non riesco a far funzionare la mia scheda wireless, non vede nessuna rete. Cosa devo fare ??
[root@localhost ~]# iwconfig wlan0
wlan0 IEEE 802.11abgn ESSID:""
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Tx-Power=15 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
Encryption key:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
[root@localhost ~]# lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:01.0 PCI bridge: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
01:00.0 VGA compatible controller: nVidia Corporation GeForce 9600M GT (rev a1)
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8071 PCI-E Gigabit Ethernet Controller (rev 16)
03:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
[root@localhost network-scripts]# lspci -v
…
03:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
Subsystem: Intel Corporation Unknown device 1201
Flags: fast devsel, IRQ 17
Memory at f6200000 (64-bit, non-prefetchable) [size=8]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
Capabilities: [e0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting <?>
Capabilities: [140] Device Serial Number 16-05-56-ff-ff-ea-16-00
Kernel driver in use: iwlagn
Kernel modules: iwlagn
…
**
[root@localhost ~]# ifup wlan0**
Error for wireless request “Set Mode” (8B06) :
SET failed on device wlan0 ; Invalid argument.
Determining IP information for wlan0…SIOCSIFFLAGS: No such file or directory
SIOCSIFFLAGS: No such file or directory
failed.
[root@localhost ~]# ndiswrapper -l (non fa nulla)
[root@localhost ~]#
**[root@localhost devices]# cat ifcfg-wlan0 **
Please read /usr/share/doc/initscripts-*/sysconfig.txt
for the documentation of these parameters.
TYPE=Wireless
DEVICE=wlan0
HWADDR=00:16:ea:56:05:16
BOOTPROTO=dhcp
ONBOOT=yes
USERCTL=no
PEERDNS=no
IPV6INIT=no
CHANNEL=1
MODE=Auto
RATE=auto
NM_CONTROLLED=no
NETMASK=
DNS3=
DHCP_HOSTNAME=
IPADDR=
DNS2=172.20.0.122
DOMAIN=
SEARCH=cs.tin.it
DNS1=172.20.0.121
ESSID=
[root@localhost devices]#
**[root@localhost network-scripts]# dmesg **
iwlagn 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
iwlagn 0000:03:00.0: restoring config space at offset 0x1 (was 0x100102, writing 0x100106)
firmware: requesting iwlwifi-5000-1.ucode
iwlagn: iwlwifi-5000-1.ucode firmware file req failed: Reason -2
iwlagn: Could not read microcode: -2
iwlagn 0000:03:00.0: PCI INT A disabled
iwlagn 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
iwlagn 0000:03:00.0: restoring config space at offset 0x1 (was 0x100102, writing 0x100106)
firmware: requesting iwlwifi-5000-1.ucode
iwlagn: iwlwifi-5000-1.ucode firmware file req failed: Reason -2
iwlagn: Could not read microcode: -2
iwlagn 0000:03:00.0: PCI INT A disabled
iwlagn 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
iwlagn 0000:03:00.0: restoring config space at offset 0x1 (was 0x100102, writing 0x100106)
firmware: requesting iwlwifi-5000-1.ucode
iwlagn: iwlwifi-5000-1.ucode firmware file req failed: Reason -2
iwlagn: Could not read microcode: -2
iwlagn 0000:03:00.0: PCI INT A disabled
iwlagn 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
