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Starting a few weeks ago I get very bad connection using a Intel 3945 card. I also have win7 on the same laptop, using it only for skype and I get way better (I would say normal) connection.
And here's the difference: on Arch I tried downloading some files from one of my ftp servers, the download speed never exceeds 100 k/s; on win7 it's 2.4 M/s average speed... This is very weird and intriguing, because I always had much better networking on linux than win7.
Here's lspci
> lspci | grep -i wireless
06:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)Here's my lsmod:
> lsmod
Module Size Used by
ipv6 282502 10
cryptd 6262 0
aes_x86_64 7412 1
aes_generic 26170 1 aes_x86_64
fuse 62808 3
snd_hda_codec_realtek 269269 1
arc4 1378 2
ecb 2041 2
snd_seq_dummy 1463 0
snd_seq_oss 28792 0
snd_seq_midi_event 5436 1 snd_seq_oss
snd_seq 50146 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
iwl3945 159167 0
snd_hda_intel 22285 4
snd_seq_device 5297 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 39189 0
snd_mixer_oss 17106 1 snd_pcm_oss
snd_hda_codec 77223 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 6110 1 snd_hda_codec
snd_pcm 71445 4 snd_hda_intel,snd_pcm_oss,snd_hda_codec
iwlcore 121988 1 iwl3945
i915 301559 2
snd_timer 19265 3 snd_seq,snd_pcm
snd 57626 17 snd_hda_codec_realtek,snd_seq_oss,snd_seq,snd_hda_intel,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
cpufreq_powersave 958 0
drm_kms_helper 24903 1 i915
i2c_i801 9062 0
cpufreq_ondemand 8439 2
joydev 9895 0
drm 164459 3 i915,drm_kms_helper
sdhci_pci 7090 0
sdhci 16478 1 sdhci_pci
mac80211 189302 2 iwl3945,iwlcore
acpi_cpufreq 5993 1
firewire_ohci 23515 0
soundcore 6065 1 snd
btusb 11353 0
sg 25652 0
bluetooth 50549 1 btusb
mmc_core 54202 1 sdhci
cfg80211 144231 3 iwl3945,iwlcore,mac80211
dell_laptop 5835 0
intel_agp 29423 2 i915
psmouse 54040 0
dell_wmi 2915 0
wmi 6894 1 dell_wmi
i2c_algo_bit 5231 1 i915
i2c_core 18987 5 i915,drm_kms_helper,i2c_i801,drm,i2c_algo_bit
snd_page_alloc 7249 2 snd_hda_intel,snd_pcm
freq_table 2355 2 cpufreq_ondemand,acpi_cpufreq
firewire_core 44810 1 firewire_ohci
ac 3105 0
video 19337 1 i915
processor 28966 3 acpi_cpufreq
battery 10103 0
mperf 1243 1 acpi_cpufreq
rfkill 16010 3 bluetooth,cfg80211,dell_laptop
led_class 2363 1 sdhci
pcspkr 1819 0
serio_raw 4486 0
iTCO_wdt 10669 0
evdev 8775 15
output 1972 1 video
button 4834 1 i915
thermal 12338 0
crc_itu_t 1297 1 firewire_core
iTCO_vendor_support 1833 1 iTCO_wdt
r8169 38078 0
dcdbas 5528 1 dell_laptop
mii 3826 1 r8169
rtc_cmos 9022 0
rtc_core 14439 1 rtc_cmos
rtc_lib 1898 1 rtc_core
ext3 125730 3
jbd 46898 1 ext3
mbcache 5746 1 ext3
uhci_hcd 22118 0
ehci_hcd 36992 0
usbcore 146481 4 btusb,uhci_hcd,ehci_hcd
sr_mod 14954 0
cdrom 35851 1 sr_mod
sd_mod 29536 5
ata_piix 21548 0
ahci 20609 0
libahci 19134 5 ahci
ata_generic 3167 0
pata_acpi 3248 0
libata 157227 5 ata_piix,ahci,libahci,ata_generic,pata_acpi
scsi_mod 124416 4 sg,sr_mod,sd_mod,libataI would need some advice on this, if anyone has any idea. Thanks!
Last edited by RaisedFist (2010-09-27 05:15:23)
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sorry, I re-edited the original post because even after removing the ipv6 module, it still doesn't work as it should be... I have no idea why this happens
Last edit, I promiss: the problem was netcfg. I don't know why, but it doesn't get the same signal as wicd, which I'm using right now...
Last edited by RaisedFist (2010-09-27 05:17:14)
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