi 14376 0 pcspkr 1488 0 iTCO_vendor_support 1633 1 iTCO_wdt video 9966 1 i915 sparse_keymap 2233 2 ideapad_laptop,acer_wmi intel_gtt 10519 3 i915,intel_agp tpm_bios 3938 1 tpm xts 2245 0 gf128mul 5546 1 xts iscsi_tcp 7785 0 tg3 108594 0 e1000 85089 0 fuse 56430 2 xfs 429768 0 exportfs 2946 1 xfs nfs 241249 0 auth_rpcgss 35261 1 nfs nfs_acl 2015 1 nfs lockd 61715 1 nfs sunrpc 159622 4 nfs,auth_rpcgss,nfs_acl,lockd jfs 142606 0 reiserfs 206371 0 ext4 220676 2 jbd2 43670 1 ext4 ext3 107582 0 jbd 36361 1 ext3 ext2 54911 1 mbcache 4754 3 ext4,ext3,ext2 scsi_wait_scan 711 0 sl811_hcd 8863 0 ohci_hcd 18169 0 uhci_hcd 18352 0 ehci_hcd 32795 0 sx8 11236 0 imm 8780 0 parport 25351 4 lp,parport_pc,ppdev,imm pata_pcmcia 9685 0 pcmcia 29628 1 pata_pcmcia

by **vaettchen** » Thu Apr 07, 2011 17:39

Code: Select all: rmmod acer_wmi

did the trick! I write this over my working wireless connection!

Ahem - how do I make sure that acer_wmi gets out of the way for all eternity?

Thanks,
Rainer

by **Fitzcarraldo** » Thu Apr 07, 2011 17:45

The more-difficult way is to rebuild the kernel and disable CONFIG_ACER_WMI (i.e. make it =n instead of =m).

The easy userspace way is to blacklist the module. To blacklist a module you add a line per module to the file /etc/modprobe.d/blacklist as follows:

Code: Select all: blacklist acer_wmi

(or whatever the module is called) and then:

Code: Select all: update-modules

Then look in /etc/modprobe.conf to see if the module is blacklisted and, if it is, reboot and use:

Code: Select all: lsmod

to check that the module is not loaded this time.

by **Fitzcarraldo** » Thu Apr 07, 2011 17:49

For anyone else reading this thread, this is what using rfkill looks like (this example is from my laptop):

Code: Select all: # rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: hci0: Bluetooth Soft blocked: no Hard blocked: no # rfkill block 0 # rfkill list 0: phy0: Wireless LAN Soft blocked: yes Hard blocked: no 1: hci0: Bluetooth Soft blocked: no Hard blocked: no # rfkill unblock 0 # rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: hci0: Bluetooth Soft blocked: no Hard blocked: no # rfkill block wlan # rfkill list 0: phy0: Wireless LAN Soft blocked: yes Hard blocked: no 1: hci0: Bluetooth Soft blocked: no Hard blocked: no # rfkill unblock wlan # rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: hci0: Bluetooth Soft blocked: no Hard blocked: no #

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