On Thu, Feb 02, 2012 at 04:58:23PM +0530, Mohammed Shafi wrote: > On Thu, Feb 2, 2012 at 9:55 AM, Seth Forshee <seth.forshee@xxxxxxxxxxxxx> wrote: > > I recently updated a machine with AR9285 wireless from kernel version > > 3.0 to 3.2 and saw that wireless had become slow and unreliable. It > > seems that the problem is extremely frequent CTS timeouts, which began > > happening with commit adb5066 (ath9k_hw: do not apply the 2.4 ghz ack > > timeout workaround to cts). Restoring the CTS timeout to the value prior > > to this commit on top of 3.2 gets performance back to what it was with > > 3.0. > > does the environment is a noisy one (or) clear one It's relatively clear, there isn't much activity at all on the channel besides this card and the AP. And like I said, other cards aren't having this problem. Using wireshark I can also see that RTS frames are being sent repeatedly even though the AP responds with CTS frames. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html