Ethernet and Wi-Fi not working on Aspire 5749 with Debian Squeeze

[Shaney]

I got a new laptop Acer Aspire 5749 and I installed Debian Squeeze on my laptop today only. But after installing Debian Squeeze I am getting problems in my Wi-Fi and Ethernet. As I am not able to enable my Wi-Fi. So I tried to search and I also tried to follow steps mentioned on wiki.debian.org/iwlagn but I am not able to connect the Wi-Fi yet and getting (iwconfig returns: "x no wireless extension" for x in "lo","eth0", and “pan0"). And about the Ethernet I am just able to connect to the internet for sometimes and after that the connection losses. So I have to reboot it and when I try to ping my router I am not getting any ping also. So can anyone over here help me to fix this problem? I will provide you with the lspci code also what I am getting in my laptop.

00:00.0 Host bridge: Intel Corporation Sandy Bridge DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Sandy Bridge Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation Cougar Point HECI Controller #1 (rev 04)
00:1a.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation Cougar Point High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 1 (rev b5)
00:1c.5 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 6 (rev b5)
00:1d.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation Cougar Point LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation Cougar Point 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation Cougar Point SMBus Controller (rev 05)
02:00.0 Ethernet controller: Atheros Communications AR8152 v2.0 Fast Ethernet (rev c1)
07:00.0 Network controller: Intel Corporation WiFi 100 Series

[Jugo]

Hey can you just try and get the output of these two:

lspci -knn
lsmod

And when the connection of your Ethernet goes just take the whole output:

dmesg | tail -50

As after seeing that codes and error someone would be able to help you surely.

[Shaney]

Ok thank you for your replies here are the required codes as you needed it.

lspci -knn :

00:00.0 Host bridge [0600]: Intel Corporation Sandy Bridge DRAM Controller [8086:0104] (rev 09)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
00:02.0 VGA compatible controller [0300]: Intel Corporation Sandy Bridge Integrated Graphics Controller [8086:0116] (rev 09)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
00:16.0 Communication controller [0780]: Intel Corporation Cougar Point HECI Controller #1 [8086:1c3a] (rev 04)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
00:1a.0 USB Controller [0c03]: Intel Corporation Cougar Point USB Enhanced Host Controller #2 [8086:1c2d] (rev 05)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
	Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation Cougar Point High Definition Audio Controller [8086:1c20] (rev 05)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
	Kernel driver in use: HDA Intel
00:1c.0 PCI bridge [0604]: Intel Corporation Cougar Point PCI Express Root Port 1 [8086:1c10] (rev b5)
	Kernel driver in use: pcieport
00:1c.5 PCI bridge [0604]: Intel Corporation Cougar Point PCI Express Root Port 6 [8086:1c1a] (rev b5)
	Kernel driver in use: pcieport
00:1d.0 USB Controller [0c03]: Intel Corporation Cougar Point USB Enhanced Host Controller #1 [8086:1c26] (rev 05)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
	Kernel driver in use: ehci_hcd
00:1f.0 ISA bridge [0601]: Intel Corporation Cougar Point LPC Controller [8086:1c49] (rev 05)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
00:1f.2 SATA controller [0106]: Intel Corporation Cougar Point 6 port SATA AHCI Controller [8086:1c03] (rev 05)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
	Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation Cougar Point SMBus Controller [8086:1c22] (rev 05)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
02:00.0 Ethernet controller [0200]: Atheros Communications AR8152 v2.0 Fast Ethernet [1969:2062] (rev c1)
	Subsystem: Acer Incorporated [ALI] Device [1025:0623]
	Kernel driver in use: atl1c
07:00.0 Network controller [0280]: Intel Corporation WiFi 100 Series [8086:08ae]
	Subsystem: Intel Corporation Device [8086:1005]

lsmod :

