Running speedtest.net at home gives me 10MB / 1MB, which is the speed of
my Internet connection. Transfers within the network are still slow,
though.
I made a test application in Python that transfers big files over a
socket connection. It reads the data like this:
block = self.socket.recv(1024*1024*10)
and then prints the received block size. With a wired connection I get
relatively large numbers but when using wireless I get the value 1448
over 99% of the time and some other values such as 4344 and 2896 every
now and again. If I add a sleep after every block the number gets bigger
but transfer speed remains the same.
When running the transfer test, top shows that a process called
irq/17-b43 is taking over 10% CPU time.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1069766
Title:
14e4:4331 Slow transfer speeds with BCM 4331
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