in Geeky

Ubuntu 11.10 – WIFI slow after wake from sleep

Simple solution:
sudo rmmod wl
sudo modprobe wl


Details:
I get heavy packet loss to my router (50-60%). To confirm try:
$ mtr `route |grep default | awk '{print $2}'`

My WiFi card:
$ lspci -vv |grep Network -A10
06:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
Subsystem: Broadcom Corporation Device 0510
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 17
Region 0: Memory at d9100000 (64-bit, non-prefetchable) [size=16K]
Capabilities:
Kernel driver in use: wl
Kernel modules: wl, bcma, brcmsmac

My kernel:
$ uname -a
Linux calypso 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 20:45:39 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Written By:

Add a Comment