Module                  Size  Used by
isofs                  24608  1 
nls_utf8                 908  2 
nls_cp437               4489  1 
vfat                    6570  1 
fat                    34912  1 vfat
udf                    62930  0 
crc_itu_t               1035  1 udf
acpi_cpufreq            4951  1 
cpufreq_stats           1997  0 
cpufreq_conservative     4018  0 
cpufreq_userspace       1480  0 
cpufreq_powersave        602  0 
parport_pc             15871  0 
ppdev                   4058  0 
lp                      5570  0 
parport                22554  3 parport_pc,ppdev,lp
sco                     5885  2 
bridge                 33031  0 
stp                      996  1 bridge
bnep                    7452  2 
rfcomm                 25199  0 
l2cap                  21721  6 bnep,rfcomm
bluetooth              36319  6 sco,bnep,rfcomm,l2cap
i915                  223566  0 
drm_kms_helper         18569  1 i915
drm                   112616  2 i915,drm_kms_helper
i2c_algo_bit            3497  1 i915
binfmt_misc             4907  1 
uinput                  4796  1 
fuse                   44268  1 
ext3                   94396  1 
jbd                    32317  1 ext3
loop                    9769  0 
snd_hda_codec_realtek   163318  1 
snd_hda_intel          16907  1 
snd_hda_codec          46002  2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep               4054  1 snd_hda_codec
snd_pcm                47386  2 snd_hda_intel,snd_hda_codec
joydev                  6739  0 
snd_seq                35463  0 
snd_timer              12270  2 snd_pcm,snd_seq
uvcvideo               45582  0 
videodev               25605  1 uvcvideo
snd_seq_device          3673  1 snd_seq
v4l1_compat            10250  2 uvcvideo,videodev
rfkill                 10264  3 bluetooth
snd                    34415  10 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_seq,snd_timer,snd_seq_device
led_class               1757  0 
i2c_i801                6466  0 
soundcore               3450  1 snd
video                  14605  1 i915
wmi                     3575  0 
snd_page_alloc          5113  2 snd_hda_intel,snd_pcm
i2c_core               12787  6 i915,drm_kms_helper,drm,i2c_algo_bit,videodev,i2c_i801
output                  1204  1 video
processor              26335  5 acpi_cpufreq
battery                 3782  0 
button                  3598  1 i915
ac                      1640  0 
pcspkr                  1207  0 
evdev                   5609  14 
psmouse                44809  0 
serio_raw               2916  0 
ext4                  256872  1 
mbcache                 3762  2 ext3,ext4
jbd2                   56155  1 ext4
crc16                   1027  2 l2cap,ext4
sg                     19937  0 
sr_mod                 10770  1 
cdrom                  26487  1 sr_mod
sd_mod                 26005  6 
crc_t10dif              1012  1 sd_mod
usb_storage            30937  1 
ahci                   27426  4 
thermal                 9206  0 
libata                116181  1 ahci
thermal_sys             9378  3 video,processor,thermal
ehci_hcd               29105  0 
scsi_mod              104865  5 sg,sr_mod,sd_mod,usb_storage,libata
atl1c                  24168  0 
usbcore                99317  4 uvcvideo,usb_storage,ehci_hcd
nls_base                4541  7 isofs,nls_utf8,nls_cp437,vfat,fat,udf,usbcore

dmesg|tail -50 (just after the network via ethernet drop)

