From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin LaHaise Date: Fri, 14 Oct 2011 15:52:55 -0400 Subject: [ath9k-devel] disable_ani workaround -- was Re: persistent 5% packet loss with ath9k In-Reply-To: <20111014152940.GP10838@kvack.org> References: <20111014152940.GP10838@kvack.org> Message-ID: <20111014195255.GU10838@kvack.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On Fri, Oct 14, 2011 at 11:29:40AM -0400, Benjamin LaHaise wrote: ... > 2.6.40.6-0.fc15.x86_64 at least, haven't tested any other kernels). Note > that I'm living in a rural area, and there is nothing else using the 2.4GHz > spectrum around here, so 116ms ping times are quite unexpected and seem to > point to a problem with ath9k. ... Caleb Hearon pointed me at the "Network stalls every 30 seconds" thread from back in June which contains the suggestion of doing: echo >/sys/kernel/debug/ieee80211/phy0/ath9k/disable_ani 1 This fixes the immediate packet loss problem for me. There still seem to be some issues with the first few packets of a large ping getting lost (during ARP it would seem), and DHCP takes a long time to complete when ath9k is initially brought up. Is anyone working on a fix for the ANI problem? -ben