From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Schurger Date: Sun, 21 Sep 2008 11:33:41 -0400 Subject: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others) In-Reply-To: References: <43e72e890809191813n95579f5h83e92b0ba1f95a44@mail.gmail.com> <43e72e890809201357y1413a151r85aad7cc16440cf4@mail.gmail.com> <1221944338.3023.8.camel@johannes.berg> <43e72e890809201403w2c4511fdv2fe26bbcf49ccdd7@mail.gmail.com> <43e72e890809201426x61c94bfej2dcda1c178be81b@mail.gmail.com> Message-ID: <1222011221.18606.26.camel@blackpage> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Le samedi 20 septembre 2008 ? 18:48 -0700, Steven Noonan a ?crit : > On Sat, Sep 20, 2008 at 2:48 PM, Steven Noonan wrote: > > On Sat, Sep 20, 2008 at 2:26 PM, Luis R. Rodriguez > > wrote: > >> On Sat, Sep 20, 2008 at 2:22 PM, Steven Noonan wrote: > >> > >>> Heh. I don't have an Xbox 360 or PS3 (sad, I know). Do have several > >>> 2.4GHz phones. ;) > >> > >> Microwaves are the best to make the signal wet poop BTW, if you have > >> that option available. Not sure if we can trigger the device that way > >> but I'm just brainstorming here. > >> > > > > Well, I've got the thing set to ATH_DBG_ANY (I want this damn bug > > found!), which will certainly be *interesting*. In 5 minutes, the log > > has jumped 9 megabytes. > > > > I've also got sadc monitoring IRQs so I know for certain when the > > interrupt storm starts. > > > > I'll let you know how this goes. > > OK, here's the time index at which it b0rked: > > 18:28:38 sum 1106.00 > 18:28:39 sum 1037.62 > 18:28:40 sum 1069.00 > 18:28:41 sum 1167.00 > 18:28:42 sum 1155.00 > 18:28:43 sum 1339.00 > 18:28:44 sum 18355.00 > 18:28:45 sum 17845.45 > 18:28:46 sum 15285.00 > 18:28:47 sum 17511.00 > 18:28:48 sum 17568.69 > 18:28:49 sum 17704.04 > 18:28:50 sum 18566.67 > 18:28:51 sum 18913.13 > > And the entire log of the minute 18:28 is here: > http://www.uplinklabs.net/~tycho/linux/18.28.00-59.log.gz > > It looks pretty crazy. Hi, i read your irq storm story with attention, as i it occurs to me sometimes too, unfortunately, in this case, i cannot rescue from the storm :) (i have an AR5418) I did'nt found in which case the storm appear. I don't know if that change something ut i "use" Tickless System, i have only one proc. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.ath9k.org/pipermail/ath9k-devel/attachments/20080921/8cd28998/attachment.htm