From: "Steven Noonan" <steven@uplinklabs.net>
To: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"Senthilkumar Balasubramanian"
<Senthilkumar.Balasubramanian@atheros.com>,
"ath9k-devel@lists.ath9k.org" <ath9k-devel@venema.h4ckr.net>,
"Luis Rodriguez" <Luis.Rodriguez@atheros.com>,
"Ingo Molnar" <mingo@elte.hu>
Subject: Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others)
Date: Sat, 20 Sep 2008 14:18:48 -0700 [thread overview]
Message-ID: <f488382f0809201418j66a813a0m4c0a5843f0dfc87a@mail.gmail.com> (raw)
In-Reply-To: <43e72e890809201357y1413a151r85aad7cc16440cf4@mail.gmail.com>
On Sat, Sep 20, 2008 at 1:57 PM, Luis R. Rodriguez
<lrodriguez@atheros.com> wrote:
> So here's what we need to do -- try to zero on in what causes this IRQ
> storm.
How is the best way to approach this? I assume ATH_DBG_INTERRUPT and
pray like hell my /var partition doesn't fill up first? Maybe I'll
just symlink /var/log/messages to a file on a substantially larger
pattition...
> Most likely its some strange event that triggers it, perhaps
> some sort of noise which makes the device try to adapt and hits a path
> we are not handling correctly yet. Can you provide the initial log of
> when ath9k gets loaded? This tells us what card it is, like AR5416 or
> AR9280, etc.
[10238.347956] ath9k: 0.1
[10238.348028] vendor=8086 device=27d2
[10238.348033] ath9k 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[10238.348050] ath9k 0000:03:00.0: setting latency timer to 64
[10238.480781] phy1: Selected rate control algorithm 'ath9k_rate_control'
[10238.483320] phy1: Atheros 5416: mem=0xffffc20000060000, irq=17
It claims to be a 5416, but I was under the impression that it was the
5418 that came with the MacBook Pro.
next prev parent reply other threads:[~2008-09-20 21:19 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-18 18:23 Steven Noonan
2008-09-18 18:34 ` [ath9k-devel] " Luis R. Rodriguez
2008-09-18 18:42 ` Luis R. Rodriguez
2008-09-18 19:00 ` Steven Noonan
2008-09-18 19:23 ` Steven Noonan
2008-09-18 20:18 ` Justin Mattock
2008-09-18 20:25 ` Steven Noonan
2008-09-18 20:44 ` Luis R. Rodriguez
2008-09-18 21:31 ` Justin Mattock
2008-09-18 21:49 ` Steven Noonan
2008-09-18 22:01 ` Luis R. Rodriguez
2008-09-18 22:08 ` Luis R. Rodriguez
2008-09-18 23:04 ` Steven Noonan
2008-09-18 23:10 ` Luis R. Rodriguez
2008-09-18 23:16 ` Johannes Berg
2008-09-19 2:52 ` Steven Noonan
2008-09-19 3:01 ` Luis R. Rodriguez
2008-09-19 7:29 ` Steven Noonan
2008-09-19 8:17 ` Ingo Molnar
2008-09-19 8:22 ` Steven Noonan
2008-09-19 8:32 ` Ingo Molnar
2008-09-27 1:23 ` Steven Rostedt
2008-09-27 19:20 ` Ingo Molnar
2008-09-27 19:28 ` Steven Rostedt
2008-09-19 8:45 ` Steven Noonan
2008-09-19 8:51 ` Ingo Molnar
2008-09-19 8:22 ` Steven Noonan
2008-09-19 14:28 ` Senthil Balasubramanian
2008-09-19 16:42 ` Steven Noonan
2008-09-19 17:58 ` Senthil Balasubramanian
2008-09-19 18:23 ` Luis R. Rodriguez
2008-09-19 23:31 ` Steven Noonan
2008-09-19 23:53 ` Luis R. Rodriguez
2008-09-20 0:01 ` Steven Noonan
2008-09-20 1:13 ` Luis R. Rodriguez
2008-09-20 1:15 ` Luis R. Rodriguez
2008-09-20 3:29 ` Steven Noonan
2008-09-20 3:40 ` Steven Noonan
2008-09-20 20:56 ` Luis R. Rodriguez
2008-09-20 15:21 ` Steven Noonan
2008-09-20 20:57 ` Luis R. Rodriguez
2008-09-20 20:58 ` Johannes Berg
2008-09-20 21:03 ` Luis R. Rodriguez
2008-09-20 21:22 ` Steven Noonan
2008-09-20 21:26 ` Luis R. Rodriguez
2008-09-20 21:48 ` Steven Noonan
2008-09-21 1:48 ` Steven Noonan
2008-09-22 6:54 ` Luis R. Rodriguez
2008-09-22 7:14 ` Luis R. Rodriguez
2008-09-22 7:26 ` Steven Noonan
2008-09-22 8:06 ` Luis R. Rodriguez
2008-09-22 15:11 ` Steven Noonan
2008-09-22 16:01 ` Luis R. Rodriguez
2008-09-23 7:22 ` Steven Noonan
2008-09-23 7:55 ` Steven Noonan
2008-09-23 16:20 ` Steven Noonan
2008-09-23 19:22 ` Luis R. Rodriguez
2008-09-20 21:18 ` Steven Noonan [this message]
2008-09-20 21:24 ` Luis R. Rodriguez
2008-09-18 23:08 ` Steven Noonan
2008-09-18 23:12 ` Luis R. Rodriguez
[not found] <fa.jQQm4Iwb0lkAWxV+5FAfTMHY4m4@ifi.uio.no>
[not found] ` <fa.zGA6t2p+jJeMRIaZFOqy1I8En1c@ifi.uio.no>
[not found] ` <fa.AGi3s2gpyC3T3KuCJ8cYQ30teak@ifi.uio.no>
[not found] ` <fa.59AlSLNBuMx/BjQSvR6whwGydbU@ifi.uio.no>
[not found] ` <fa.NwYDTAB59VZjr1quzgR4OU0+8eQ@ifi.uio.no>
[not found] ` <fa.tRre/FoeQKwChGwdusnYJgwjRmw@ifi.uio.no>
2008-09-19 14:46 ` Robert Hancock
2008-09-19 16:27 ` Steven Noonan
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