Why Wifi no longer works 12.04.1
- by Roger
starting this morning over wifi (Realtek RTL8188CE) on CLEVO W253HU.
May be due to the update before yesterday, more pilot managed, but somehow it worked yesterday.
If someone has an idea of the problem.
Back command lines:
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS"
lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 006: ID 192f:0416 Avago Technologies, Pte.
Bus 002 Device 004: ID 5986:0315 Acer, Inc
lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05)
03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90)
03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90)
03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90)
lspci -nn | grep -i net
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
03:00.0 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller [197b:0250] (rev 05)
lspci -k
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: i915
Kernel modules: i915
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: mei
Kernel modules: mei
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: ehci_hcd
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: ehci_hcd
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel modules: iTCO_wdt
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: ahci
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel modules: i2c-i801
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
Subsystem: Realtek Semiconductor Co., Ltd. Device 9196
Kernel modules: rtl8192ce
03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: jme
Kernel modules: jme
03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: sdhci-pci
Kernel modules: sdhci-pci
03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel modules: sdhci-pci
03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90)
Subsystem: CLEVO/KAPOK Computer Device 4140
Kernel driver in use: jmb38x_ms
Kernel modules: jmb38x_ms
sudo lshw -C network
*-network NON-RÉCLAMÉ
description: Network controller
produit: RTL8188CE 802.11b/g/n WiFi Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
version: 01
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress cap_list
configuration: latency=0
ressources: portE/S:e000(taille=256) mémoire:f7d00000-f7d03fff
*-network
description: Ethernet interface
produit: JMC250 PCI Express Gigabit Ethernet Controller
fabriquant: JMicron Technology Corp.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: eth0
version: 05
numéro de série: 00:90:f5:c1:c6:45
taille: 100Mbit/s
capacité: 1Gbit/s
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm pciexpress msix msi bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=jme driverversion=1.0.8 duplex=full ip=192.168.1.54 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:44 mémoire:f7c20000-f7c23fff portE/S:d100(taille=128) portE/S:d000(taille=256) mémoire:f7c10000-f7c1ffff mémoire:f7c00000-f7c0ffff
lsmod
Module Size Used by
btusb 18288 0
rfcomm 47604 0
bnep 18281 2
bluetooth 180104 11 btusb,rfcomm,bnep
parport_pc 32866 0
ppdev 17113 0
binfmt_misc 17540 1
snd_hda_codec_realtek 224173 0
dm_crypt 23125 0
snd_hda_codec_hdmi 32474 0
uvcvideo 72627 0
videodev 98259 1 uvcvideo
v4l2_compat_ioctl32 17128 1 videodev
snd_hda_intel 33773 2
snd_hda_codec 127706 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep 13668 1 snd_hda_codec
snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi 13324 0
snd_rawmidi 30748 1 snd_seq_midi
jmb38x_ms 17646 0
psmouse 87692 0
serio_raw 13211 0
memstick 16569 1 jmb38x_ms
snd_seq_midi_event 14899 1 snd_seq_midi
rtl8192ce 84826 0
rtl8192c_common 75767 1 rtl8192ce
rtlwifi 111202 1 rtl8192ce
snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event
snd_timer 29990 2 snd_pcm,snd_seq
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
mac80211 506816 3 rtl8192ce,rtl8192c_common,rtlwifi
mac_hid 13253 0
snd 78855 14 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
cfg80211 205544 2 rtlwifi,mac80211
soundcore 15091 1 snd
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
mei 41616 0
lp 17799 0
parport 46562 3 parport_pc,ppdev,lp
usbhid 47199 0
hid 99559 1 usbhid
i915 473035 3
drm_kms_helper 46978 1 i915
drm 242038 4 i915,drm_kms_helper
jme 41259 0
i2c_algo_bit 13423 1 i915
sdhci_pci 18826 0
sdhci 33205 1 sdhci_pci
wmi 19256 0
video 19596 1 i915
iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
ifconfig
eth0 Link encap:Ethernet HWaddr 00:90:f5:c1:c6:45
inet adr:192.168.1.54 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::290:f5ff:fec1:c645/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:4513 erreurs:0 :0 overruns:0 frame:0
TX packets:4359 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:3471675 (3.4 MB) Octets transmis:712722 (712.7 KB)
Interruption:44
lo Link encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
adr inet6: ::1/128 Scope:Hôte
UP LOOPBACK RUNNING MTU:16436 Metric:1
Packets reçus:686 erreurs:0 :0 overruns:0 frame:0
TX packets:686 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:64556 (64.5 KB) Octets transmis:64556 (64.5 KB)
sudo iwlist scan
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
uname -r -m
3.2.0-30-generic x86_64
cat /etc/network/interfaces
auto lo
iface lo inet loopback
nm-tool
NetworkManager Tool
State: connected (global)
- Device: eth0 [Connexion filaire 1] ------------------------------------------
Type: Wired
Driver: jme
State: connected
Default: yes
HW Address: 00:90:F5:C1:C6:45
Capabilities:
Carrier Detect: yes
Speed: 100 Mb/s
Wired Properties
Carrier: on
IPv4 Settings:
Address: 192.168.1.54
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
sudo rfkill listrfkill list
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
The absence of line "Kernel driver in use:" the return of lspci-k made ??me think that it is not loaded yet but he seems to be.
lsmod | grep rtl8192ce
rtl8192ce 137478 0
rtlwifi 118749 1 rtl8192ce
mac80211 506816 2 rtl8192ce,rtlwifi
I found something disturbing in / var / log / syslog
Sep 14 11:40:11 pcroger kernel: [ 64.048783] rtl8192ce-0:rtl92c_init_sw_vars():<0-0> Failed to request firmware!
Sep 14 11:40:11 pcroger kernel: [ 64.048795] rtlwifi-0:rtl_pci_probe():<0-0> Can't init_sw_vars.
Sep 14 11:40:11 pcroger kernel: [ 64.048835] rtl8192ce 0000:02:00.0: PCI INT A disabled
Sep 14 11:40:11 pcroger kernel: [ 64.943345] ata1.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x6 frozen
Sep 14 11:40:11 pcroger kernel: [ 64.943358] ata1.00: failed command: READ FPDMA QUEUED
Sep 14 11:40:11 pcroger kernel: [ 64.943371] ata1.00: cmd 60/00:00:00:68:6a/04:00:0b:00:00/40 tag 0 ncq 524288 in
Sep 14 11:40:11 pcroger kernel: [ 64.943374] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Sep 14 11:40:11 pcroger kernel: [ 64.943381] ata1.00: status: { DRDY }
Ubuntu and takes forever to start (2 min).
