From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Date: Mon, 23 Apr 2012 06:46:57 -0700 Subject: [ath9k-devel] Card AR928X very slow with new kernels In-Reply-To: References: <20120422005427.GA7640@nil> <20120423013957.5007.qmail@stuge.se> <20120423031606.12658.qmail@stuge.se> Message-ID: <4F955D51.2020301@candelatech.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On 04/22/2012 11:58 PM, Mitch Davis wrote: > On Mon, Apr 23, 2012 at 1:07 PM, Ben Greear wrote: >> >> If you have a kernel that works, and one that doesn't, you can try to >> bisect and figure out what commit caused it to go bad. >> >> I must have deleted your first email..but can you be more specific >> about what kernel(s) work for you and which ones fail? > > That was Pierre, who started this thread. > > For me, I have two AR9287 cards in two almost identical laptops. For > one of them (wife's), the wireless has never worked well. The other > (mine) has been pretty good. Recently I swapped the wireless cards. > Mine started giving all sorts of trouble, but the wife's was no > better. When I upgraded from kernel 3.3.1 to 3.3.2, mine got a whole > lot better, whereas the wife's didn't. I suspect there are two problems, > one of which got fixed in 3.3.2. > >> Try looking at the xmit, interrupt, and recv ath9k debugfs files. > > Thanks I will. > > In the case the card becomes unassociated, is there a way of finding > out the reason why? dmesg output (and/or /var/log/messages) may give clues, as should the wpa_supplicant logs. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com