Re: networkmanager can not enable wireless scanning



Hi Larry,
From your information , and I have googled this bug
report:https://bugs.launchpad.net/ubuntu/+source/linux/+bug/938630,
and I have tried `rmmod acer-wmi`, the nm's "enable wireless" button
now is not unchecked again( great !), but nm still cannot scan for
wireless ssid. sadly :(

Thanks.

2013/9/27 LovelyLich <lovelylich gmail com>:
2013/9/27 Larry Finger <Larry Finger lwfinger net>:
On 09/26/2013 09:38 PM, LovelyLich wrote:

2013/9/27 Dan Williams <dcbw redhat com>:

On Thu, 2013-09-26 at 15:09 +0800, LovelyLich wrote:

Thanks Larry for your help.
iwconfig shows a wireless device.
here is my output :


What is the "rfkill list" output if, as root, you run "rfkill unblock
wifi"?

Dan

Thanks Dan, the output is :
[root localhost]/home/codedancer# rfkill unblock all
[root localhost]/home/codedancer# rfkill list
0: acer-wireless: Wireless LAN
         Soft blocked: yes
         Hard blocked: no
1: phy0: Wireless LAN
         Soft blocked: no
         Hard blocked: no
[root localhost]/home/codedancer#


sorry i am not familiar with this aspect, so i can only do what you
tell me to do , and can not think more things.


Is your computer built by Acer? I think I remember a case where the module
acer-wmi got loaded on a laptop built by a different manufacturer, and it
caused exactly this kind of problem.

Larry


Hi Larry,
My laptop is brought from asus, but here is my lsmod output, and I can
see acer-wmi and asus-wmi are loaded. Is this the root of my problem?

[root localhost]/home/codedancer# lsmod
Module                  Size  Used by
nfnetlink_queue        17875  0
nfnetlink_log          17746  0
nfnetlink              13977  2 nfnetlink_log,nfnetlink_queue
nf_conntrack_netbios_ns    12665  0
nf_conntrack_broadcast    12527  1 nf_conntrack_netbios_ns
ipt_MASQUERADE         12880  1
ip6table_nat           13015  1
nf_nat_ipv6            13213  1 ip6table_nat
ip6table_mangle        12700  1
ip6t_REJECT            12939  2
vmnet                  55808  17
nf_conntrack_ipv6      18782  24
nf_defrag_ipv6         18205  1 nf_conntrack_ipv6
ppdev                  17635  0
parport_pc             28048  0
parport                40425  2 ppdev,parport_pc
iptable_nat            13011  1
nf_nat_ipv4            13199  1 iptable_nat
fuse                   82124  3
nf_nat                 25743  5
ipt_MASQUERADE,nf_nat_ipv4,nf_nat_ipv6,ip6table_nat,iptable_nat
vsock                  48567  0
iptable_mangle         12695  1
vmci                   89912  2 vsock
nf_conntrack_ipv4      14808  20
nf_defrag_ipv4         12673  1 nf_conntrack_ipv4
xt_conntrack           12760  42
nf_conntrack           86376  11
nf_conntrack_netbios_ns,ipt_MASQUERADE,nf_nat,nf_nat_ipv4,nf_nat_ipv6,xt_conntrack,ip6table_nat,nf_conntrack_broadcast,iptable_nat,nf_conntrack_ipv4,nf_conntrack_ipv6
ebtable_filter         12827  0
vmmon                  76081  3
ebtables               30758  1 ebtable_filter
bnep                   19704  2
bluetooth             356483  5 bnep
ip6table_filter        12815  1
ip6_tables             26808  3 ip6table_filter,ip6table_mangle,ip6table_nat
snd_hda_codec_realtek    46058  1
snd_hda_codec_hdmi     41153  1
snd_hda_intel          44037  5
snd_hda_codec         178706  3
snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep              17650  1 snd_hda_codec
acpi_cpufreq           19612  0
mperf                  12607  1 acpi_cpufreq
snd_seq                64849  0
coretemp               13435  0
snd_seq_device         14136  1 snd_seq
snd_pcm                98071  3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc         18268  2 snd_pcm,snd_hda_intel
kvm_intel             133627  0
alx                    68379  0
snd_timer              28698  2 snd_pcm,snd_seq
arc4                   12608  2
kvm                   439238  1 kvm_intel
compat                 13168  1 alx
uvcvideo               81017  0
videobuf2_vmalloc      13163  1 uvcvideo
ath9k                 151095  0
ath9k_common           13648  1 ath9k
ath9k_hw              416942  2 ath9k_common,ath9k
acer_wmi               32522  0  <================================A
ath                    23142  3 ath9k_common,ath9k,ath9k_hw
mac80211              595898  1 ath9k
snd                    79388  19
snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_hda_codec,snd_hda_intel,snd_seq_device
asus_nb_wmi            16990  0
asus_wmi               24071  1 asus_nb_wmi <========================B
sparse_keymap          13584  2 acer_wmi,asus_wmi
iTCO_wdt               13480  0
iTCO_vendor_support    13419  1 iTCO_wdt
soundcore              14491  1 snd
videobuf2_memops       13161  1 videobuf2_vmalloc
mdio                   13435  1 alx
videobuf2_core         38773  1 uvcvideo
crc32_pclmul           13113  0
crc32c_intel           22079  0
ghash_clmulni_intel    13259  0
mei                    70788  0
videodev              121804  2 uvcvideo,videobuf2_core
ata_generic            12910  0
microcode              23403  0
cfg80211              517234  3 ath,ath9k,mac80211
rfkill                 21694  5 cfg80211,acer_wmi,bluetooth,asus_wmi
<===============C
joydev                 17332  0
i2c_i801               18136  0
shpchp                 37032  0
pata_acpi              13038  0
serio_raw              13375  0
lpc_ich                16977  0
media                  20444  2 uvcvideo,videodev
mfd_core               13182  1 lpc_ich
nouveau               983714  0
i915                  606325  4
ttm                    80208  1 nouveau
i2c_algo_bit           13257  2 i915,nouveau
drm_kms_helper         46114  2 i915,nouveau
drm                   268517  7 ttm,i915,drm_kms_helper,nouveau
mxm_wmi                12865  1 nouveau
i2c_core               34059  7
drm,i915,i2c_i801,drm_kms_helper,i2c_algo_bit,nouveau,videodev
wmi                    18697  4 acer_wmi,mxm_wmi,nouveau,asus_wmi
<=============D
video                  18990  4 i915,acer_wmi,nouveau,asus_wmi
<===============E
[root localhost]/home/codedancer#


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