[   30.886264] CPU3 attaching NULL sched-domain.
[   30.921429] CPU0 attaching sched-domain:
[   30.921434]  domain 0: span 0-1 level SIBLING
[   30.921438]   groups: group c40043b4 cpus 0 (cpu_power = 589) group c40443b4 cpus 1 (cpu_power = 589)
[   30.921447]   domain 1: span 0-3 level MC
[   30.921450]    groups: group c4004420 cpus 0-1 (cpu_power = 1178) group c4084420 cpus 2-3 (cpu_power = 1178)
[   30.921459] CPU1 attaching sched-domain:
[   30.921461]  domain 0: span 0-1 level SIBLING
[   30.921464]   groups: group c40443b4 cpus 1 (cpu_power = 589) group c40043b4 cpus 0 (cpu_power = 589)
[   30.921471]   domain 1: span 0-3 level MC
[   30.921474]    groups: group c4004420 cpus 0-1 (cpu_power = 1178) group c4084420 cpus 2-3 (cpu_power = 1178)
[   30.921481] CPU2 attaching sched-domain:
[   30.921484]  domain 0: span 2-3 level SIBLING
[   30.921486]   groups: group c40843b4 cpus 2 (cpu_power = 589) group c40c43b4 cpus 3 (cpu_power = 589)
[   30.921493]   domain 1: span 0-3 level MC
[   30.921496]    groups: group c4084420 cpus 2-3 (cpu_power = 1178) group c4004420 cpus 0-1 (cpu_power = 1178)
[   30.921503] CPU3 attaching sched-domain:
[   30.921505]  domain 0: span 2-3 level SIBLING
[   30.921508]   groups: group c40c43b4 cpus 3 (cpu_power = 589) group c40843b4 cpus 2 (cpu_power = 589)
[   30.921515]   domain 1: span 0-3 level MC
[   30.921518]    groups: group c4084420 cpus 2-3 (cpu_power = 1178) group c4004420 cpus 0-1 (cpu_power = 1178)
[   30.922128] CPU0 attaching NULL sched-domain.
[   30.922132] CPU1 attaching NULL sched-domain.
[   30.922134] CPU2 attaching NULL sched-domain.
[   30.922137] CPU3 attaching NULL sched-domain.
[   30.949450] CPU0 attaching sched-domain:
[   30.949461]  domain 0: span 0-1 level SIBLING
[   30.949468]   groups: group c40043b4 cpus 0 (cpu_power = 589) group c40443b4 cpus 1 (cpu_power = 589)
[   30.949488]   domain 1: span 0-3 level MC
[   30.949494]    groups: group c4004420 cpus 0-1 (cpu_power = 1178) group c4084420 cpus 2-3 (cpu_power = 1178)
[   30.949513] CPU1 attaching sched-domain:
[   30.949518]  domain 0: span 0-1 level SIBLING
[   30.949524]   groups: group c40443b4 cpus 1 (cpu_power = 589) group c40043b4 cpus 0 (cpu_power = 589)
[   30.949541]   domain 1: span 0-3 level MC
[   30.949546]    groups: group c4004420 cpus 0-1 (cpu_power = 1178) group c4084420 cpus 2-3 (cpu_power = 1178)
[   30.949563] CPU2 attaching sched-domain:
[   30.949568]  domain 0: span 2-3 level SIBLING
[   30.949574]   groups: group c40843b4 cpus 2 (cpu_power = 589) group c40c43b4 cpus 3 (cpu_power = 589)
[   30.949590]   domain 1: span 0-3 level MC
[   30.949595]    groups: group c4084420 cpus 2-3 (cpu_power = 1178) group c4004420 cpus 0-1 (cpu_power = 1178)
[   30.949612] CPU3 attaching sched-domain:
[   30.949617]  domain 0: span 2-3 level SIBLING
[   30.949622]   groups: group c40c43b4 cpus 3 (cpu_power = 589) group c40843b4 cpus 2 (cpu_power = 589)
[   30.949638]   domain 1: span 0-3 level MC
[   30.949643]    groups: group c4084420 cpus 2-3 (cpu_power = 1178) group c4004420 cpus 0-1 (cpu_power = 1178)
[   60.027755] FAT: utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
[   62.393249] UDF-fs: No VRS found
[   62.393256] UDF-fs: No partition found (1)
[   62.485526] ISO 9660 Extensions: Microsoft Joliet Level 3
[   62.536888] ISOFS: changing to secondary root

Hope this much is enough and if you require any thing else please let me know so that i can provide you with what all codes you need.

[Kakashi Hatake]

Install network-config, I use this as a simple network manager. My installation is direct connect - I did not need a network manager at all. However, I got into a jam when I booted into my second kernel (system specific), and when I came back to my primary kernel the network would not work. I had been doing a reload in times past. However, using network-config - which will only show-up at the bottom of "other" programs, and making eth0 active (check box) I was able to avoid rebuild. Very simple, very effective. There is a selection for wlan0 as well, provided your wireless is configured properly. I also discovered that my network, although working - was handicapped. Now it is full blown.