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From: Mohammed Shafi <shafi.wireless@gmail.com>
To: Clemens Buchacher <drizzd@aon.at>
Cc: linux-wireless@vger.kernel.org, beta992@gmail.com
Subject: Re: ath9k: irq storm after suspend/resume
Date: Mon, 29 Aug 2011 20:42:33 +0530	[thread overview]
Message-ID: <CAD2nsn1roVNB5+H1CYHVnerLN3pjGB5KmEX1mJZ4yJhHqFGOVA@mail.gmail.com> (raw)
In-Reply-To: <CAD2nsn1+5QWtzeG-3RHEJi8+oDthAfXYunHnDTLie84oJPOQuw@mail.gmail.com>

>>> But still, the interrupts come. Note that according to
>>> /proc/interrupts, the IRQ line is not shared with any other device.
>>> I did not manage to determine which interrupt it is exactly,
>>> because the device is not in a ready state (SC_OP_INVALID is set)
>>> when they happen (in either scenario that triggers the IRQ storm).
>>> And SC_OP_INVALID is cleared only much later in ath9k_start.
>>>
>>> So, I am at a loss. Any ideas?
>>
>> please provide the lspci -vvvxx.
>> also looking at
>> /sys/kernel/debug/ieee80211/phy0/ath9k$ sudo cat interrupt.
>
> hi, i think this will help, please get the message sudo modprobe ath9k
> debug=0xffffffff.
> few fatal PCI interrupt messages are based on ATH_DEBUG_ANY.
> thanks.
>
we can also try to disable MIB interrupts though its handled properly
now in ath9k

http://www.kernel.org/pub/linux/kernel/people/mcgrof/patches/ath9k/2008-09-25/0001-ath9k-disable-MIB-interrupts-to-fix-interrupt-storm.patch


-- 
shafi

  reply	other threads:[~2011-08-29 15:12 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 [this message]
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
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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