Non sò sinceramente come risolverlo perchè dopo vari abilitazioni e disabilitazioni , disperato, disconetto l'utente o riavvio totalmente il pc...Solo così, si risolve in pratica torna tutto normale...
Come potrei risolvere questo problema?


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lspci -nn | grep -i net
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sudo lshw -C network
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rfkill list

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sudo /etc/init.d/network-manager restart
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lspci -nn | grep -i netCodice: Seleziona tutto
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 09)
03:00.0 Network controller [0280]: Qualcomm Atheros AR9485 Wireless Network Adapter [168c:0032] (rev 01)
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sudo lshw -C networkCodice: Seleziona tutto
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 09
serial: 20:89:84:a3:56:6d
size: 10Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168f-1_0.0.5 06/18/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:26 ioport:2000(size=256) memory:c0104000-c0104fff memory:c0100000-c0103fff
*-network
description: Wireless interface
product: AR9485 Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 01
serial: 50:b7:c3:bc:36:91
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=3.19.0-18-generic firmware=N/A ip=192.168.1.10 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 memory:c0000000-c007ffff memory:c0080000-c008ffff
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rfkill listCodice: Seleziona tutto
0: samsung-wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: samsung-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no

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echo options ath9k nohwcrypt=1 | sudo tee /etc/modprobe.d/ath9k.conf
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dmesg | grep ath

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[ 3.387684] Loaded X.509 cert 'Magrathea: Glacier signing key: f1a2a318f705ddcda4685a3212116c13d2fd2366'
[ 20.031621] ath: phy0: Set BT/WLAN RX diversity capability
[ 20.039144] ath: phy0: ASPM enabled: 0x42
[ 20.039146] ath: EEPROM regdomain: 0x65
[ 20.039147] ath: EEPROM indicates we should expect a direct regpair map
[ 20.039148] ath: Country alpha2 being used: 00
[ 20.039149] ath: Regpair used: 0x65
[ 22.176218] usbcore: registered new interface driver ath3k

