I believe I'm experiencing the same issue. When it occurs, if I try
pinging a remote machine I get the following message:
ping: sendmsg: No buffer space available
Hardware info:
01:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless
LAN Controller (rev 01)
Subsystem: AzureWave Device 2047
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at fea00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: brcmsmac
Kernel modules: bcma, brcmsmac
This issue was not present in the 11.04 kernels, even when used with the
compat wireless releases of brcmsmac.
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https://bugs.launchpad.net/bugs/856314
Title:
very slow internet connection with brcmsmac driver
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