iwlagn 0000:03:00.0: restoring config space at offset 0x1 (was 0x100102, writing 0x100106)
firmware: requesting iwlwifi-5000-1.ucode
iwlagn: iwlwifi-5000-1.ucode firmware file req failed: Reason -2
iwlagn: Could not read microcode: -2
iwlagn 0000:03:00.0: PCI INT A disabled
**
[root@localhost network-scripts]# lsmod**
Module Size Used by
ndiswrapper 154772 0
sit 12804 0
tunnel4 6792 1 sit
fuse 49436 4
ipt_MASQUERADE 6528 1
iptable_nat 8712 1
nf_nat 17944 2 ipt_MASQUERADE,iptable_nat
bridge 43668 0
stp 6148 1 bridge
bnep 14848 2
rfcomm 33808 4
l2cap 21504 16 bnep,rfcomm
bluetooth 48608 5 bnep,rfcomm,l2cap
vmnet 30888 13
ppdev 10372 0
parport_pc 25748 0
parport 31956 2 ppdev,parport_pc
vmmon 1797044 0
ib_iser 30268 0
rdma_cm 26880 1 ib_iser
ib_cm 32592 1 rdma_cm
iw_cm 11012 1 rdma_cm
ib_sa 20552 2 rdma_cm,ib_cm
ib_mad 32792 2 ib_cm,ib_sa
ib_core 49024 6 ib_iser,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
ib_addr 9348 1 rdma_cm
iscsi_tcp 18440 0
libiscsi 26496 2 ib_iser,iscsi_tcp
scsi_transport_iscsi 28440 4 ib_iser,iscsi_tcp,libiscsi
sunrpc 155924 3
ipt_REJECT 6656 4
nf_conntrack_ipv4 11528 6 iptable_nat,nf_nat
iptable_filter 6528 1
ip_tables 13712 2 iptable_nat,iptable_filter
ip6t_REJECT 7296 2
xt_tcpudp 6656 6
nf_conntrack_ipv6 15864 2
xt_state 5888 5
nf_conntrack 51424 6 ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv4,nf_conntrack_ipv6,xt_state
ip6table_filter 6400 1
ip6_tables 14736 1 ip6table_filter
x_tables 15236 8 ipt_MASQUERADE,iptable_nat,ipt_REJECT,ip_tables,ip6t_REJECT,xt_tcpudp,xt_state,ip6_tables
cpufreq_ondemand 9868 1
acpi_cpufreq 12172 0
dm_mirror 19968 0
dm_log 12292 1 dm_mirror
dm_multipath 17292 0
scsi_dh 9476 1 dm_multipath
dm_mod 48948 3 dm_mirror,dm_log,dm_multipath
ipv6 230516 27 sit,ip6t_REJECT,nf_conntrack_ipv6
nvidia 7090812 36
snd_hda_intel 353940 3
snd_seq_dummy 6660 0
snd_seq_oss 30364 0
snd_seq_midi_event 9600 1 snd_seq_oss
snd_seq 48576 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
arc4 5760 2
snd_seq_device 9996 3 snd_seq_dummy,snd_seq_oss,snd_seq
ecb 6528 2
crypto_blkcipher 18052 1 ecb
snd_pcm_oss 42496 0
snd_mixer_oss 16896 1 snd_pcm_oss
iwlagn 139140 0
snd_pcm 65924 2 snd_hda_intel,snd_pcm_oss
iwlcore 116804 1 iwlagn
snd_timer 22024 2 snd_seq,snd_pcm
snd_page_alloc 11016 2 snd_hda_intel,snd_pcm
uvcvideo 51720 0
snd_hwdep 10500 1 snd_hda_intel
rfkill 11160 2 iwlcore
snd 50744 16 snd_hda_intel,snd_seq_dummy,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_hwdep
compat_ioctl32 5120 1 uvcvideo
mac80211 173668 2 iwlagn,iwlcore
i2c_i801 12048 0
sr_mod 17064 0
videodev 32000 1 uvcvideo
cdrom 32664 1 sr_mod
video 20496 5
acer_wmi 17472 0
sky2 42500 0
output 6528 1 video
cfg80211 23816 3 iwlagn,iwlcore,mac80211
soundcore 9416 1 snd
wmi 9640 1 acer_wmi
v4l1_compat 16004 2 uvcvideo,videodev
i2c_core 21396 2 nvidia,i2c_i801
pcspkr 6272 0
sg 31028 0
joydev 12736 0
ahci 30732 3
libata 135276 1 ahci
sd_mod 32536 4
scsi_mod 124156 9 ib_iser,iscsi_tcp,libiscsi,scsi_transport_iscsi,scsi_dh,sr_mod,sg,libata,sd_mod
crc_t10dif 5760 1 sd_mod
ext3 109704 1
jbd 43412 1 ext3
mbcache 10244 1 ext3
uhci_hcd 23440 0
ohci_hcd 24336 0
ehci_hcd 32908 0[/size]