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sudo iw reg set IT

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sudo ifconfig -a
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lsmod
magozurlinux [url=http://forum.ubuntu-it.org/viewtopic.php?p=4771535#p4771535][img]http://forum.ubuntu-it.org/images/icons/icona-cita.gif[/img][/url] ha scritto:Da terminale postami questi comandi:
ecco per il primo:Codice: Seleziona tutto
sudo ifconfig -a
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eth0 Link encap:Ethernet IndirizzoHW 20:89:84:a3:56:6d UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisioni:0 txqueuelen:1000 Byte RX:0 (0.0 B) Byte TX:0 (0.0 B) lo Link encap:Loopback locale indirizzo inet:127.0.0.1 Maschera:255.0.0.0 indirizzo inet6: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:516 errors:0 dropped:0 overruns:0 frame:0 TX packets:516 errors:0 dropped:0 overruns:0 carrier:0 collisioni:0 txqueuelen:0 Byte RX:72522 (72.5 KB) Byte TX:72522 (72.5 KB) wlan0 Link encap:Ethernet IndirizzoHW 50:b7:c3:bc:36:91 indirizzo inet:192.168.1.10 Bcast:192.168.1.255 Maschera:255.255.255.0 indirizzo inet6: fe80::52b7:c3ff:febc:3691/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4897 errors:0 dropped:0 overruns:0 frame:0 TX packets:4829 errors:0 dropped:0 overruns:0 carrier:0 collisioni:0 txqueuelen:1000 Byte RX:4076165 (4.0 MB) Byte TX:1083011 (1.0 MB)Il secondo:Codice: Seleziona tutto
lsmod
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Module Size Used by snd_usb_audio 180224 2 snd_usbmidi_lib 32768 1 snd_usb_audio pci_stub 16384 1 vboxpci 24576 0 vboxnetadp 28672 0 vboxnetflt 28672 0 vboxdrv 421888 3 vboxnetadp,vboxnetflt,vboxpci ctr 16384 1 ccm 20480 1 rfcomm 69632 8 bnep 20480 2 binfmt_misc 20480 1 zram 24576 8 lz4_compress 16384 1 zram rtsx_usb_ms 20480 0 memstick 20480 1 rtsx_usb_ms arc4 16384 2 uvcvideo 90112 0 videobuf2_vmalloc 16384 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_core 49152 1 uvcvideo v4l2_common 16384 1 videobuf2_core videodev 159744 3 uvcvideo,v4l2_common,videobuf2_core ath9k 147456 0 media 24576 2 uvcvideo,videodev snd_hda_codec_hdmi 53248 1 snd_hda_codec_realtek 86016 1 snd_hda_codec_generic 69632 1 snd_hda_codec_realtek ath9k_common 32768 1 ath9k snd_hda_intel 32768 3 snd_hda_controller 32768 1 snd_hda_intel ath3k 16384 0 ath9k_hw 458752 2 ath9k_common,ath9k btusb 32768 0 snd_hda_codec 143360 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller bluetooth 491520 23 bnep,ath3k,btusb,rfcomm snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec intel_rapl 20480 0 iosf_mbi 16384 1 intel_rapl ath 32768 3 ath9k_common,ath9k,ath9k_hw mac80211 724992 1 ath9k x86_pkg_temp_thermal 16384 0 cfg80211 540672 4 ath,ath9k_common,ath9k,mac80211 intel_powerclamp 20480 0 snd_pcm 106496 5 snd_usb_audio,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller snd_seq_midi 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_rawmidi 32768 2 snd_usbmidi_lib,snd_seq_midi samsung_laptop 16384 0 snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi mei_me 20480 0 snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 32768 2 snd_pcm,snd_seq coretemp 16384 0 mei 90112 1 mei_me kvm_intel 151552 0 snd 90112 23 snd_hda_codec_realtek,snd_usb_audio,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device soundcore 16384 2 snd,snd_hda_codec joydev 20480 0 shpchp 40960 0 kvm 483328 1 kvm_intel crct10dif_pclmul 16384 0 crc32_pclmul 16384 0 ghash_clmulni_intel 16384 0 mac_hid 16384 0 aesni_intel 172032 3 tpm_infineon 20480 0 aes_x86_64 20480 1 aesni_intel lpc_ich 24576 0 lrw 16384 1 aesni_intel gf128mul 16384 1 lrw glue_helper 16384 1 aesni_intel ablk_helper 16384 1 aesni_intel serio_raw 16384 0 cryptd 20480 3 ghash_clmulni_intel,aesni_intel,ablk_helper parport_pc 32768 0 ppdev 20480 0 lp 20480 0 parport 45056 3 lp,ppdev,parport_pc autofs4 40960 2 rtsx_usb_sdmmc 28672 0 rtsx_usb 24576 2 rtsx_usb_sdmmc,rtsx_usb_ms hid_generic 16384 0 usbhid 53248 0 hid 110592 2 hid_generic,usbhid amdkfd 81920 1 amd_iommu_v2 20480 1 amdkfd radeon 1556480 1 i915 1052672 3 ttm 98304 1 radeon i2c_algo_bit 16384 2 i915,radeon drm_kms_helper 122880 2 i915,radeon psmouse 118784 0 r8169 81920 0 drm 344064 8 ttm,i915,drm_kms_helper,radeon ahci 36864 3 libahci 32768 1 ahci mii 16384 1 r8169 wmi 20480 0 video 20480 2 i915,samsung_laptop

E' attivo l'IPv6!wlan0 Link encap:Ethernet IndirizzoHW 50:b7:c3:bc:36:91
indirizzo inet:192.168.1.10 Bcast:192.168.1.255 Maschera:255.255.255.0
indirizzo inet6: fe80::52b7:c3ff:febc:3691/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4897 errors:0 dropped:0 overruns:0 frame:0
TX packets:4829 errors:0 dropped:0 overruns:0 carrier:0
collisioni:0 txqueuelen:1000
Byte RX:4076165 (4.0 MB) Byte TX:1083011 (1.0 MB)

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sudo apt-get install build-essential
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wget https://www.kernel.org/pub/linux/kernel/projects/backports/stable/v4.1-rc1/backports-4.1-rc1-1.tar.gz
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tar -zxvf backports-4.1-rc1-1.tar.gz
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cd backports-*
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make defconfig-ath9k
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make
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sudo make install
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sudo modprobe ath9k
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