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So I'm having severe issues maintaining a wifi connection.
Output from lspci | grep "Network":
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01)
Output from lsusb | grep "WLAN":
Bus 001 Device 002: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN Adapter
Output from lsmod:
Module Size Used by
ctr 12927 3
ccm 17534 3
nvram 13034 0
msr 12677 0
ecb 12737 1
rtl8192cu 66273 0
rtl_usb 17592 1 rtl8192cu
rtl8192c_common 44268 1 rtl8192cu
rtlwifi 63199 3 rtl_usb,rtl8192c_common,rtl8192cu
btusb 29996 0
arc4 12536 4
bluetooth 403971 2 btusb
brcmsmac 532199 0
cordic 12352 1 brcmsmac
brcmutil 13093 1 brcmsmac
uvcvideo 83143 0
b43 414640 0
videobuf2_vmalloc 12816 1 uvcvideo
videobuf2_memops 12519 1 videobuf2_vmalloc
videobuf2_core 39635 1 uvcvideo
mac80211 608652 5 b43,brcmsmac,rtl_usb,rtlwifi,rtl8192cu
v4l2_common 12995 1 videobuf2_core
videodev 135040 3 uvcvideo,v4l2_common,videobuf2_core
media 18365 2 uvcvideo,videodev
cfg80211 453926 4 b43,brcmsmac,mac80211,rtlwifi
ssb 65506 1 b43
hp_wmi 13238 0
sparse_keymap 12818 1 hp_wmi
rfkill 18867 5 cfg80211,hp_wmi,bluetooth
joydev 17063 0
mousedev 17272 0
rng_core 12808 1 b43
pcmcia 53108 2 b43,ssb
pcmcia_core 18431 1 pcmcia
kvm 426425 0
evdev 21544 11
mac_hid 12633 0
radeon 1546803 3
ttm 81779 1 radeon
serio_raw 12849 0
psmouse 107442 0
pcspkr 12595 0
drm_kms_helper 80985 1 radeon
drm 263481 6 ttm,drm_kms_helper,radeon
k10temp 12588 0
hwmon 12930 2 k10temp,radeon
snd_hda_codec_idt 56780 1
snd_hda_codec_generic 63087 1 snd_hda_codec_idt
snd_hda_codec_hdmi 49263 1
i2c_algo_bit 12744 1 radeon
bcma 46116 3 b43,brcmsmac
wmi 17339 1 hp_wmi
snd_hda_intel 26387 5
snd_hda_controller 26938 1 snd_hda_intel
snd_hda_codec 112621 5 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep 17244 1 snd_hda_codec
snd_pcm 88785 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller
r8169 80917 0
snd_timer 26614 1 snd_pcm
snd 73436 18 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
i2c_piix4 20857 0
hp_accel 25246 0
rtsx_pci_ms 16898 0
lis3lv02d 17883 1 hp_accel
i2c_core 50152 7 drm,i2c_piix4,drm_kms_helper,i2c_algo_bit,v4l2_common,radeon,videodev
memstick 13696 1 rtsx_pci_ms
input_polldev 13118 1 lis3lv02d
mii 12675 1 r8169
soundcore 13031 2 snd,snd_hda_codec
shpchp 35210 0
ac 12715 0
thermal 17559 0
battery 17452 0
video 18043 0
button 12953 0
acpi_cpufreq 17218 0
processor 27777 5 acpi_cpufreq
sch_fq_codel 17343 10
ext4 510292 1
crc16 12343 2 ext4,bluetooth
mbcache 17171 1 ext4
jbd2 86379 1 ext4
sr_mod 21903 0
cdrom 47479 1 sr_mod
sd_mod 43575 2
ata_generic 12490 0
pata_acpi 12771 0
rtsx_pci_sdmmc 21261 0
atkbd 22254 0
libps2 12739 2 atkbd,psmouse
xhci_pci 12675 0
pata_atiixp 12747 0
ohci_pci 12808 0
ohci_hcd 43006 1 ohci_pci
ehci_pci 12512 0
xhci_hcd 152471 1 xhci_pci
ehci_hcd 69939 1 ehci_pci
ahci 33248 1
libahci 27215 1 ahci
sdhci_pci 22137 0
sdhci 39051 1 sdhci_pci
led_class 12855 4 b43,sdhci,brcmsmac,hp_accel
libata 181518 5 ahci,pata_acpi,libahci,ata_generic,pata_atiixp
mmc_core 110515 5 b43,ssb,sdhci,rtsx_pci_sdmmc,sdhci_pci
usbcore 199382 10 btusb,uvcvideo,rtl_usb,ohci_hcd,ohci_pci,ehci_hcd,ehci_pci,rtl8192cu,xhci_hcd,xhci_pci
scsi_mod 147580 3 libata,sd_mod,sr_mod
rtsx_pci 41951 2 rtsx_pci_ms,rtsx_pci_sdmmc
usb_common 12561 1 usbcore
i8042 18002 2 hp_accel,libps2
serio 18282 7 serio_raw,atkbd,i8042,hp_accel,psmouse
I really have no idea what's going on. I've switched network managers from netctl to NetworkManager and that didn't fix anything.
I'll connect and I'll get a lot of data really fast; great connection. But after five, maybe 10 minutes the connection will decay immediately, slowing down until I lose connection entirely, but I'm not kicked off the network.
I've had this problem before with this broadcom card, that's why I got the Realtek usb dongle, but it hasn't seemed to help.
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from https://github.com/pvaret/rtl8192cu-fixes,
Troubleshooting
There is a known issue with power management on some hardware. If your WiFi connection drops after a few minutes, install the following module setting file to disable power management in your WiFi interface:
sudo cp ./rtl8192cu-fixes/8192cu-disable-power-management.conf /etc/modprobe.d/
And then reboot.
hope this helps.
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This seems to have worked. You don't know how much stress you have saved me, thank you!
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