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From: Clemens Buchacher <drizzd@aon.at>
To: Mohammed Shafi <shafi.wireless@gmail.com>
Cc: Adrian Chadd <adrian@freebsd.org>, linux-wireless@vger.kernel.org
Subject: Re: ath9k: irq storm after suspend/resume
Date: Sat, 15 Oct 2011 11:39:02 +0200	[thread overview]
Message-ID: <20111015093902.GA23520@ecki> (raw)
In-Reply-To: <CAD2nsn1S7r2o0bqnNgzuHBd9XWYdA7uZgtmtFDTePk0SwybuCQ@mail.gmail.com>

Hi Mohammed,

On Wed, Oct 12, 2011 at 06:40:06PM +0530, Mohammed Shafi wrote:
> 
> please try this in case it helps anything
> to debug the issue.

With this, the previous instaces of 0xdeadbeaf are replaced with
zeroes, and I do not get any non-zero traces for SYNC_CAUSE or
ASYNC_CAUSE any more.

>  this should avoid dead beef and the interrupt when we access MAC
> registers when the MAC is asleep. also i did not see MAC irq being not
> triggerred in your case(AR_INTR_ASYNC_CAUSE should be 0x2) or may be
> its not an interrupt triggered by the chip itself. thanks

If it's not triggered by ath9k, I do wonder why it works if I
suspend in connected mode, and why reloading the driver usually
fixes the issue. Maybe there is something in the driver unloading
code that we could look at?

Clemens

  reply	other threads:[~2011-10-15  9:38 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-27 11:32 ath9k: irq storm after suspend/resume Clemens Buchacher
2011-08-29  7:55 ` Mohammed Shafi
2011-08-29 11:53   ` Mohammed Shafi
2011-08-29 15:12     ` Mohammed Shafi
2011-08-30  6:41       ` Clemens Buchacher
2011-08-30  9:33         ` Mohammed Shafi
2011-08-30  9:41           ` Mohammed Shafi
2011-09-01  6:24           ` Clemens Buchacher
2011-09-26  9:24             ` Mohammed Shafi
2011-09-27 21:42               ` Clemens Buchacher
2011-09-29  8:18                 ` Mohammed Shafi
2011-09-29 10:33                   ` Adrian Chadd
2011-09-29 17:11                     ` Clemens Buchacher
     [not found]                     ` <CAD2nsn0Z2J4r4tN_fLjx5bbvz2bg6NVcQ8vppJbbNcgOF8pFew@mail.gmail.com>
     [not found]                       ` <CAJ-VmokcM4KmzV7Rn9PA68iEiTJiPw=ffYgNFLDAHShxD0HNAg@mail.gmail.com>
2011-10-03  8:48                         ` Clemens Buchacher
2011-10-04  7:58                           ` Adrian Chadd
2011-10-04 18:15                             ` Clemens Buchacher
2011-10-04 21:11                               ` Adrian Chadd
2011-10-05  6:28                                 ` Clemens Buchacher
2011-10-05 13:02                                   ` Adrian Chadd
2011-10-12 13:10                                     ` Mohammed Shafi
2011-10-15  9:39                                       ` Clemens Buchacher [this message]
2011-10-15 10:01                                         ` Adrian Chadd
2011-10-18  6:44                                           ` Clemens Buchacher
2011-10-18  7:05                                             ` Adrian Chadd
2011-10-21 10:22                                               ` Clemens Buchacher
2011-10-21 14:10                                                 ` Adrian Chadd
2011-10-21 14:10                                                   ` [ath9k-devel] " Adrian Chadd
2011-10-21 19:03                                                   ` Clemens Buchacher
2011-10-21 19:03                                                     ` [ath9k-devel] " Clemens Buchacher
2011-10-21 20:20                                                   ` Clemens Buchacher
2011-10-21 20:20                                                     ` [ath9k-devel] " Clemens Buchacher
2011-10-22  0:47                                                     ` Adrian Chadd
2011-10-22  0:47                                                       ` [ath9k-devel] " Adrian Chadd
2011-10-22  7:22                                                       ` Clemens Buchacher
2011-10-22  7:22                                                         ` [ath9k-devel] " Clemens Buchacher
2011-10-22  7:29                                                         ` Adrian Chadd
2011-10-22  7:29                                                           ` [ath9k-devel] " Adrian Chadd
2011-10-04 18:36                             ` Clemens Buchacher

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